Cisco 1100 Series Installing And Upgrading

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Contents

Installing and Upgrading Internal Modules andFRUs• Installing and Upgrading Internal Modules and FRUs, page 1Installing and Upgrading Internal Modules and FRUsThis document describes how to install and upgrade internal modules and field replaceable units (FRUs) inthe Cisco 1100 Series Integrated Services Routers (ISRs). The install and upgrade information is containedin these sections:Safety WarningsClass 1 laser product. Statement 1008WarningOnly trained and qualified personnel should be allowed to install, replace, or service this equipment.Statement 1030WarningAccessing Internal ModulesTo access the internal modules on the router, you must first disconnect from the power source and then removethe chassis cover. See the Replacing the Cover section for instructions on how to remove and later replacethe chassis cover on the routers.Before opening the unit, disconnect the telephone-network cables to avoid contact with telephone-networkvoltages. Statement 1041WarningHardware Installation Guide for the Cisco 1100 Series Integrated Services Router1