20 CHAPTER 2: I NSTALLING THE SWITCHin Figure 4. Ensure the wire release lever is closed (inthe upright position).Figure 4 Inserting the SFP Transceiver2 Gently slide the transceiver into the SFP slot until itclicks into place.CAUTION: SFP transceivers are keyed and can beproperly inserted only one way. If the transceiver doesnot click when you insert it, remove it, turn it over,and then re-insert it.3 Remove the plastic protective cover, if fitted.4 Connect the fiber cable.5 The transceiver connects to the network using aduplex LC connector. Attach a male duplex LC con-nector on the network cable into the duplex LC con-nector on the transceiver.6 Connect the other end of the cable to a device fittedwith an appropriate Gigabit Ethernet connection.7 Check the Module Active LEDs on the front of theSwitch to ensure that it is operating correctly.Removing an SFP TransceiverRemoving an SFP transceiver does not require power-ing off the Switch.To remove an SFP transceiver:1 Disconnect the cable from the transceiver.2 Move the wire release lever downwards until it ispointing toward you.3 Pull the wire release lever toward you to release thecatch mechanism.The SFP transceiver should slide out easily.Performing Spot ChecksAt frequent intervals, you should visually check theSwitch. Regular checks can give you an early warningof a possible failure; any problems can then beattended to when there will be least effect on users.3Com recommends periodically checking the itemslisted in Table 5.ProductlabelSuitable slotn host SwitchoWire releaselever