To remove the optical module, first unplug the fiber jumper, then flip open the pull-tab on the module and pull it out horizontally. Removing an SFP module from a network switch may appear simple, but improper handling can damage the transceiver, the switch port, or even the fiber interface. Whether you are performing routine maintenance, replacing a failed optical transceiver, upgrading link speeds, or troubleshooting a. Disconnect the cable from the transceiver module. Once connected, verify that the port activity indicator is on and run diagnostic commands to check the module status.