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OSN 550

The OptiX OSN 550 is a new-generation optical transmission equipment used at the access layer for leased line and mobile BTS access.


The OptiX OSN 550 adopts the universal switch architecture which means that OptiX OSN 550 can be used in packet mode (MPLS/MPLS-TP based) or in TDM mode. OptiX OSN 550 can support various service access.

Simple Architecture and High Integration

The OptiX OSN 550 is a type of case-shaped equipment, and has simple architecture and high integration. The dimensions of the OptiX OSN 550 chassis are as follows: 442 mm (W) x 220 mm (D) x 88 mm (H).

Universal Switch Architecture and Multi-Service Transmission

The OptiX OSN 550 supports service bearing in both the time division multiplexing (TDM) domain and the packet domain. With dual-domain networking, the OptiX OSN 550 achieves smooth evolution from TDM networks to packet switched networks (PSNs).

Support the CES Functions and Flexible Networking

The OptiX OSN 550 supports the circuit emulation service (CES) technology. With the CES technology, the OptiX OSN 550 can directly receive and transmit E1 and channelized STM-1 services in the pure packet domain. In this context, the TDM domain smoothly evolves to the packet domain.

TP-Assist Helps Carefree Packet Network Maintenance

With MPLS/MPLS-TP technology, TP-Assist solution supports carefree packet network maintenance capability. TP-Assist solution does not only provide planning tools for packet network, but E2E media-independent configuration and instrument-free network deployment capability. Furthermore, rich performance monitoring and automatic fault isolation can be provided for daily network maintenance.