Allied Telesis AT-IFS802SP/POE - Manual (Page 23)

19 AT-IFS802SP/POE(W)-80 User Manual
To remove the LC connector from the transceiver, please follow the steps shown below:
First, press the upper side of the LC connector to release from the transceiver and pull it out.
Second, push down the metal loop and pull the transceiver out by the plastic handle.
Second, insert the fiber cable of LC connector into the transceiver.
LC connector to the transceiver
Pull out from the transceiver
Remove LC connector