What is the Cisco 10920578?
The Cisco 10920578 is a SFP optical transceiver module, listed by the manufacturer as "SFP GB ETHNT LG REACH". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
The Cisco 10920578 is a SFP optical transceiver module — originally specified as "SFP GB ETHNT LG REACH" — available refurbished or as surplus stock via Circular Telecom, supporting network operators sourcing decommissioned and reclaimed equipment.
Common Questions
The Cisco 10920578 is a SFP optical transceiver module, listed by the manufacturer as "SFP GB ETHNT LG REACH". 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 10920578, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue