ALM-13316 USCU Maintenance Link Fault Alarm

Description

This alarm is reported when the maintenance link for the USCU is faulty.

Attribute

Alarm ID Alarm Severity Alarm Type
13316 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.

105:USCU
3 Board No.

Number of the fault board

0-4:USCU
4 PassNo

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

Alarm sub-category number

1:The Board is not in position

2:I2C component 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.

17:DBS3900 GSM;

18:BTS3900 GSM;

19:BTS3900A GSM;

20:DBS3036;

21:BTS3036;

22:BTS3036A;
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 USCU cannot be maintained.

System Actions

None.

Possible Causes

  • The USCU is not in position.
  • The USCU is not in proper contact with the slot, or the USCU is faulty.
  • The I2C link is faulty.

Procedure

  1. Check for the board not-in-position alarm (alarm sub-category number 0).

    Y => The alarm is generated. Go to procedure 2.

    N => The alarm is not generated. Go to procedure 3.

  2. Check whether the USCU is properly installed in the correct slot that is configured on the LMT.

    Y => The USCU is properly installed in the correct slot. Go to procedure 4.

    N => The USCU is improperly installed. Go to procedure 3.

  3. Install the USCU in the correct slot. Check whether the alarm is cleared.

    Y => The alarm is cleared. No further action is required.

    N => The alarm is not cleared. Go to procedure 4.

  4. Replace the USCU. Check whether the alarm is cleared.

    Y => The alarm is cleared. No further action is required.

    N => The alarm is not cleared. Go to procedure 5.

  5. Replace the main control board in the BBU. Check whether the alarm is cleared.

    Y => The alarm is cleared. No further action is required.

    N => The alarm is not cleared. Contact Huawei.

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