StarTech.com Cisco GLC-T Compatible SFP Module, 1000BASE-T, SFP to RJ45 Cat6/Cat5e, 1GE Gigabit Ethernet SFP, RJ-45 (Copper) 100m, Cisco Firepower, ASR920, IE2000 Mini GBIC Transceiver - Lifetime Warranty (GLCTST) - SFP (mini-GBIC) transceivermodul - 1GbE