ALM-5330 DUP Unit LNA Fault

Description

This alarm is reported when the receive path is abnormal due to circuit fault of the Path A or Path B Low Noise Amplifier (LNA).

Attribute

Alarm ID Alarm Severity Alarm Type
5330 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: Circuit of the Path A LNA is faulty

1: Circuit of the Path B LNA is faulty

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 DTRU connected to the DUP Unit stops outputting power when the alarm is triggered. The services will recover only after the alarm is cleared and the DTRU is manually reset.

System Actions

None.

Possible Causes

Faulty DDPU hardware.

Procedure

  1. Replace the DDPU and check 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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