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OSN 9800 V100 Configuration Guide 03

This document introduces service configuration process for OSN 9800.
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Basic Concepts

Basic Concepts

The following basic concepts help you understand and configure the relevant SDH services correctly.

Unidirectional Service

The unidirectional service indicates the service that is received and transmitted through different routing. A unidirectional service created between NE A and NE B can only be transmitted from NE A (source) to NE B (sink) or only be transmitted from NE B (sink) to NE A (source).

Bidirectional Service

The bidirectional service indicates the service that is received and transmitted through the same routing. For a bidirectional service created between NE A and NE B, the service can be transmitted and received from NE A to NE B or from NE B to NE A.


The multiplex section protection (MSP) provides a function that switches the signals from the working section to the protection section.

SNCP Protection

The SNCP service features the dual-fed and selective receiving mode. If the dual-fed SNCP service is configured, both the dual-fed service and the selective receiving service can be automatically created on the U2000.

Virtual Port

A virtual port is a logical port in a universal line board. The universal line board maps virtual ports to OTN timeslots to implement the adaptation and multiplexing of OTN-level transmission channels, so that SDH and packet services can be transmitted at the same time.

Updated: 2019-09-05

Document ID: EDOC1100033663

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