What is the Tellabs CM1021?
The Tellabs CM1021 is an equipment module, listed by the manufacturer as "M6-1, 768/128 PORT HO/LO MATRIX MODULE". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
The CM1021 is an equipment module manufactured by Tellabs. Listed by the manufacturer as "M6-1, 768/128 PORT HO/LO MATRIX MODULE", it is available through Circular Telecom's surplus and refurbished network equipment marketplace as a sustainable, tested alternative to buying new.
Common Questions
The Tellabs CM1021 is an equipment module, listed by the manufacturer as "M6-1, 768/128 PORT HO/LO MATRIX 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 CM1021, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue