ALM-5320 DUP Unit Clock Abnormal

Description

This alarm is reported when the DUP Unit cannot detect the standing wave alarm or the forward power due to abnormal input clock.

Attribute

Alarm ID Alarm Severity Alarm Type
5320 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.

66:DUP Unit
3 Board No.

Number of the fault board

Value range:0-35

4 PassNo

Number of the passage where the faulty board is located.
5 SubLink No.

Alarm sub-category number

0: FCLK abnormal

1: OBCLK abnormal
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;
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 DUP Unit cannot detect the standing wave alarm or the forward power.

System Actions

None.

Possible Causes

  • The cable at the COM port of the DUP Unit is not properly connected.
  • Faulty DUP Unit hardware.
  • Faulty main controlling module hardware.

Procedure

  1. Reset the DUP Unit.

    Reset the DUP Unit on the LMT and check if the alarm is cleared.

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

    N=> Go to Step 2.

  2. Check the cable at the COM port of the DUP Unit.

    Check if the cable at the COM port of the DUP Unit is destroyed or the terminal is loose. Replace the cable or fasten the terminal and see if the alarm is cleared.

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

    N=> Go to Step 3.

  3. Replace the DDPU Unit.

    Replace the DDPU Unit and check if the alarm is cleared.

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

    N=> Go to Step 4.

  4. Replace the main controlling unit.

    Replace the main controlling unit and see if the alarm is cleared.

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

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

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