SEC Info  
    Home      Search      My Interests      Help      Sign In      Please Sign In

Calix, Inc – ‘10-Q’ for 9/30/17 – ‘EX-101.CAL’

On:  Wednesday, 11/8/17, at 5:24pm ET   ·   For:  9/30/17   ·   Accession #:  1406666-17-121   ·   File #:  1-34674

Previous ‘10-Q’:  ‘10-Q’ on 8/10/17 for 7/1/17   ·   Next:  ‘10-Q’ on 5/10/18 for 3/31/18   ·   Latest:  ‘10-Q’ on 4/23/24 for 3/30/24   ·   4 References:   

Find Words in Filings emoji
 
  in    Show  and   Hints

  As Of               Filer                 Filing    For·On·As Docs:Size

11/08/17  Calix, Inc                        10-Q        9/30/17   64:5.7M

Quarterly Report   —   Form 10-Q   —   Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML    625K 
 2: EX-10.1     Material Contract                                   HTML    328K 
 3: EX-10.2     Material Contract                                   HTML     55K 
 4: EX-10.3     Material Contract                                   HTML     56K 
 5: EX-10.5     Material Contract                                   HTML     19K 
 6: EX-31.1     Certification -- §302 - SOA'02                      HTML     26K 
 7: EX-31.2     Certification -- §302 - SOA'02                      HTML     26K 
 8: EX-32.1     Certification -- §906 - SOA'02                      HTML     23K 
15: R1          Document and Entity Information                     HTML     37K 
16: R2          Condensed Consolidated Balance Sheets               HTML    105K 
17: R3          Condensed Consolidated Balance Sheets               HTML     39K 
                (Parenthetical)                                                  
18: R4          Condensed Consolidated Statements of Comprehensive  HTML    104K 
                Income (Loss) (Unaudited)                                        
19: R5          Condensed Consolidated Statements of Comprehensive  HTML     29K 
                Loss (Unaudited) (Parenthetical)                                 
20: R6          Condensed Consolidated Statements of Cash Flows     HTML    105K 
                (Unaudited)                                                      
21: R7          Company and Basis of Presentation                   HTML     29K 
22: R8          Significant Accounting Policies                     HTML     45K 
23: R9          Cash, Cash Equivalents and Marketable Securities    HTML     74K 
24: R10         Fair Value Measurements                             HTML     53K 
25: R11         Goodwill                                            HTML     23K 
26: R12         Balance Sheet Details                               HTML     85K 
27: R13         Commitments and Contingencies                       HTML     67K 
28: R14         Net Income (Loss) Per Common Share                  HTML     55K 
29: R15         Stockholders' Equity                                HTML     50K 
30: R16         Accumulated Other Comprehensive Loss                HTML     62K 
31: R17         Credit Facility                                     HTML     27K 
32: R18         Income Taxes                                        HTML     34K 
33: R19         Restructuring Charges                               HTML     32K 
34: R20         Significant Accounting Policies (Policies)          HTML     39K 
35: R21         Cash, Cash Equivalents and Marketable Securities    HTML     73K 
                (Tables)                                                         
36: R22         Fair Value Measurements (Tables)                    HTML     48K 
37: R23         Balance Sheet Details (Tables)                      HTML     95K 
38: R24         Commitments and Contingencies (Tables)              HTML     52K 
39: R25         Net Income (Loss) Per Common Share (Tables)         HTML     54K 
40: R26         Accumulated Other Comprehensive Loss (Tables)       HTML     61K 
41: R27         Income Taxes (Tables)                               HTML     32K 
42: R28         Restructuring Charges (Tables)                      HTML     30K 
43: R29         Significant Accounting Policies (Details)           HTML     25K 
44: R30         Cash, Cash Equivalents and Marketable Securities    HTML     41K 
                (Details)                                                        
45: R31         Cash, Cash Equivalents and Marketable Securities -  HTML     38K 
                Amortized Cost and Fair Value (Details)                          
46: R32         Fair Value Measurements (Details)                   HTML     54K 
47: R33         Goodwill (Details)                                  HTML     20K 
48: R34         Balance Sheet Details - Accounts Receivable         HTML     28K 
                (Details)                                                        
49: R35         Balance Sheet Details - Inventory (Details)         HTML     26K 
50: R36         Balance Sheet Details - Property and Equipment,     HTML     36K 
                net (Details)                                                    
51: R37         Balance Sheet Details - Accrued Liabilities         HTML     41K 
                (Details)                                                        
52: R38         Balance Sheet Details - Deferred Revenue (Details)  HTML     38K 
53: R39         Commitments and Contingencies - Textual (Details)   HTML     29K 
54: R40         Commitments and Contingencies - Operating Leases    HTML     46K 
                (Details)                                                        
55: R41         Commitments and Contingencies - Product Warranty    HTML     29K 
                Activities (Details)                                             
56: R42         Net Income (Loss) Per Common Share (Details)        HTML     42K 
57: R43         Stockholders' Equity (Details)                      HTML    117K 
58: R44         Accumulated Other Comprehensive Loss (Details)      HTML     35K 
59: R45         Credit Facility (Details)                           HTML     47K 
60: R46         Income Taxes (Details)                              HTML     24K 
61: R47         Restructuring Charges (Details)                     HTML     34K 
63: XML         IDEA XML File -- Filing Summary                      XML    105K 
62: EXCEL       IDEA Workbook of Financial Reports                  XLSX     63K 
 9: EX-101.INS  XBRL Instance -- calx-20170930                       XML   1.42M 
11: EX-101.CAL  XBRL Calculations -- calx-20170930_cal               XML    191K 
12: EX-101.DEF  XBRL Definitions -- calx-20170930_def                XML    316K 
13: EX-101.LAB  XBRL Labels -- calx-20170930_lab                     XML   1.06M 
14: EX-101.PRE  XBRL Presentations -- calx-20170930_pre              XML    584K 
10: EX-101.SCH  XBRL Schema -- calx-20170930                         XSD     96K 
64: ZIP         XBRL Zipped Folder -- 0001406666-17-000121-xbrl      Zip    145K 


‘EX-101.CAL’   —   XBRL Calculations — calx-20170930_cal


This Exhibit is an XBRL XML File.


                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<!-- XBRL Document Created with Wdesk from Workiva -->
<!-- -->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<link:roleRef roleURI="http://www.calix.com/role/AccumulatedOtherComprehensiveLoss" xlink:href="calx-20170930.xsd#AccumulatedOtherComprehensiveLoss" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/AccumulatedOtherComprehensiveLossDetails" xlink:href="calx-20170930.xsd#AccumulatedOtherComprehensiveLossDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/AccumulatedOtherComprehensiveLossTables" xlink:href="calx-20170930.xsd#AccumulatedOtherComprehensiveLossTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/BalanceSheetDetails" xlink:href="calx-20170930.xsd#BalanceSheetDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/BalanceSheetDetailsAccountsReceivableDetails" xlink:href="calx-20170930.xsd#BalanceSheetDetailsAccountsReceivableDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/BalanceSheetDetailsAccruedLiabilitiesDetails" xlink:href="calx-20170930.xsd#BalanceSheetDetailsAccruedLiabilitiesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/BalanceSheetDetailsDeferredRevenueDetails" xlink:href="calx-20170930.xsd#BalanceSheetDetailsDeferredRevenueDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/BalanceSheetDetailsInventoryDetails" xlink:href="calx-20170930.xsd#BalanceSheetDetailsInventoryDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/BalanceSheetDetailsPropertyAndEquipmentNetDetails" xlink:href="calx-20170930.xsd#BalanceSheetDetailsPropertyAndEquipmentNetDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/BalanceSheetDetailsTables" xlink:href="calx-20170930.xsd#BalanceSheetDetailsTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/CashCashEquivalentsAndMarketableSecurities" xlink:href="calx-20170930.xsd#CashCashEquivalentsAndMarketableSecurities" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/CashCashEquivalentsAndMarketableSecuritiesAmortizedCostAndFairValueDetails" xlink:href="calx-20170930.xsd#CashCashEquivalentsAndMarketableSecuritiesAmortizedCostAndFairValueDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/CashCashEquivalentsAndMarketableSecuritiesDetails" xlink:href="calx-20170930.xsd#CashCashEquivalentsAndMarketableSecuritiesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/CashCashEquivalentsAndMarketableSecuritiesTables" xlink:href="calx-20170930.xsd#CashCashEquivalentsAndMarketableSecuritiesTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/CommitmentsAndContingencies" xlink:href="calx-20170930.xsd#CommitmentsAndContingencies" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/CommitmentsAndContingenciesOperatingLeasesDetails" xlink:href="calx-20170930.xsd#CommitmentsAndContingenciesOperatingLeasesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/CommitmentsAndContingenciesProductWarrantyActivitiesDetails" xlink:href="calx-20170930.xsd#CommitmentsAndContingenciesProductWarrantyActivitiesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/CommitmentsAndContingenciesTables" xlink:href="calx-20170930.xsd#CommitmentsAndContingenciesTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/CommitmentsAndContingenciesTextualDetails" xlink:href="calx-20170930.xsd#CommitmentsAndContingenciesTextualDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/CompanyAndBasisOfPresentation" xlink:href="calx-20170930.xsd#CompanyAndBasisOfPresentation" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/CondensedConsolidatedBalanceSheets" xlink:href="calx-20170930.xsd#CondensedConsolidatedBalanceSheets" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/CondensedConsolidatedBalanceSheetsParenthetical" xlink:href="calx-20170930.xsd#CondensedConsolidatedBalanceSheetsParenthetical" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:href="calx-20170930.xsd#CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLossUnaudited" xlink:href="calx-20170930.xsd#CondensedConsolidatedStatementsOfComprehensiveIncomeLossUnaudited" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/CondensedConsolidatedStatementsOfComprehensiveLossUnauditedParenthetical" xlink:href="calx-20170930.xsd#CondensedConsolidatedStatementsOfComprehensiveLossUnauditedParenthetical" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/CreditFacility" xlink:href="calx-20170930.xsd#CreditFacility" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/CreditFacilityDetails" xlink:href="calx-20170930.xsd#CreditFacilityDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/DocumentAndEntityInformation" xlink:href="calx-20170930.xsd#DocumentAndEntityInformation" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/FairValueMeasurements" xlink:href="calx-20170930.xsd#FairValueMeasurements" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/FairValueMeasurementsDetails" xlink:href="calx-20170930.xsd#FairValueMeasurementsDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/FairValueMeasurementsTables" xlink:href="calx-20170930.xsd#FairValueMeasurementsTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/Goodwill" xlink:href="calx-20170930.xsd#Goodwill" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/GoodwillDetails" xlink:href="calx-20170930.xsd#GoodwillDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/IncomeTaxes" xlink:href="calx-20170930.xsd#IncomeTaxes" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/IncomeTaxesDetails" xlink:href="calx-20170930.xsd#IncomeTaxesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/IncomeTaxesTables" xlink:href="calx-20170930.xsd#IncomeTaxesTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/NetIncomeLossPerCommonShare" xlink:href="calx-20170930.xsd#NetIncomeLossPerCommonShare" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/NetIncomeLossPerCommonShareDetails" xlink:href="calx-20170930.xsd#NetIncomeLossPerCommonShareDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/NetIncomeLossPerCommonShareTables" xlink:href="calx-20170930.xsd#NetIncomeLossPerCommonShareTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/RestructuringCharges" xlink:href="calx-20170930.xsd#RestructuringCharges" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/RestructuringChargesDetails" xlink:href="calx-20170930.xsd#RestructuringChargesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/RestructuringChargesTables" xlink:href="calx-20170930.xsd#RestructuringChargesTables" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/SignificantAccountingPolicies" xlink:href="calx-20170930.xsd#SignificantAccountingPolicies" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/SignificantAccountingPoliciesDetails" xlink:href="calx-20170930.xsd#SignificantAccountingPoliciesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/SignificantAccountingPoliciesPolicies" xlink:href="calx-20170930.xsd#SignificantAccountingPoliciesPolicies" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/StockholdersEquity" xlink:href="calx-20170930.xsd#StockholdersEquity" xlink:type="simple"/>
<link:roleRef roleURI="http://www.calix.com/role/StockholdersEquityDetails" xlink:href="calx-20170930.xsd#StockholdersEquityDetails" xlink:type="simple"/>
<link:calculationLink xlink:role="http://www.calix.com/role/AccumulatedOtherComprehensiveLoss" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/AccumulatedOtherComprehensiveLossDetails" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/AccumulatedOtherComprehensiveLossTables" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/BalanceSheetDetails" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/BalanceSheetDetailsAccountsReceivableDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_dd7775cd-f4ab-5607-9b31-1ee98f605818" xlink:type="locator"/>
<link:loc xlink:href="calx-20170930.xsd#calx_ProductReturnReserve" xlink:label="loc_calx_ProductReturnReserve_ebed3fba-33cd-274a-6a97-c98b1bdf5981" xlink:type="locator"/>
<link:calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_dd7775cd-f4ab-5607-9b31-1ee98f605818" xlink:to="loc_calx_ProductReturnReserve_ebed3fba-33cd-274a-6a97-c98b1bdf5981" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_98ae2a02-ad2a-749c-0963-d2d6767543d9" xlink:type="locator"/>
<link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_dd7775cd-f4ab-5607-9b31-1ee98f605818" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_98ae2a02-ad2a-749c-0963-d2d6767543d9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsReceivableGrossCurrent" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent_6ec0b2e4-97da-0489-cfea-58f8b5967f1b" xlink:type="locator"/>
<link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_dd7775cd-f4ab-5607-9b31-1ee98f605818" xlink:to="loc_us-gaap_AccountsReceivableGrossCurrent_6ec0b2e4-97da-0489-cfea-58f8b5967f1b" xlink:type="arc"/>
</link:calculationLink>
<link:calculationLink xlink:role="http://www.calix.com/role/BalanceSheetDetailsAccruedLiabilitiesDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_3fe8f96b-142b-97b1-3b39-b8d22cd10e98" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_cf9ed09f-3dd1-4a4b-d3fc-3b0db18c1b40" xlink:type="locator"/>
<link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_3fe8f96b-142b-97b1-3b39-b8d22cd10e98" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_cf9ed09f-3dd1-4a4b-d3fc-3b0db18c1b40" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductWarrantyAccrualClassifiedCurrent" xlink:label="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_cf568899-4af8-240a-e6cf-960ccd2e6477" xlink:type="locator"/>
<link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_3fe8f96b-142b-97b1-3b39-b8d22cd10e98" xlink:to="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_cf568899-4af8-240a-e6cf-960ccd2e6477" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CustomerAdvancesCurrent" xlink:label="loc_us-gaap_CustomerAdvancesCurrent_1fbb0da1-6bda-501e-761c-84f00ce2f689" xlink:type="locator"/>
<link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_3fe8f96b-142b-97b1-3b39-b8d22cd10e98" xlink:to="loc_us-gaap_CustomerAdvancesCurrent_1fbb0da1-6bda-501e-761c-84f00ce2f689" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccruedProfessionalFeesCurrent" xlink:label="loc_us-gaap_AccruedProfessionalFeesCurrent_98d31a39-575d-6ddd-42a2-18a0e94f1b32" xlink:type="locator"/>
<link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_3fe8f96b-142b-97b1-3b39-b8d22cd10e98" xlink:to="loc_us-gaap_AccruedProfessionalFeesCurrent_98d31a39-575d-6ddd-42a2-18a0e94f1b32" xlink:type="arc"/>
<link:loc xlink:href="calx-20170930.xsd#calx_AccruedExcessAndObsoleteInventoryAtContractManufacturer" xlink:label="loc_calx_AccruedExcessAndObsoleteInventoryAtContractManufacturer_308c92f5-55e5-c842-14ca-c98b1bd503c1" xlink:type="locator"/>
<link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_3fe8f96b-142b-97b1-3b39-b8d22cd10e98" xlink:to="loc_calx_AccruedExcessAndObsoleteInventoryAtContractManufacturer_308c92f5-55e5-c842-14ca-c98b1bd503c1" xlink:type="arc"/>
<link:loc xlink:href="calx-20170930.xsd#calx_AccruedCustomerRebates" xlink:label="loc_calx_AccruedCustomerRebates_0f32b73c-0e29-f06e-7c90-c98b1bd7d6d2" xlink:type="locator"/>
<link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_3fe8f96b-142b-97b1-3b39-b8d22cd10e98" xlink:to="loc_calx_AccruedCustomerRebates_0f32b73c-0e29-f06e-7c90-c98b1bd7d6d2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestructuringReserveCurrent" xlink:label="loc_us-gaap_RestructuringReserveCurrent_43c6e378-ecf6-909b-c479-f69075aa8f69" xlink:type="locator"/>
<link:calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_3fe8f96b-142b-97b1-3b39-b8d22cd10e98" xlink:to="loc_us-gaap_RestructuringReserveCurrent_43c6e378-ecf6-909b-c479-f69075aa8f69" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_00b000cf-7f1d-4891-7244-daf9f6335db0" xlink:type="locator"/>
<link:calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_3fe8f96b-142b-97b1-3b39-b8d22cd10e98" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_00b000cf-7f1d-4891-7244-daf9f6335db0" xlink:type="arc"/>
</link:calculationLink>
<link:calculationLink xlink:role="http://www.calix.com/role/BalanceSheetDetailsDeferredRevenueDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredRevenue" xlink:label="loc_us-gaap_DeferredRevenue_9a892e27-e80d-dc6f-5258-af2522cd72c3" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredRevenueNoncurrent" xlink:label="loc_us-gaap_DeferredRevenueNoncurrent_11e98ceb-5737-f44d-6a16-2d8b64b1228d" xlink:type="locator"/>
<link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredRevenue_9a892e27-e80d-dc6f-5258-af2522cd72c3" xlink:to="loc_us-gaap_DeferredRevenueNoncurrent_11e98ceb-5737-f44d-6a16-2d8b64b1228d" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredRevenueCurrent" xlink:label="loc_us-gaap_DeferredRevenueCurrent_98f473f8-2d19-99d7-6142-37f86ccd14ec" xlink:type="locator"/>
<link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredRevenue_9a892e27-e80d-dc6f-5258-af2522cd72c3" xlink:to="loc_us-gaap_DeferredRevenueCurrent_98f473f8-2d19-99d7-6142-37f86ccd14ec" xlink:type="arc"/>
</link:calculationLink>
<link:calculationLink xlink:role="http://www.calix.com/role/BalanceSheetDetailsInventoryDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_7eab44cf-1ea1-ca2a-420f-21f7b5343fc3" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryFinishedGoodsNetOfReserves" xlink:label="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_b077ba6e-d590-fd28-6cc4-ab52e924ed70" xlink:type="locator"/>
<link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_7eab44cf-1ea1-ca2a-420f-21f7b5343fc3" xlink:to="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_b077ba6e-d590-fd28-6cc4-ab52e924ed70" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryRawMaterialsNetOfReserves" xlink:label="loc_us-gaap_InventoryRawMaterialsNetOfReserves_d8866e11-7330-6a9a-9ba0-56d88707d8ec" xlink:type="locator"/>
<link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_7eab44cf-1ea1-ca2a-420f-21f7b5343fc3" xlink:to="loc_us-gaap_InventoryRawMaterialsNetOfReserves_d8866e11-7330-6a9a-9ba0-56d88707d8ec" xlink:type="arc"/>
</link:calculationLink>
<link:calculationLink xlink:role="http://www.calix.com/role/BalanceSheetDetailsPropertyAndEquipmentNetDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_1944a381-5c4e-ce3c-9111-13ccd1c639db" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_5551841b-83e0-4644-fca8-d4027d932c0a" xlink:type="locator"/>
<link:calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_1944a381-5c4e-ce3c-9111-13ccd1c639db" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_5551841b-83e0-4644-fca8-d4027d932c0a" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_fe5a8e8b-5934-3dc5-9dae-7d40983185cf" xlink:type="locator"/>
<link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_1944a381-5c4e-ce3c-9111-13ccd1c639db" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_fe5a8e8b-5934-3dc5-9dae-7d40983185cf" xlink:type="arc"/>
</link:calculationLink>
<link:calculationLink xlink:role="http://www.calix.com/role/BalanceSheetDetailsTables" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/CashCashEquivalentsAndMarketableSecurities" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/CashCashEquivalentsAndMarketableSecuritiesAmortizedCostAndFairValueDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAmortizedCost" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesAmortizedCost_30dc6014-97a8-c9af-5d13-c233c1983f7f" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_1932fd43-f07d-5e04-493b-eca2ebb13c97" xlink:type="locator"/>
<link:calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesAmortizedCost_30dc6014-97a8-c9af-5d13-c233c1983f7f" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_1932fd43-f07d-5e04-493b-eca2ebb13c97" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_e96beffd-8ab7-62f8-402b-cfa1adccd68f" xlink:type="locator"/>
<link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesAmortizedCost_30dc6014-97a8-c9af-5d13-c233c1983f7f" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_e96beffd-8ab7-62f8-402b-cfa1adccd68f" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecurities_d444402b-921b-e0fa-119c-908ab66850af" xlink:type="locator"/>
<link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesAmortizedCost_30dc6014-97a8-c9af-5d13-c233c1983f7f" xlink:to="loc_us-gaap_AvailableForSaleSecurities_d444402b-921b-e0fa-119c-908ab66850af" xlink:type="arc"/>
</link:calculationLink>
<link:calculationLink xlink:role="http://www.calix.com/role/CashCashEquivalentsAndMarketableSecuritiesDetails" xlink:type="extended">
<link:loc xlink:href="calx-20170930.xsd#calx_CashCashEquivalentsAndMarketableSecurities" xlink:label="loc_calx_CashCashEquivalentsAndMarketableSecurities_a91ed6be-4369-e691-cd50-c98b1bdb015a" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecurities_d444402b-921b-e0fa-119c-908ab66850af" xlink:type="locator"/>
<link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_calx_CashCashEquivalentsAndMarketableSecurities_a91ed6be-4369-e691-cd50-c98b1bdb015a" xlink:to="loc_us-gaap_AvailableForSaleSecurities_d444402b-921b-e0fa-119c-908ab66850af" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_07da1db4-2708-4446-4250-1fdd5956185e" xlink:type="locator"/>
<link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_calx_CashCashEquivalentsAndMarketableSecurities_a91ed6be-4369-e691-cd50-c98b1bdb015a" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_07da1db4-2708-4446-4250-1fdd5956185e" xlink:type="arc"/>
</link:calculationLink>
<link:calculationLink xlink:role="http://www.calix.com/role/CashCashEquivalentsAndMarketableSecuritiesTables" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/CommitmentsAndContingencies" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/CommitmentsAndContingenciesOperatingLeasesDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_e7ae0c4b-54d0-1d15-1541-1fb5329d750c" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear_2a03e078-acdc-ce26-bc2c-c1c04ab9fd4f" xlink:type="locator"/>
<link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_e7ae0c4b-54d0-1d15-1541-1fb5329d750c" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear_2a03e078-acdc-ce26-bc2c-c1c04ab9fd4f" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_5046b63b-148e-eb12-dd52-2a1e8f1e69c0" xlink:type="locator"/>
<link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_e7ae0c4b-54d0-1d15-1541-1fb5329d750c" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_5046b63b-148e-eb12-dd52-2a1e8f1e69c0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_483c5d20-89a2-da39-b56f-2ea722d97042" xlink:type="locator"/>
<link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_e7ae0c4b-54d0-1d15-1541-1fb5329d750c" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_483c5d20-89a2-da39-b56f-2ea722d97042" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_b5a3356e-f555-ddd5-297a-b04afe0bfd5c" xlink:type="locator"/>
<link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_e7ae0c4b-54d0-1d15-1541-1fb5329d750c" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_b5a3356e-f555-ddd5-297a-b04afe0bfd5c" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_6818de09-a032-5221-5ee6-896e1c2d0634" xlink:type="locator"/>
<link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_e7ae0c4b-54d0-1d15-1541-1fb5329d750c" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_6818de09-a032-5221-5ee6-896e1c2d0634" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_fb0efb32-4bb1-57d0-236e-d8af81dc125f" xlink:type="locator"/>
<link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_e7ae0c4b-54d0-1d15-1541-1fb5329d750c" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_fb0efb32-4bb1-57d0-236e-d8af81dc125f" xlink:type="arc"/>
</link:calculationLink>
<link:calculationLink xlink:role="http://www.calix.com/role/CommitmentsAndContingenciesProductWarrantyActivitiesDetails" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/CommitmentsAndContingenciesTables" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/CommitmentsAndContingenciesTextualDetails" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/CompanyAndBasisOfPresentation" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/CondensedConsolidatedBalanceSheets" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:type="locator"/>
<link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_07da1db4-2708-4446-4250-1fdd5956185e" xlink:type="locator"/>
<link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_07da1db4-2708-4446-4250-1fdd5956185e" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_dd7775cd-f4ab-5607-9b31-1ee98f605818" xlink:type="locator"/>
<link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_dd7775cd-f4ab-5607-9b31-1ee98f605818" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_7eab44cf-1ea1-ca2a-420f-21f7b5343fc3" xlink:type="locator"/>
<link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_us-gaap_InventoryNet_7eab44cf-1ea1-ca2a-420f-21f7b5343fc3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredCostsCurrent" xlink:label="loc_us-gaap_DeferredCostsCurrent_4644067b-36cf-9f81-b592-f76e00fdae5c" xlink:type="locator"/>
<link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_us-gaap_DeferredCostsCurrent_4644067b-36cf-9f81-b592-f76e00fdae5c" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_2294e6a2-7bab-43ed-d02c-bdf73b8fa561" xlink:type="locator"/>
<link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_2294e6a2-7bab-43ed-d02c-bdf73b8fa561" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MarketableSecuritiesCurrent" xlink:label="loc_us-gaap_MarketableSecuritiesCurrent_77be6853-2f03-c976-4472-a91565f93300" xlink:type="locator"/>
<link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_8a47066b-3628-88d1-49db-ed09aecc7fc7" xlink:to="loc_us-gaap_MarketableSecuritiesCurrent_77be6853-2f03-c976-4472-a91565f93300" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_1944a381-5c4e-ce3c-9111-13ccd1c639db" xlink:type="locator"/>
<link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_1944a381-5c4e-ce3c-9111-13ccd1c639db" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_93a64cae-271a-5e6b-8c83-5adf9f941142" xlink:type="locator"/>
<link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_Goodwill_93a64cae-271a-5e6b-8c83-5adf9f941142" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_9b27fab9-d497-627b-4cfb-6b585220b978" xlink:type="locator"/>
<link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_c6057b1d-6685-8249-2051-6c57f3a16a9e" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_9b27fab9-d497-627b-4cfb-6b585220b978" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_159dcb00-b17e-17db-7098-be4159799459" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:type="locator"/>
<link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_159dcb00-b17e-17db-7098-be4159799459" xlink:to="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:type="locator"/>
<link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:to="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_7a72b51a-735c-1ad4-bd3f-d9bcf2d6a26d" xlink:type="locator"/>
<link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:to="loc_us-gaap_AccountsPayableCurrent_7a72b51a-735c-1ad4-bd3f-d9bcf2d6a26d" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_3fe8f96b-142b-97b1-3b39-b8d22cd10e98" xlink:type="locator"/>
<link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_3fe8f96b-142b-97b1-3b39-b8d22cd10e98" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredRevenueCurrent" xlink:label="loc_us-gaap_DeferredRevenueCurrent_98f473f8-2d19-99d7-6142-37f86ccd14ec" xlink:type="locator"/>
<link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:to="loc_us-gaap_DeferredRevenueCurrent_98f473f8-2d19-99d7-6142-37f86ccd14ec" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LinesOfCreditCurrent" xlink:label="loc_us-gaap_LinesOfCreditCurrent_d29327e6-acfb-7ace-2225-529ae21c4595" xlink:type="locator"/>
<link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_f5e246cf-e80f-d00b-c8ed-4796aa2df4b4" xlink:to="loc_us-gaap_LinesOfCreditCurrent_d29327e6-acfb-7ace-2225-529ae21c4595" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredRevenueNoncurrent" xlink:label="loc_us-gaap_DeferredRevenueNoncurrent_11e98ceb-5737-f44d-6a16-2d8b64b1228d" xlink:type="locator"/>
<link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:to="loc_us-gaap_DeferredRevenueNoncurrent_11e98ceb-5737-f44d-6a16-2d8b64b1228d" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_f234998c-5e05-09d0-d53e-5c44423c97c0" xlink:type="locator"/>
<link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_d8bb821f-d155-9d4e-1738-736b4bf4cb19" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_f234998c-5e05-09d0-d53e-5c44423c97c0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:type="locator"/>
<link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_159dcb00-b17e-17db-7098-be4159799459" xlink:to="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue_4fb6195d-d905-dac7-e5a0-79f324993f79" xlink:type="locator"/>
<link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:to="loc_us-gaap_PreferredStockValue_4fb6195d-d905-dac7-e5a0-79f324993f79" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_c3f7606a-e7e9-61d5-b60b-b4b059f68b26" xlink:type="locator"/>
<link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:to="loc_us-gaap_CommonStockValue_c3f7606a-e7e9-61d5-b60b-b4b059f68b26" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_41895068-9590-2880-73df-521995865843" xlink:type="locator"/>
<link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_41895068-9590-2880-73df-521995865843" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_04f0961a-a0bc-88cf-6658-3f950da4a458" xlink:type="locator"/>
<link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_04f0961a-a0bc-88cf-6658-3f950da4a458" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_065cb284-7fca-cc9b-5752-2feaf74d0011" xlink:type="locator"/>
<link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_065cb284-7fca-cc9b-5752-2feaf74d0011" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaap_TreasuryStockValue_40678492-c421-af67-b276-f663f9ff2f98" xlink:type="locator"/>
<link:calculationArc order="6" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4b158f76-5f04-5e4d-ead3-d80e1f9943db" xlink:to="loc_us-gaap_TreasuryStockValue_40678492-c421-af67-b276-f663f9ff2f98" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_058e01e4-b9a1-623e-29f5-1b5c79bf095a" xlink:type="locator"/>
<link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_159dcb00-b17e-17db-7098-be4159799459" xlink:to="loc_us-gaap_CommitmentsAndContingencies_058e01e4-b9a1-623e-29f5-1b5c79bf095a" xlink:type="arc"/>
</link:calculationLink>
<link:calculationLink xlink:role="http://www.calix.com/role/CondensedConsolidatedBalanceSheetsParenthetical" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_dd2e9db6-10f9-d78a-ba84-b18268245a83" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_8629a772-7004-5d77-9980-0f501e29c5c8" xlink:type="locator"/>
<link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_dd2e9db6-10f9-d78a-ba84-b18268245a83" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_8629a772-7004-5d77-9980-0f501e29c5c8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:type="locator"/>
<link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_dd2e9db6-10f9-d78a-ba84-b18268245a83" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_d04df344-47da-0222-79d0-99b7d739fd60" xlink:type="locator"/>
<link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_d04df344-47da-0222-79d0-99b7d739fd60" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_8a1490c4-32d9-5132-1fe2-2675a45abdae" xlink:type="locator"/>
<link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_8a1490c4-32d9-5132-1fe2-2675a45abdae" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_6d67f644-e190-e5ce-9449-e00a27ad7771" xlink:type="locator"/>
<link:calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_6d67f644-e190-e5ce-9449-e00a27ad7771" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_d59a921e-6301-0411-46e6-49b6a981f8a0" xlink:type="locator"/>
<link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_d59a921e-6301-0411-46e6-49b6a981f8a0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_bce346aa-ba15-aeef-61ad-e8ce13a3f0b4" xlink:type="locator"/>
<link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_bce346aa-ba15-aeef-61ad-e8ce13a3f0b4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="loc_us-gaap_RepaymentsOfLinesOfCredit_0e65f67a-86e3-c84f-fab4-e2c0fc4b175d" xlink:type="locator"/>
<link:calculationArc order="6" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_RepaymentsOfLinesOfCredit_0e65f67a-86e3-c84f-fab4-e2c0fc4b175d" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_f19a6911-0ca9-0f7f-0ae8-f18c6d766244" xlink:type="locator"/>
<link:calculationArc order="7" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_deb49b68-c030-7624-a39d-ea301caa5dbf" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_f19a6911-0ca9-0f7f-0ae8-f18c6d766244" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:type="locator"/>
<link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_dd2e9db6-10f9-d78a-ba84-b18268245a83" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_fee12b15-6b42-6245-2e2f-ff030b98332c" xlink:type="locator"/>
<link:calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_fee12b15-6b42-6245-2e2f-ff030b98332c" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities" xlink:label="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_b49c7a2f-2986-824d-e7cb-bc082ac0e888" xlink:type="locator"/>
<link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_b49c7a2f-2986-824d-e7cb-bc082ac0e888" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireMarketableSecurities" xlink:label="loc_us-gaap_PaymentsToAcquireMarketableSecurities_5151f7e0-f557-cbe6-275f-5bec3a3b329f" xlink:type="locator"/>
<link:calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_us-gaap_PaymentsToAcquireMarketableSecurities_5151f7e0-f557-cbe6-275f-5bec3a3b329f" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities" xlink:label="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities_d3d89aab-5be8-f6a4-66e9-41f55e0839cd" xlink:type="locator"/>
<link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_70319186-e7bd-7189-88d2-eba26fb93350" xlink:to="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities_d3d89aab-5be8-f6a4-66e9-41f55e0839cd" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:type="locator"/>
<link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_dd2e9db6-10f9-d78a-ba84-b18268245a83" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_adacf05e-7e15-bd60-3e53-87432885dc29" xlink:type="locator"/>
<link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_ProfitLoss_adacf05e-7e15-bd60-3e53-87432885dc29" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_b4463f01-8926-c348-9c78-89e2ab0ed145" xlink:type="locator"/>
<link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_Depreciation_b4463f01-8926-c348-9c78-89e2ab0ed145" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets_95be95e4-0ed3-e1e8-0c63-33a490947570" xlink:type="locator"/>
<link:calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets_95be95e4-0ed3-e1e8-0c63-33a490947570" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_ae796c5c-1c01-d654-6a3c-3b5dd2c89517" xlink:type="locator"/>
<link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_ae796c5c-1c01-d654-6a3c-3b5dd2c89517" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" xlink:label="loc_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_ee12cc29-63c9-040c-19f2-17921f90c9bb" xlink:type="locator"/>
<link:calculationArc order="5" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_ee12cc29-63c9-040c-19f2-17921f90c9bb" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_e3eecf87-b290-4567-8a59-5b0a8e27c85b" xlink:type="locator"/>
<link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_ShareBasedCompensation_e3eecf87-b290-4567-8a59-5b0a8e27c85b" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_dd4bfa5e-1979-c817-e8a9-371104c0d4f7" xlink:type="locator"/>
<link:calculationArc order="7" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_dd4bfa5e-1979-c817-e8a9-371104c0d4f7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_bf3f9720-ba63-7ecd-52ae-e754a6f349db" xlink:type="locator"/>
<link:calculationArc order="8" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_bf3f9720-ba63-7ecd-52ae-e754a6f349db" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredCharges" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredCharges_df42b422-74b8-5f19-6fc7-0cf65a21f80f" xlink:type="locator"/>
<link:calculationArc order="9" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredCharges_df42b422-74b8-5f19-6fc7-0cf65a21f80f" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_c998cbd2-a633-c2ec-1932-e3bfedecbc9f" xlink:type="locator"/>
<link:calculationArc order="10" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_c998cbd2-a633-c2ec-1932-e3bfedecbc9f" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_a8b6fe35-4809-bddf-7ef6-3144a6c89165" xlink:type="locator"/>
<link:calculationArc order="11" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_a8b6fe35-4809-bddf-7ef6-3144a6c89165" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_74be5b6b-5c06-c74c-89da-2d9660b81d9b" xlink:type="locator"/>
<link:calculationArc order="12" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_74be5b6b-5c06-c74c-89da-2d9660b81d9b" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredRevenue" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_91397648-589d-3b53-47c8-16b8909c78f4" xlink:type="locator"/>
<link:calculationArc order="13" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_91397648-589d-3b53-47c8-16b8909c78f4" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_5ffad1f9-ed26-c38a-cad9-7d2f16245ec2" xlink:type="locator"/>
<link:calculationArc order="14" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_444b1ac7-f47a-4ce3-0caa-537f7e4ab8c3" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_5ffad1f9-ed26-c38a-cad9-7d2f16245ec2" xlink:type="arc"/>
</link:calculationLink>
<link:calculationLink xlink:role="http://www.calix.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeLossUnaudited" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_dd69e307-3cf6-284a-5315-8fa7ac464283" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_adacf05e-7e15-bd60-3e53-87432885dc29" xlink:type="locator"/>
<link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_dd69e307-3cf6-284a-5315-8fa7ac464283" xlink:to="loc_us-gaap_ProfitLoss_adacf05e-7e15-bd60-3e53-87432885dc29" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_0eb47183-f513-314d-ceda-ee2412d9eee8" xlink:type="locator"/>
<link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_adacf05e-7e15-bd60-3e53-87432885dc29" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_0eb47183-f513-314d-ceda-ee2412d9eee8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_9894e895-7695-402a-9f03-08d60b7373b8" xlink:type="locator"/>
<link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_0eb47183-f513-314d-ceda-ee2412d9eee8" xlink:to="loc_us-gaap_OperatingIncomeLoss_9894e895-7695-402a-9f03-08d60b7373b8" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_aaae347c-fa91-e2c3-dd05-1b008b13fd0c" xlink:type="locator"/>
<link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_9894e895-7695-402a-9f03-08d60b7373b8" xlink:to="loc_us-gaap_GrossProfit_aaae347c-fa91-e2c3-dd05-1b008b13fd0c" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_33f76b65-31cf-be04-0849-25af345446d5" xlink:type="locator"/>
<link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_aaae347c-fa91-e2c3-dd05-1b008b13fd0c" xlink:to="loc_us-gaap_Revenues_33f76b65-31cf-be04-0849-25af345446d5" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SalesRevenueGoodsNet" xlink:label="loc_us-gaap_SalesRevenueGoodsNet_318cebec-2b05-42bf-a988-02b2e99cecfb" xlink:type="locator"/>
<link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_33f76b65-31cf-be04-0849-25af345446d5" xlink:to="loc_us-gaap_SalesRevenueGoodsNet_318cebec-2b05-42bf-a988-02b2e99cecfb" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SalesRevenueServicesNet" xlink:label="loc_us-gaap_SalesRevenueServicesNet_ad6c862c-c374-70de-502e-5f168b553492" xlink:type="locator"/>
<link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_33f76b65-31cf-be04-0849-25af345446d5" xlink:to="loc_us-gaap_SalesRevenueServicesNet_ad6c862c-c374-70de-502e-5f168b553492" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostOfRevenue" xlink:label="loc_us-gaap_CostOfRevenue_a2b142e3-b3f3-b7b6-6428-5812971ab980" xlink:type="locator"/>
<link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_aaae347c-fa91-e2c3-dd05-1b008b13fd0c" xlink:to="loc_us-gaap_CostOfRevenue_a2b142e3-b3f3-b7b6-6428-5812971ab980" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostOfGoodsSold" xlink:label="loc_us-gaap_CostOfGoodsSold_23c68b7c-81fb-cba2-1814-b7ab4991d5d0" xlink:type="locator"/>
<link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostOfRevenue_a2b142e3-b3f3-b7b6-6428-5812971ab980" xlink:to="loc_us-gaap_CostOfGoodsSold_23c68b7c-81fb-cba2-1814-b7ab4991d5d0" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostOfServices" xlink:label="loc_us-gaap_CostOfServices_578bfc43-608e-bdc8-e57a-2803c355c0d9" xlink:type="locator"/>
<link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostOfRevenue_a2b142e3-b3f3-b7b6-6428-5812971ab980" xlink:to="loc_us-gaap_CostOfServices_578bfc43-608e-bdc8-e57a-2803c355c0d9" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_us-gaap_OperatingExpenses_23a4428c-a5e3-3b9c-fc88-04ae5be27ab3" xlink:type="locator"/>
<link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_9894e895-7695-402a-9f03-08d60b7373b8" xlink:to="loc_us-gaap_OperatingExpenses_23a4428c-a5e3-3b9c-fc88-04ae5be27ab3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_25ae5ce2-b413-b975-9a84-c7503d2496cf" xlink:type="locator"/>
<link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_23a4428c-a5e3-3b9c-fc88-04ae5be27ab3" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_25ae5ce2-b413-b975-9a84-c7503d2496cf" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SellingAndMarketingExpense" xlink:label="loc_us-gaap_SellingAndMarketingExpense_460c4e45-6b19-c446-6991-97e38cf5aa17" xlink:type="locator"/>
<link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_23a4428c-a5e3-3b9c-fc88-04ae5be27ab3" xlink:to="loc_us-gaap_SellingAndMarketingExpense_460c4e45-6b19-c446-6991-97e38cf5aa17" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_87411e46-c979-a1ff-e8b3-f4f75d86b855" xlink:type="locator"/>
<link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_23a4428c-a5e3-3b9c-fc88-04ae5be27ab3" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_87411e46-c979-a1ff-e8b3-f4f75d86b855" xlink:type="arc"/>
<link:loc xlink:href="calx-20170930.xsd#calx_OperatingExpensesAmortization" xlink:label="loc_calx_OperatingExpensesAmortization_d9655b2f-80c1-0c6b-309c-c98b1bde3855" xlink:type="locator"/>
<link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_23a4428c-a5e3-3b9c-fc88-04ae5be27ab3" xlink:to="loc_calx_OperatingExpensesAmortization_d9655b2f-80c1-0c6b-309c-c98b1bde3855" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="loc_us-gaap_RestructuringCharges_78594f6e-0c1a-d6f6-6a22-c95b7bf56846" xlink:type="locator"/>
<link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_23a4428c-a5e3-3b9c-fc88-04ae5be27ab3" xlink:to="loc_us-gaap_RestructuringCharges_78594f6e-0c1a-d6f6-6a22-c95b7bf56846" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GainLossRelatedToLitigationSettlement" xlink:label="loc_us-gaap_GainLossRelatedToLitigationSettlement_71426e29-337e-291e-f9d3-40031a50cd68" xlink:type="locator"/>
<link:calculationArc order="6" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_23a4428c-a5e3-3b9c-fc88-04ae5be27ab3" xlink:to="loc_us-gaap_GainLossRelatedToLitigationSettlement_71426e29-337e-291e-f9d3-40031a50cd68" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestIncomeExpenseNonoperatingNet" xlink:label="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_b45ea963-e439-fc81-a491-c6c695e6ceb3" xlink:type="locator"/>
<link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_0eb47183-f513-314d-ceda-ee2412d9eee8" xlink:to="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_b45ea963-e439-fc81-a491-c6c695e6ceb3" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_250c3b2f-7db5-7088-68cc-1dd831a2c2d7" xlink:type="locator"/>
<link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_0eb47183-f513-314d-ceda-ee2412d9eee8" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_250c3b2f-7db5-7088-68cc-1dd831a2c2d7" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:type="locator"/>
<link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_adacf05e-7e15-bd60-3e53-87432885dc29" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_78b7d85e-8366-fe6d-cb1f-faac5a041b79" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2a6e77d2-a694-61f8-1c68-085fd849c780" xlink:type="locator"/>
<link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_dd69e307-3cf6-284a-5315-8fa7ac464283" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2a6e77d2-a694-61f8-1c68-085fd849c780" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_351eeed0-a987-88e4-c007-095f3644ffff" xlink:type="locator"/>
<link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2a6e77d2-a694-61f8-1c68-085fd849c780" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_351eeed0-a987-88e4-c007-095f3644ffff" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_548688b8-2d34-462c-5a92-aa79f1c44c1a" xlink:type="locator"/>
<link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2a6e77d2-a694-61f8-1c68-085fd849c780" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_548688b8-2d34-462c-5a92-aa79f1c44c1a" xlink:type="arc"/>
</link:calculationLink>
<link:calculationLink xlink:role="http://www.calix.com/role/CondensedConsolidatedStatementsOfComprehensiveLossUnauditedParenthetical" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/CreditFacility" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/CreditFacilityDetails" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/DocumentAndEntityInformation" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/FairValueMeasurements" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/FairValueMeasurementsDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsFairValueDisclosureRecurring" xlink:label="loc_us-gaap_AssetsFairValueDisclosureRecurring_e6ccb470-0ae1-237d-60e0-bd943b4e2069" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_91fe4b11-d4f7-61c5-b8e1-4b77ba5422d2" xlink:type="locator"/>
<link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosureRecurring_e6ccb470-0ae1-237d-60e0-bd943b4e2069" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_91fe4b11-d4f7-61c5-b8e1-4b77ba5422d2" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecurities_d444402b-921b-e0fa-119c-908ab66850af" xlink:type="locator"/>
<link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosureRecurring_e6ccb470-0ae1-237d-60e0-bd943b4e2069" xlink:to="loc_us-gaap_AvailableForSaleSecurities_d444402b-921b-e0fa-119c-908ab66850af" xlink:type="arc"/>
</link:calculationLink>
<link:calculationLink xlink:role="http://www.calix.com/role/FairValueMeasurementsTables" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/Goodwill" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/GoodwillDetails" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/IncomeTaxes" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/IncomeTaxesDetails" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/IncomeTaxesTables" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/NetIncomeLossPerCommonShare" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/NetIncomeLossPerCommonShareDetails" xlink:type="extended">
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_223fd9c8-68e8-e433-7c40-f98b238e79de" xlink:type="locator"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_86e61cf2-b7b2-e230-65f1-5a2b152f3a30" xlink:type="locator"/>
<link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_223fd9c8-68e8-e433-7c40-f98b238e79de" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_86e61cf2-b7b2-e230-65f1-5a2b152f3a30" xlink:type="arc"/>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_cee10fe8-a4bb-491c-22f6-69a723d6a718" xlink:type="locator"/>
<link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_223fd9c8-68e8-e433-7c40-f98b238e79de" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_cee10fe8-a4bb-491c-22f6-69a723d6a718" xlink:type="arc"/>
</link:calculationLink>
<link:calculationLink xlink:role="http://www.calix.com/role/NetIncomeLossPerCommonShareTables" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/RestructuringCharges" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/RestructuringChargesDetails" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/RestructuringChargesTables" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/SignificantAccountingPolicies" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/SignificantAccountingPoliciesDetails" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/SignificantAccountingPoliciesPolicies" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/StockholdersEquity" xlink:type="extended"/>
<link:calculationLink xlink:role="http://www.calix.com/role/StockholdersEquityDetails" xlink:type="extended"/>
</link:linkbase>


4 Subsequent Filings that Reference this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 2/23/24  Calix, Inc.                       10-K       12/31/23   88:8.1M
 2/21/23  Calix, Inc.                       10-K       12/31/22   88:8.9M
 2/22/22  Calix, Inc.                       10-K       12/31/21   89:9.1M                                   Workiva Inc Wde… FA01/FA
 2/22/21  Calix, Inc.                       10-K       12/31/20   96:9.9M
Top
Filing Submission 0001406666-17-000121   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
AboutPrivacyRedactionsHelp — Tue., Apr. 30, 11:05:31.1pm ET