No relevant resource is found in the selected language.

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies. Read our privacy policy>Search


To have a better experience, please upgrade your IE browser.


OSN 500 550 580 V100R008C50 Alarms and Performance Events Reference 02

Rate and give feedback :
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).



The MOD_TYPE_MISMATCH is an alarm indicating that a mismatched port module is detected.


Alarm Severity Alarm Type


Equipment alarm


When you view an alarm on the network management system, select the alarm. In the Alarm Details field display the related parameters of the alarm. The alarm parameters are in the following format: Alarm Parameters (hex): parameter1 parameter2...parameterN. For details about each parameter, refer to the following table.

Name Meaning
Parameter 1

Indicates the ID of the port that reports the alarm. For example, Parameter 1 = 0x01 indicates that the alarm is reported by port 1 of the related board.

Parameter 2, Parameter 3

Parameter 2 is always 0x00, and Parameter 3 is always 0x01. These parameters are meaningless.

Impact on the System

The services carried over the port are interrupted.

Possible Causes

The possible causes of the MOD_TYPE_MISMATCH alarm are as follows:

The type of the SFP module is different from the equipment module type.


  1. Based on the alarm parameters, locate the port that reports the alarm.
  2. Verify the type of the SFP module that connects to the port.
  3. If the type defined for the SFP module is wrong, replace the SFP module.
  4. If the alarm persists, contact Huawei technical support personnel to handle the alarm.

Related Information


Updated: 2019-01-21

Document ID: EDOC1100020975

Views: 75443

Downloads: 138

Average rating:
This Document Applies to these Products
Related Documents
Related Version
Previous Next