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Comtrend offers free documentation and software downloads for the products listed below.

ADSL Modem/RouterADSL2+ RouterCT-5072S
Model No. Network/
Operation System Software User's Manual Quick
Release Note
CT-5072S         UM_CT-5072S_A2.0.pdf   Configuration Guide CT-5072S.pdf    
CT-5072S   Telefonica Brazil_FRENTE         QIG FRENTE.pdf    
CT-5072S   Telefonica Brazil_VERSO         QIG VERSO.pdf    

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Online Registration
Other products are supported through on-line registration. They are only available to direct customers with an online account. If you are a direct customer but do not have an online account login ID or password, you must click here to register. If you do have a login ID and password, please click here to login.