The GLC-LH-SMD= is a Cisco Gigabit Ethernet long-wavelength small form-factor pluggable (SFP) transceiver. It’s designed for single-mode fiber connections, enabling data transmission over extended distances. This transceiver operates at 1310nm wavelength and supports Gigabit Ethernet speeds. The “= ” at the end indicates a spare, or non-configured part. It’s commonly used in networking equipment to establish long-haul fiber optic links.
