Singlemode SFP Transceiver Module (10km) (SFP)- Small Form Factor Pluggable MSA compliant- For Single Mode Applications- Up to 1310nm & 1.25Gb/s- Compliant for IEEE-802.3z Gigabit Ethernet- Easy to install and Hot-pluggable- Connect switches up to 10km away with each other- Single 3.3V power supply- Duplex LC Connector- TTL signal detect indicator- EEPROM with serial ID functionality