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OSN 500 550 580 V100R008C50 Alarms and Performance Events Reference 02

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
DTR

DTR

Description

The DTR is an alarm indicating that the DCE at the local end has detected the DTE at the opposite end works abnormally. That is, the Data Terminal Ready status at the DTE is abnormal.

Attribute

Alarm Severity Alarm Type

Major

Communication alarm

Parameters

None

Impact on the System

When the DTR alarm occurs, the DCE at the local end does not work. Consequently, the services are interrupted.

Possible Causes

The possible cause of the DTR alarm is as follows:

The DTE at the opposite end works abnormally because the cable is improperly connected, or the service configuration is incorrect.

Procedure

  1. Check whether the DTE at the opposite end works well by following the actions:
    1. Check whether the cable is faulty. If yes, remove the fault.
    2. Check whether the service configuration is correct, including the settings of DTE and DCE, inter, slave or exter. Make sure that the service configuration is correct.

      After making sure that the DTE at the opposite end works well, the DTR alarm is automatically cleared.

Related Information

None.

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Updated: 2019-01-21

Document ID: EDOC1100020975

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