ALM-3142 MFU Communication alarm

Description

This alarm is triggered when MFU is abnormal or the communication link between MFU and MMU is abnormal.

Attribute

Alarm ID Alarm Severity Alarm Type
3142 Major Fault

Parameters

ID Name Meaning
1 Site No.

Number of the site where the faulty board or module is located

Value range: 0-2047

2 Board Type

Number of the type which the faulty board belongs to.

135:MFU

3 Board No.

Number of the fault board

0:MFU 0

1:MFU 1

4 PassNo

Number of the passage where the faulty board is located.

5 SubLink No.

Alarm sub-category number

255:None

6 Cell Index

Index of the cell where the board or module is located

0-2047: Cell index of the faulty cell in the data configuration

65535: None

7 Site Type

Type of the site where the faulty board or module is located

7: BTS3001C-108/BTS3001C-116

8: BTS3001C-204

8 RackNo

Number of the rack where the faulty board is located.

9 BoxNo

Number of the subrack where the faulty board is located.

10 SlotNo

Number of the slot where the faulty board is located.

11 Site Name

Site Name

12 Alarm Attribute

Alarm Character

0:Normal

1:Transient Count

Impact on the System

When this alarm occurs, all the services on the current BTS3001C are interrupted.

System Actions

If this alarm occurs, the MMU will delete all the other alarms reported by the MFU. After the alarm has been cleared, the MMU will report all the other alarms from the MFU again.

Possible Causes

  • The MFU is abnormal.
  • The communication link between the MMU and the MFU is abnormal.

Procedure

  1. Reset MFU

    Reset MFU wait for two minute.then check whether the alarm is cleared.

    Y=>The alarm handling ends.

    N=>Go step [2].

  2. perform fourth-level BTS reset

    In the remote or local maintenance system, perform fourth-level reset on the BTS3001C and then check whether the alarm is cleared.

    Y=>The alarm handling ends.

    N=>The possible cause is that the hardware in the BTS3001C is faulty. Contact Huawei Customer Service Center.


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