ALM-11976 GPS antenna failure alarm

Description

When GPS antenna current is abnormal, the alarm occurs.

Alarm ID	Alarm Severity	Alarm Type
11976	Major	Fault

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. 99:DGPS
3	Board No.	Number of the fault board 0-35:DGPS
4	PassNo	Number of the passage where the faulty board is located.
5	SubLink No.	Alarm sub-category number 0:GPS antenna current is abnormal 1:RGPS antenna current is abnormal
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; 15:BTS3012AE; 16:BTS3012 II;
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

None.

If the alarm tributary number is 1, go to [2]. If the alarm tributary number is 2, go to [3].
Check the connections between the GPS board and the connector of the antenna on top of the cabinet.
1. Check whether the GPS board and the connector of the antenna on top of the cabinet are properly connected.
  Y=> Go to step 4;
  
  N=> Go to step b.
2. Reconnect install the GPS board and the connector of the antenna on top of the cabinet, and then check whether the alarm is cleared.
  Y=> The alarm handing ends;
  
  N=> Go to step 4.
Check the connections of the wiring terminals on the front panel of the GPS board.
1. Check whether the wiring terminals on the front panel of the GPS board are properly connected.
  Y=> Go to step 4;
  
  N=> Go to step b.
2. Reconnect the wiring terminals on the front panel of the GPS board, and then check whether the alarm is cleared.
  Y=> The alarm handing ends;
  
  N=> Go to step 4.
Replace the DGPS board, and then check whether the alarm is cleared.
Y=> The alarm handing ends;

N=> If the DGPS board uses the GPS receiver, go to step [5]. If the DGPS board uses the RGPS receiver, go to step [6].
Replace the GPS antenna or surge protector, and then check whether the alarm is cleared.
Y=> The alarm handing ends;

N=> Contact Huawei Customer Service Center.
Contact Huawei Customer Service Center.