ALM-4794 Hardware Critical Alarm

Description

The main control module hardware is faulty.

Attribute

Alarm ID Alarm Severity Alarm Type
4794 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.

64:DTMU/DOMU

87:GTMU

3 Board No.

Number of the fault board

0-5:DTMU/GTMU

4 PassNo

Number of the passage where the faulty board is located.

5 SubLink No.

Alarm Sub-Category Number

Sub No. 0: Writing or reading the Flash error.

Sub No. 1: SD539 chip initialized improperly.

Sub No. 2: 32.768 MHz clock alarm.

Sub No. 3: FPGA alarm.

Sub No. 4: 2.048 MHz clock alarm.

Sub No. 7: E1 port 0 circuit abnormal.

Sub No. 8: E1 port 1 circuit abnormal.

Sub No. 9: E1 port 2 circuit abnormal.

Sub No. 10: E1 port 3 circuit abnormal.

Sub No. 11: E1 port 4 circuit abnormal.

Sub No. 12: E1 port 5 circuit abnormal.

Sub No. 13: E1 port 6 circuit abnormal.

Sub No. 14: E1 port 7 circuit abnormal.

Sub No. 16: E1 chip 1 initialized improperly.

Sub No. 17: E1 chip 2 initialized improperly.

Sub No. 18: SFP-A rate mismatched.

Sub No. 19: SFP-B rate mismatched.

Sub No. 20: Combined cabinets transceiver internal phase-locked loop unlocked.

Sub No. 21: Combined cabinets reference clock phase-locked loop unlocked.

Sub No. 22: EPLD load failure.

Sub No. 23: 13 MHz system clock failed to be calibrated.

Sub No. 24: 32.768 MHz clock lost.

Sub No. 25: 125 MHz clock lost.

Sub No. 26: 50 MHz clock lost.

Sub No. 27: 2 MHz clock lost.

Sub No. 28: TRAN FPGA clock lost.

Sub No. 29: BRI FPGA clock lost.

Sub No. 30: 12 VA power alarm.

Sub No. 31: 12 VB power alarm.

Sub No. 32: 5 V CANBUS power alarm.

Sub No. 33: 1.2 V power alarm.

Sub No. 34: Heat board faulty.

Sub No. 35:Serdes chip 0 fault.

Sub No. 36:Serdes chip 1 fault.

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 is located.

12:BTS3012;

13:BTS3006C;

14:BTS3002E;

15:BTS3012AE;

16:BTS3012 II;

17:DBS3900 GSM;

18:BTS3900 GSM;

19:BTS3900A GSM;

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

The DTMU runs abnormally.

System Actions

None.

Possible Causes

The main clock module hardware is faulty.

Procedure

  1. Reset the DTMU and check whether the alarm is cleared.

    Y=>The alarm is cleared. Alarm handling is complete.

    N=>Go to Step 2.

  2. Replace the DTMU and check whether the alarm is cleared.

    Y=>The alarm is cleared. Alarm handling is complete.

    N=>The alarm is not cleared. Please contact Huawei Customer Service Center.


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