Allied Telesis 12 x SFP uplink module, Silver, 1 Gbit/s, Gigabit, Ethernet, Wired, 1000Base-FX, 12 x MT-RJ 1000BaseFX Allied Telesis 12 x SFP uplink module. Product colour: Silver. Transfer rate: 1 Gbit/s, Data link protocols: Gigabit, Ethernet, Connectivity technology: Wired. I/O ports: 12 x MT-RJ 1000BaseFX