GLC - TE 1000BASE - T SFP transceiver module for Category 5 copper wire Cisco GLC-TE is a 1000BASE-T SFP transceiver module for Category 5 copper wire. Part Number GLC-TE Cabling Type 1000Base-T Data Link Protocol GigE Interfaces 1 x Ethernet 1000Base-T - RJ-45 Compliant Standards IEEE 802.3 GLC-TE Specification Device Type SFP (mini-GBIC) transceiver module Form Factor Plug-in module Connectivity Technology Wired Cabling Type 1000Base-T Data Link Protocol GigE Data Transfer Rate 1 Gbps Features Full duplex capability, hot swap module replacement Compliant Standards IEEE 802.3 Interfaces 1 x Ethernet 1000Base-T - RJ-45 Operating Temperature 23 F - 185 F