What is the Cisco GLC-LH-SMD?
The Cisco GLC-LH-SMD is a SFP optical transceiver module, listed by the manufacturer as "Module/LX/LH SFP transceiver module". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
The Cisco GLC-LH-SMD is a SFP optical transceiver module — originally specified as "Module/LX/LH SFP transceiver module" — available refurbished or as surplus stock via Circular Telecom, supporting network operators sourcing decommissioned and reclaimed equipment.
Common Questions
The Cisco GLC-LH-SMD is a SFP optical transceiver module, listed by the manufacturer as "Module/LX/LH SFP transceiver module". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
Circular Telecom sources and resells surplus and refurbished Cisco network equipment, including parts such as the GLC-LH-SMD, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue