Tripp Lite J4858C Compatible SFP Transceiver 1000Base-SX LC DDM MMF – For Optical Network, Data Networking 1 LC Female Duplex 1000Base-SX Network – Optical Fiber50/125 µm, 62.5/125 µm – Multi-mode – Gigabit Ethernet – 1000Base-SX – Hot-pluggable