Huawei SSN1DCU03 OptiX OSN SDH/WDM Optical Transmission Module

The Huawei SSN1DCU03 is a Dispersion Compensation Unit (DCU) board used within Huawei’s OptiX OSN family of SDH optical transmission platforms. DCU boards are optical modules that use dispersion-compensating fibre to counteract chromatic dispersion accumulated as an optical signal travels down a long-haul fibre span, keeping the signal within the receiver’s dispersion tolerance so that high bit-rate services remain error-free over extended distances. The SSN1DCU family is fitted into a service slot of the OSN subrack and is typically deployed on long-haul or high-capacity SDH/WDM links where the fibre distance would otherwise degrade signal integrity. Different SSN1DCU variants (e.g. SSN1DCU01, SSN1DCU03) correspond to different compensation distances, allowing engineers to match the DCU to the specific span length in a given network. As a passive optical board, it complements the active transponder and amplifier boards in the same subrack. Tech-Star (UK-based, shipped worldwide) can source this Huawei OptiX OSN board, enquire for stock and compatibility confirmation against your subrack configuration.