What is the Nortel Networks NTAK20AD?
The Nortel Networks NTAK20AD is a controller module, listed by the manufacturer as "CLOCK CONTROLLER BOARD CARD". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
Manufactured by Nortel Networks, the NTAK20AD (CLOCK CONTROLLER BOARD CARD) is a controller module. 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 NTAK20AD is a controller module, listed by the manufacturer as "CLOCK CONTROLLER BOARD 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 NTAK20AD, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue