ALM-3442 FN Alarm

Description

This alarm is triggered when the BTS3001C clock circuit fails or the MCI FN receiving circuit fails.

Attribute

Alarm ID Alarm Severity Alarm Type
3442 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.

82:MCI
3 Board No.

Number of the fault board

0:MCI0

1:MCI1
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

7: BTS3001C-108/BTS3001C-116

8: BTS3001C-204
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

All services supported by the local BTS3001C are interrupted upon the occurence of this alarm.

System Actions

None.

Possible Causes

  • The MMU clock module is damaged.
  • The line connections between the MMU and the MTR are not correct.
  • The MTR module is damaged.

Procedure

  1. Check whether there is any correlated alarm

    Check whether the LMT has also reported a 3438 Clock Alarm. If so, handle the alarm according to the related handling suggestions. Check whether the original alarm is cleared.

    Y=>The alarm handling ends.

    N=> The alarm has not been cleared. Go to step 2.

  2. Reset the BTS

    In the LMT, Perform fourth-level reset on the BTS3001C and then check whether the alarm is cleared.

    Y=>Go to step 3.

    N=>The possible cause is that the hardware in the BTS3001C is faulty.Please contact Huawei Customer Service Center.

  3. Continue to observe the alarm

    Check whether the same alarm occurs again in the next two or three days.

    Y=>The BTS3001C hardware has a fault, which leads to unstable running.Please contact Huawei Customer Service Center.

    N=>The alarm handling ends.

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