What is the Nortel Networks QPC449C?
The Nortel Networks QPC449C is a circuit card / line card, listed by the manufacturer as "LOOP SIGNALING TRUNK CARD". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
The Nortel Networks QPC449C is a circuit card / line card — originally specified as "LOOP SIGNALING TRUNK CARD" — available refurbished or as surplus stock via Circular Telecom, supporting network operators sourcing decommissioned and reclaimed equipment.
Common Questions
The Nortel Networks QPC449C is a circuit card / line card, listed by the manufacturer as "LOOP SIGNALING TRUNK 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 QPC449C, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue