1000BASE-SX SFP transceiver module for MMF, 850-nm wavelength, extended operating temperature range and DOM support, dual LC/PC connector 1000BASE-SX SFP for Multimode Fiber Only The 1000BASE-SX SFP, compatible with the IEEE 802.3z 1000BASE-SX standard, operates on legacy 50 µm multimode fiber links up to 550 m and on 62.5 µm Fiber Distributed Data Interface (FDDI)-grade multimode fibers up to 220 m. It can support up to 1km over laser-optimized 50 µm multimode fiber cable. Specifications Part Number · GLC-SX-MMD Device Type · Cisco SFP Package · SFP Data Rate · 1.25/1.0625Gbps Wavelength · 850nm Distance/Power Budget · 550m Optical Components · LD: VCSEL · PD: PIN Output Power · -9~-4dBm Receiver Sensitivity · -17dBm Power Supply Voltage · 3.3V Connector · Dual LC Fiber Type · MMF Operating Temperature · -10~80 °C DDMI · With Application · Gigabit Ethernet Compatiblity · 100% Cisco Compatible