What is the Tellabs CM3901-A?
The Tellabs CM3901-A is an equipment module, listed by the manufacturer as "CMCC MODULE". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
The Tellabs CM3901-A is an equipment module — originally specified as "CMCC MODULE" — available refurbished or as surplus stock via Circular Telecom, supporting network operators sourcing decommissioned and reclaimed equipment.
Common Questions
The Tellabs CM3901-A is an equipment module, listed by the manufacturer as "CMCC MODULE". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
Circular Telecom sources and resells surplus and refurbished Tellabs network equipment, including parts such as the CM3901-A, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue