Allied Telesis 1000LX GBIC, BiDirectional Fiber, 40km. Data transfer rate (max): 1250 Mbit/s. Connectivity technology: Wired. Operating temperature range (T-T): 0 - 70 °C, Storage temperature range (T-T): -40 - 85 °C, Operating relative humidity range: 10 - 90 %. Connector(s): SC, Fiber type: SMF