What is the Nokia TU21124.05?
The Nokia TU21124.05 is a circuit card / line card, listed by the manufacturer as "DATA INTERFACE CARD". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
The Nokia TU21124.05 is a circuit card / line card — originally specified as "DATA INTERFACE CARD" — available refurbished or as surplus stock via Circular Telecom, supporting network operators sourcing decommissioned and reclaimed equipment.
Common Questions
The Nokia TU21124.05 is a circuit card / line card, listed by the manufacturer as "DATA INTERFACE 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 TU21124.05, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue