1-Port Mini-GBIC SFP to 1000BaseLX, 10km - Mini GBIC to 1000BaseLX Single-mode Fiber Transceiver - Distance up to 10km - Suitable for all D-Link switches with Mini GBIC slots Single-mode Fiber Transceiver (10 km) DEM-310GT - 1000BASE-LX port (IEEE 802.3z standard) - Duplex LC connector - Full duplex operation - 802.3x flow control support - Fiber type: 9um single-mode fiber up to 10 km - Wave length: 1310nm - Power support: 3.3V - Power budget: 10.5dB - Hot pluggable - Class 1 laser product complies with EN 60825-1 - TTL signal detect indicator.