HLX-GBIC-ZXA 1550nm Single-mode Transceiver 70km Gigabit Interface Converters (GBIC) 3.3V/5V 1.25 Gbps Gigabit Ethernet /1.063 Gbps Fiber Channel HLX-GBIC-ZXB 1550nm Single-mode Transceiver 80km Gigabit Interface Converters (GBIC) 3.3V/5V 1.25 Gbps Gigabit Ethernet /1.063 Gbps Fiber Channel
1000BASE-T Copper Transceiver Gigabit Interface Converters (GBIC), 3.3V/5V 1.25 Gbps Gigabit Ethernet.