ALM-3668 Transmission Loop Test Alarm

Description

This alarm is triggered when a user delivers the command to start the IOMU E1 loopback test or IASU loopback test on the BTS3002C through the maintenance system.

Attribute

Alarm ID	Alarm Severity	Alarm Type
3668	Warning	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. 129:IOMU
3	Board No.	Number of the fault board 0:IOMU
4	PassNo	Number of the passage where the faulty board is located.
5	SubLink No.	Alarm sub-category number 0:start BSC-oriented loopback test 1:start IOMU MPC860 oriented loopback test
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 9: BTS3002C
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 occurs, the communications between the BTS3002C and the BSC and the services in the BTS3002C will be interrupted.

System Actions

When the test time is up, the BTS3002C resets automatically and resumes to normal operation.

Possible Causes

An IOMU E1 loopback test or IASU loopback test is started.

Procedure

The system reports this warning when an E1 loopback test or IASU loopback test is started manually. No manual handling is required.