StarTech.com Cisco GLC-T Compatible SFP Module - 1000BASE-T - SFP to RJ45 Cat6/Cat5e - 1GE Gigabit Ethernet SFP - RJ-45 100m - Cisco Firepower, ASR920, IE2000
StarTech.com GLC-T Compatible Gigabit Copper SFP Transceiver Module for Cisco devices with 1GE Gigabit Ethernet connectivity and RJ45 interface, supporting Cat6/Cat5e cabling up to 100m distance.