ALM-2122 TRX Power Decrease Alarm

Description

There is a restriction to the static power when a TRX works together with a PBU and CDU. When the TRX static power exceeds this restriction, the TMU will command the TRX to lower its static power to a reasonable range and report this alarm.

Attribute

Alarm ID	Alarm Severity	Alarm Type
2122	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. 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 static power of the TRX will be reduced upon occurrence of this alarm. This might affect the coverage area.

System Actions

None.

Possible Causes

Data configuration error.
The power of the ECDU is too low.

Procedure

A TRX that works with a PBU must use an ECDU. Locally check the CDU type. If it is a common CDU, replace it with an ECDU. Then check whether the alarm is cleared.
Y=> The alarm handling ends.

N=> Huawei Customer Service Center.