• Cisco GLC-ZX-SMD is a 1000BASE-ZX SFP transceiver module, operating at 1550nm wavelength for long-reach single-mode fiber applications. • Supports data transfer rates up to 1.25 Gbps, suitable for Gigabit Ethernet connections. • Designed for single-mode fiber (SMF) connections, enabling long-distance network links. • Reaches up to 80km, ideal for connecting geographically separated network segments. • Compatible with Cisco switches and routers supporting SFP modules. • Brand new condition, ensuring optimal performance and reliability. • Used in telecommunications, data centers, and enterprise networks for extended reach connectivity.