What is the Ciena NTK505RA?
The Ciena NTK505RA is a circuit card / line card, listed by the manufacturer as "AC POWER INPUT CARD". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
Ciena NTK505RA: a circuit card / line card (AC POWER INPUT 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 Ciena NTK505RA is a circuit card / line card, listed by the manufacturer as "AC POWER INPUT CARD". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
Circular Telecom sources and resells surplus and refurbished Ciena network equipment, including parts such as the NTK505RA, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue