ALM-4208 Cable Connection of the TRX Output Port Alarm

Description

The alarm is reported when the cables of the TRX output port are not connected or connected incorrectly.

Attribute

Alarm ID	Alarm Severity	Alarm Type
4208	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. 65:DTRU/GTRU/DDRM 88:DRRU 92:DRFU 96:MRRU 100:MRFU 101:GRFU 102:GRRU 151:QTRU
3	Board No.	Number of the fault board
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. 12:BTS3012; 13:BTS3006C; 14:BTS3002E; 15:BTS3012AE; 16:BTS3012 II; 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

The services carried on the TRX are completely disrupted when the alarm is generated.

System Actions

The power amplifier (PA) of the TRX is automatically shut down.

Possible Causes

The cables of the configured TRX output port are not connected properly.
The transmit mode is inconsistent with the connection of the cables.
The TRX hardware is faulty.

Procedure

Check whether the transmit mode is consistent with the connection of the cables.
1. Check whether the transmit mode is consistent with the connection of the cables.
  Y => The transmission mode is consistent with the connection of the cables. Go to procedure 2.
  
  N => The transmission mode is inconsistent with the connection of the cables. Go to step b.
2. Reconnect the cables of the TRX output port.
  After reconnecting the cables, check whether the alarm is cleared.
  
  Y => The alarm is cleared. No further action is required.
  
  N => The alarm is not cleared. Go to procedure 2.
Check whether the cables and the connectors are connected properly.
1. Check whether the cables and the connectors are connected properly.
  Y => The cables and the connectors are connected properly. Go to procedure 3.
  
  N => The cables and the connectors are connected improperly. Go to step b.
2. Reconnect the cables and the connectors.
  After the reconnection, check whether the alarm is cleared.
  
  Y => The alarm is cleared. No further action is required.
  
  N => The alarm is not cleared. Go to procedure 3.
Reset the TRX.
After resetting the TRX, check whether the alarm is cleared.

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

N => The alarm is not cleared. Go to procedure 4.
Replace the TRX.
After replacing the TRX, 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.