The GLC-SX-MM is an SFP transceiver module designed for 1000BASE-SX Gigabit Ethernet over multi-mode fiber. It supports data rates up to 1Gbps and delivers connectivity up to 550 meters using an 850nm wavelength. Featuring a Duplex LC connector and IEEE 802.3z compliance, it’s ideal for Cisco switches and routers in enterprise LAN environments.