What is the Nortel Networks NT4S99AA?
The Nortel Networks NT4S99AA is a network/telecom equipment component, listed by the manufacturer as "DE-4 PWR CONVR". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

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Part Overview
Manufactured by Nortel Networks, the NT4S99AA (DE-4 PWR CONVR) is a network/telecom equipment component. Circular Telecom sources, tests, and resells surplus and refurbished Nortel Networks equipment like this as part of a lower-carbon alternative to new procurement.
Common Questions
The Nortel Networks NT4S99AA is a network/telecom equipment component, listed by the manufacturer as "DE-4 PWR CONVR". 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 NT4S99AA, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue