The Cisco GLC-LH-SMD is a 1000BASE-LX/LH SFP (Small Form-Factor Pluggable) transceiver module. It’s designed for single-mode fiber optic cabling, supporting long-haul Gigabit Ethernet connections. It operates at a wavelength of 1310nm, allowing for distances up to 10 kilometers. This module is used in Cisco network devices to provide reliable, long-distance fiber connectivity.
