The GLC-LH-SMD is a Cisco 1000BASE-LX/LH SFP (Small Form-Factor Pluggable) transceiver module. It’s designed for Gigabit Ethernet connections over single-mode fiber (SMF) or multimode fiber (MMF). This transceiver supports distances up to 10 kilometers on SMF and 550 meters on MMF. It’s commonly used in data centers and enterprise networks for reliable Gigabit Ethernet connectivity. Essentially, the GLC-LH-SMD provides a versatile optical link for Gigabit Ethernet applications.
