What is the Huawei TN13FIU?
The Huawei TN13FIU is a circuit board, listed by the manufacturer as "OSN8800 9800 Multiplexer and Demultiplexer Board". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
Huawei TN13FIU: a circuit board (OSN8800 9800 Multiplexer and Demultiplexer Board). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend network equipment lifecycles and reduce e-waste.
Common Questions
The Huawei TN13FIU is a circuit board, listed by the manufacturer as "OSN8800 9800 Multiplexer and Demultiplexer Board". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
Circular Telecom sources and resells surplus and refurbished Huawei network equipment, including parts such as the TN13FIU, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue