Compatible with Cisco PN# GLC-SX-MMD. This SFP performs identically to Cisco original equipment and is 100% compatible with OEM equipment. .
The SFP is programmed with the exact same data as OEM original connectors.
Small Form-Factor Pluggable (SFP) Gigabit Interface Converter is a hot-swappable input/output device that plugs into a Gigabit Ethernet port or slot, linking the port with the network. SFPs can be used and interchanged on a wide variety of Cisco products and can be intermixed in combinations of 1000BASE-T, 1000BASE-SX, 1000BASE-LX/LH, 1000BASE-EX, 1000BASE-ZX, or 1000BASE-BX10-D/U on a port-by-port basis.