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 SL64 is available in several functional versions. The N2SL64 is discontinued. The functions provided by the functional versions are different. Table 1 describes the versions of the SL64. Table 1 Versions of the SL64 Item Description Functional versions The SL64 is available in the following functional versions: N4, N2 and N1. Differences The N1SL64/N4SL64...
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