What is the Ciena XCVR-020M31?
The Ciena XCVR-020M31 is a SFP optical transceiver module, listed by the manufacturer as "GB ETHNT SFP TRCVR MOD". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
Manufactured by Ciena, the XCVR-020M31 (GB ETHNT SFP TRCVR MOD) is a SFP optical transceiver module. Circular Telecom sources, tests, and resells surplus and refurbished Ciena equipment like this as part of a lower-carbon alternative to new procurement.
Common Questions
The Ciena XCVR-020M31 is a SFP optical transceiver module, listed by the manufacturer as "GB ETHNT SFP TRCVR MOD". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
Circular Telecom sources and resells surplus and refurbished Ciena network equipment, including parts such as the XCVR-020M31, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue