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Huawei OSN 3500 PEX1 SSN2PEX1 N2PEX1 Application

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 PEX1 is available in N1 and N2. The N1PEX1 is discontinued.
Table 1 describes the versions of the PEX1.
Table 1 Versions of the PEX1
ItemDescription
Functional versions
The PEX1 is available in two functional versions, namely, N1 and N2.
Differences
  • Regarding interface specifications: interface types, working modes, unidirectional-mode setting.
  • Regarding service specifications: tunnel specifications, Ethernet service capability.
  • Regarding protection schemes: MPLS PW APS, MC-LAG.
  • Regarding clock synchronization: IEEE 1588v2.
  • Regarding maintenance features: distributed MPLS OAM/centralized MPLS OAM, MPLS-TP OAM, loopback capability.
  • Regarding other points: The N1PEX1 occupies two slots, but the N2PEX1 occupies only one slot. Therefore, the N1PEX1 and N2PEX1 boards cannot be used interchangeably.
SubstitutionNone

Version Mapping

BoardStart Version
N1PEX1V100R009C03
N2PEX1V200R011C00

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