What is the Nortel Networks QPC691A?
The Nortel Networks QPC691A is a signal/power converter, listed by the manufacturer as "5/12V PWR CONVERTER". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
Nortel Networks QPC691A: a signal/power converter (5/12V PWR CONVERTER). 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 QPC691A is a signal/power converter, listed by the manufacturer as "5/12V PWR CONVERTER". 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 QPC691A, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue