What is the Cisco GLC-SX-MMD-TP?
The Cisco GLC-SX-MMD-TP is a network/telecom equipment component, listed by the manufacturer as "850NM 550M MMF DOM". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

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Part Overview
Manufactured by Cisco, the GLC-SX-MMD-TP (850NM 550M MMF DOM) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus and refurbished Cisco equipment like this as part of a lower-carbon alternative to new procurement.
Common Questions
The Cisco GLC-SX-MMD-TP is a network/telecom equipment component, listed by the manufacturer as "850NM 550M MMF DOM". 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-SX-MMD-TP, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue