What is the Nokia TU21122.5?
The Nokia TU21122.5 is a circuit card / line card, listed by the manufacturer as "DM2DIU CARD". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
Manufactured by Nokia, the TU21122.5 (DM2DIU CARD) is a circuit card / line card. Circular Telecom sources, tests, and resells surplus and refurbished Nokia equipment like this as part of a lower-carbon alternative to new procurement.
Common Questions
The Nokia TU21122.5 is a circuit card / line card, listed by the manufacturer as "DM2DIU CARD". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
Circular Telecom sources and resells surplus and refurbished Nokia network equipment, including parts such as the TU21122.5, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue