Easy to Use: PLUG and PLAY, Hot-swappable. Rotate the ring latch down at a 90 degree angle to unlock it, then pull the transceiver out of sfp port. SFP MSA Compliant, IEEE 802.3 compliant. Compatible for Cisco P/N: GLC-T/SFP-GE-T1000BASE-T SFP transceiver module for Category 5 copper wire, RJ-45 connector.
eBay