ALM-5302 CCDU inner data bus alarm

Description

This alarm is reported if the interval between the frequency points of any two channels in the DFCU is less than 600kHz.

Attribute

Alarm ID Alarm Severity Alarm Type
5302 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.

75:DFCU

76:DFCB

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

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 is located.

12:BTS3012;

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

When the alarm generates, the basic services proceed, but the downlink coverage goes down.

System Actions

None.

Possible Causes

This alarm is reported if the interval between the frequency points of any two channels in the DFCU is less than 600kHz.

Procedure

  1. Check the frequency point configuration of all channels in the DFCU, and check if the interval between the frequency points of any two channels is less than 600kHz.

    Y=>Reconfigure the channel frequency points and ensure the interval between any two frequency points is not less than 600kHz. Go to Step 2 Reset the DFCU.

    N=>The alarm is not cleared, go to Step [3].

  2. Reset the DFCU

    Reset the DFCU through the LMT, check whether the alarm is cleared.

    Y=>The alarm handling ends.

    N=>Go to step 2.

  3. Replace the DFCU

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

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


Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.