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 SLO1 is available in two functional versions, namely, N2 and N3. The difference between the two versions is with regard to whether they support the TCM function and AU-3 services. The N3SLO1 is discontinued. Table 1 describes the versions of the SLO1. Table 1 Versions of the SLO1 Item Description Functional versions The SLO1 is available in two functional versions, namely, N2 and N3. ...
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