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OSN 500 550 580 V100R008C50 Alarms and Performance Events Reference 02

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Overview

Overview

There are sufficient overhead bytes in SDH frames, including regenerator section overheads, multiplex section overheads, and path overheads. These overhead bytes carry alarm and performance information. According to the information, the SDH system can monitor alarms and bit errors in real time. With an understanding of the alarm generation and detection principles, you can quickly identify faults.

Figure 1-1 shows the SDH alarm signal flow.

Figure 1-1  SDH alarm signal flow

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Updated: 2019-01-21

Document ID: EDOC1100020975

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