OSN 3500 is a new-generation optical transmission system developed by Huawei. It adopts a unified switching architecture and can function as an MPLS/MPLS-TP-based packet device or a TDM device. When working with other devices of Huawei, OSN 3500 supports various networking modes, including the pure packet mode, hybrid networking (packet + TDM) mode, and pure TDM mode, achieving optimal processing for packet services and traditional SDH services. Thus, OSN 3500 efficiently transmits voice and data services over the same platform. Version Description The SL4A is available in one functional version, namely, N1. Through the board version replacement function, the N1SL4 and the N1SL4A can substitute each other. Version Mapping Board Start Version N1SL4A V100R008C01 Board Updates This section describes the hardware updates in V200R013C30 and later versions as well as the reasons for the updates. Any product versions that are not liste...
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