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 SL16 is available in three functional versions, namely, N1, N2, and N3. The difference between the three versions is with regard to whether they support the TCM function and AU-3 services. The N1SL16 and N2SL16 are discontinued. Table 1 describes the versions of the SL16. Table 1 Versions of the SL16 Item Description Functional versions The SL16 is available in three functional v...
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