ALM-4700 Network Link Failure

Description

The status of the FE port changes to DOWN

Attribute

Alarm ID Alarm Severity Alarm Type
4700 Critical 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.

87:GTMU

3 Board No.

Number of the fault board

0:GTMU

4 PassNo

Number of the passage where the faulty board is located.

5 SubLink No.

Alarm sub-category number

0:FE0 communication abnormal

1:FE1 communication abnormal

2: The communication on the Ethernet port of the CAN is not normal.

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;

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 is generated, the CANBUS cannot communicate with other boards or modules, and partial monitoring function is unavailable.

System Actions

None.

Possible Causes

The GTMU is faulty.

Procedure

  1. Reset the GTMU. Check whether the alarm is cleared:

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

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

  2. Replace the GTMU. Check whether the alarm is cleared.

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

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


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