What is the Huawei TN18PIU?
The Huawei TN18PIU is a circuit board, listed by the manufacturer as "POWER INTERFACE BOARD". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
Huawei TN18PIU: a circuit board (POWER INTERFACE 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 TN18PIU is a circuit board, listed by the manufacturer as "POWER INTERFACE 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 TN18PIU, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue