Performing Spot Checks 19Figure 4 Inserting an SFP Transceiver2 Gently slide the transceiver into the SFP slot until itclicks into place.CAUTION: SFP transceivers are keyed and can be properlyinserted only one way. If the transceiver does not clickwhen 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 a duplexLC connector. Attach a male duplex LC connector onthe network cable into the duplex LC connector on thetransceiver.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 poweringoff 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 warning ofa possible failure; any problems can then be attended towhen there will be least effect on users.3Com recommends periodically checking the items listedin Table 6.ProductlabelSuitable slotn host SwitchoModule PresentLink/Activity :Flash = ActWire releaselever