Cisco LH SFP is a type of fiber optic transceiver module designed for use in Gigabit Ethernet and Fibre Channel applications. It is a hot-swappable device that plugs into a network port of a switch or router and supports data rates up to 1.25 Gbps. It is compatible with both single-mode and multi-mode fiber cables and is designed to provide reliable and cost-effective connectivity. The Cisco LH SFP is a cost-effective solution for connecting two devices over long distances, and is ideal for use in data centers, enterprise networks, and other high-speed applications.