What is the Ciena NTK539UB?
The Ciena NTK539UB is a circuit card / line card, listed by the manufacturer as "100G TUNABLE LINE CARD". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
Looking for the Ciena NTK539UB? This circuit card / line card, described by the manufacturer as "100G TUNABLE LINE CARD", is stocked and resold through Circular Telecom's refurbished and surplus telecom equipment network.
Common Questions
The Ciena NTK539UB is a circuit card / line card, listed by the manufacturer as "100G TUNABLE LINE 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 NTK539UB, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue