What is the Ciena NX2540BS?
The Ciena NX2540BS is a network/telecom equipment component, listed by the manufacturer as "ON2500 2.5G ADM". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
The Ciena NX2540BS is a network/telecom equipment component — originally specified as "ON2500 2.5G ADM" — available refurbished or as surplus stock via Circular Telecom, supporting network operators sourcing decommissioned and reclaimed equipment.
Common Questions
The Ciena NX2540BS is a network/telecom equipment component, listed by the manufacturer as "ON2500 2.5G ADM". 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 NX2540BS, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue