Cisco WS-C2950T-24 Hardware Installation Guide - Page 209

Chapter 5 Installing and Upgrading Internal Modules and FRUs Installing SFP Modules Tip Use the show controller command at the Cisco IOS prompt to determine whether you are using an SFP certified by Cisco. Laser Safety Guidelines Optical SFPs use a small laser to generate the fiber-optic signal. Keep the optical transmit and receive ports covered whenever a cable is not connected to the port. Warning Invisible laser radiation may be emitted from disconnected fibers or connectors. Do not stare into beams or view directly with optical instruments. Statement 1051 Warning Ultimate disposal of this product should be handled according to all national laws and regulations. Statement 1040 Follow these steps to install an SFP module in a Cisco 2900 or 3900 series router: Step 1 Step 2 Read the "Safety Warnings" section on page 5-2 section and disconnect the power supply before you perform any module replacement. Slide the SFP into the router connector until it locks into position (see Figure 5-45). Tip If the SFP uses a bale-clasp latch (see Figure 5-45), the handle should be on top of the SFP module. Figure 5-45 Installing an SFP Module 94126 Caution Do not remove the optical port plugs from the SFP until you are ready to connect cabling. Step 3 Connect the network cable to the SFP module. OL-18712-03 Cisco 2900 Series and 3900 Series Hardware Installation Guide 5-57