031EUMT Huawei Huawei OptiX OSN Optical Transmission Module

The Huawei 031EUMT is an optical supervisory channel (OSC) board, specifically the TN13TM20 variant, designed for use in Huawei OptiX OSN series optical transmission platforms. This board handles out-of-band management and supervisory signalling across DWDM and OTN network segments, enabling remote monitoring and control of optical line equipment.

The TN13TM20 board is deployed within Huawei’s OptiX OSN 8800, OSN 6800, and OSN 1800 series wavelength division multiplexing systems. It provides essential network management communication channels that operate independently of the main traffic-bearing wavelengths, ensuring continuous oversight even during service disruptions.

As part of Huawei’s established OptiX transmission portfolio, this board remains widely deployed in carrier and enterprise optical networks. Refurbished units offer a cost-effective solution for maintenance, sparing, and network expansion projects where new stock availability may be limited.

Available from Tech Star as new or refurbished stock. Submit a price enquiry for availability and lead time.