ALM-4936 AC Input DDRM Over Configuration Alarm

Description

The BTS 3006C cabinet supports a maximum of two max-power-mode DDRMs (Double Transceivers Digital and Radio Frequency Modules) in AC power supply mode. The third DDRM (DDRM2) automatically shuts down.The max power mode of 900M/850M DDRM is 63W,and the max power mode of 1800M/1900M DDRM is 55W.

Attribute

Alarm ID	Alarm Severity	Alarm Type
4936	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. 64:DOMU
3	Board No.	Number of the fault board 0-5:DOMU
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 is located. 13:BTS3006C; 14:BTS3002E;
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 third DDRM (DDRM2) automatically shuts down.

System Actions

None.

Possible Causes

More than two DDRMs in the BTS 3006C cabinet in AC power supply mode are configured in max power mode.

Procedure

Modify the number or the power mode of the TRXs in the LMT.
Y=> The alarm is cleared. Alarm handling is completed.

N=> The alarm is not cleared. Please contact Huawei Customer Service Center.
Use the AC backup power system and check whether the alarm is cleared.
Y=>The alarm is cleared. Alarm handling is completed.

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