What is the Tellabs CM3504-R6?
The Tellabs CM3504-R6 is a cooling fan module, listed by the manufacturer as "FAN2 MODULE, F/ 6335, PKGD". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
Manufactured by Tellabs, the CM3504-R6 (FAN2 MODULE, F/ 6335, PKGD) is a cooling fan module. Circular Telecom sources, tests, and resells surplus and refurbished Tellabs equipment like this as part of a lower-carbon alternative to new procurement.
Common Questions
The Tellabs CM3504-R6 is a cooling fan module, listed by the manufacturer as "FAN2 MODULE, F/ 6335, PKGD". 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 CM3504-R6, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue