What is the Tellabs CM3930-A-R6?
The Tellabs CM3930-A-R6 is an equipment module, listed by the manufacturer as "SIM1/4 155M/622M optical module". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
The CM3930-A-R6 is an equipment module manufactured by Tellabs. Listed by the manufacturer as "SIM1/4 155M/622M optical 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 CM3930-A-R6 is an equipment module, listed by the manufacturer as "SIM1/4 155M/622M optical 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 CM3930-A-R6, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue