What is the Cisco GLC-FE-100ZX?
The Cisco GLC-FE-100ZX is a SFP optical transceiver module, listed by the manufacturer as "100BASE-ZX SFP (80KM)". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
The GLC-FE-100ZX is a SFP optical transceiver module manufactured by Cisco. Listed by the manufacturer as "100BASE-ZX SFP (80KM)", it is available through Circular Telecom's surplus and refurbished network equipment marketplace as a sustainable, tested alternative to buying new.
Common Questions
The Cisco GLC-FE-100ZX is a SFP optical transceiver module, listed by the manufacturer as "100BASE-ZX SFP (80KM)". 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-FE-100ZX, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue