ALM-2204 TRX Communication Alarm

Description

The alarm is triggered when the handshake between TRX and TMU at the CBUS2 link layer fails.

Attribute

Alarm ID Alarm Severity Alarm Type
2204 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.

135:TRX
3 Board No.

Number of the fault board

0:TRX 0
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 or module is located

3: BTS30

5: BTS312

10: BTS3012A

11: BTS3006A
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 TRX cannot work normally upon occurrence of this alarm.

System Actions

None.

Possible Causes

  • The TRX is uninstalled, manually reset or powered down.
  • The TDU is damaged.
  • The TRX is damaged.
  • The TMU is damaged.

Procedure

  1. Check the TRX
    1. Check whether there is no TRX installed

      Y=> Install a TRX and the alarm handling ends.

      N=> Go to Step b.

    2. Check whether the TRX has been manually reset or powered down.

      Y=> No manual handling is required. The alarm handing ends.

      N=> Go to Step 2.

  2. Check whether the TDU is faulty

    Check whether such correlated alarms as ALM-2166 TRX Clock Prompt Alarm, ALM-2136 Test Phase-Lock Loop Alarm, ALM-2118 TRX Software Running Abnormal Alarm, ALM-2574 PBU Main Clock Alarm and ALM-2576 PBU Slave Clock Alarm exist in the alarm management system. If yes, replace the TDU and check whether the original alarm is cleared.

    Y=> The alarm handling ends.

    N=> Go to Step 3.

    If no such alarms are reported, go to Step [3].

  3. Replace the TRX

    Replace the TRX and check whether the alarm is cleared.

    Y=> The alarm handling ends.

    N=> Go to Step 4.

  4. Replace the TMU

    Replace the TMU and check whether the alarm is cleared.

    Y=> The alarm handling ends.

    N=>Huawei Customer Service Center.

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