Cisco 3825 Hardware Installation Guide - Page 75

Chapter 2 Installing Cisco Network Modules in Cisco Access Routers Where to Go Next Caution Do not remove the optical port plugs used on the GBIC until you are ready to connect cabling to the network module. Step 5 (For optical GBICs) Remove the plugs from the SC connectors on the GBIC. Timesaver If installing the GBIC in a loose network module, install the network module (see the "Installing Cisco Network Modules in Cisco Access Routers" section on page 2-5) before connecting the network module to the network. To remove a GBIC, perform the following steps: Warning Because invisible laser radiation may be emitted from the aperture of the port when no fiber cable is connected, avoid exposure to laser radiation and do not stare into open apertures. Statement 125 Step 1 Step 2 Step 3 Step 4 Disconnect the GBIC from the network. (For optical GBICs) Insert plugs into the SC connectors on the GBIC to prevent laser emissions. Hold down the clips on the side of the GBIC and remove the GBIC from the network module. Replace the GBIC with a similar model, or continue with network module removal. Tip Gigabit Ethernet network modules can be removed with the GBIC installed. Where to Go Next For an introduction to Cisco network modules, go to Chapter 1, "Overview of Cisco Network Modules for Cisco Access Routers." For regulatory compliance and safety information, see the Cisco Network Modules and Interface Cards Regulatory Compliance and Safety Information document. OL-2485-20 Cisco Network Modules Hardware Installation Guide 2-27