StarTech.com Extreme Networks 10052 Compatible SFP Module – 1000BASE-LX – 1GE SFP 1GbE Single Mode Fiber SMF Optic Transceiver – 10km DDM – Extreme Networks 10052 Compatible SFP – 1000BASE-LX 1Gbps – 1GbE Module – 1GE Gigabit Ethernet SFP 1310nm Single Mode (SMF) Transceiver – 10km (6.2mi) – LC Connector DDM – Hot-Swappable & MSA Compliant – Lifetime Warranty MODULE MM TRANSCEIVER