What is the Nortel Networks NT4N39AAE5?
The Nortel Networks NT4N39AAE5 is a processor module, listed by the manufacturer as "CALL PROCESSOR, CP-PIV CARD". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
Nortel Networks NT4N39AAE5: a processor module (CALL PROCESSOR, CP-PIV CARD). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend network equipment lifecycles and reduce e-waste.
Common Questions
The Nortel Networks NT4N39AAE5 is a processor module, listed by the manufacturer as "CALL PROCESSOR, CP-PIV CARD". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
Circular Telecom sources and resells surplus and refurbished Nortel Networks network equipment, including parts such as the NT4N39AAE5, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue