| 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. 72:DPMU 133:APM/APMU |
| 3 | Board No. | Number of the fault board Value range:0-8:DPMU/APMU |
| 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; 20:DBS3036; 21:BTS3036; 22:BTS3036A; |
| 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 |
When this alarm is generated, the BSC blocks the non-BCCH TRXs of the BTS to reduce the power consumption and to maximize the service time of the BTS.
The single-phase AC mains supply is input to the PMU. The PMU internal power monitoring module monitors the AC voltage. This alarm will be generated when the voltage is lower than 50 V.
Y => The AC power supply is abnormal. Contact the power supply department to rectify the power failure. After the AC power supply is normal, go to [2].
N => The AC power supply is normal. Go to 3.
Y => The alarm is cleared. The alarm handling is complete.
N => The alarm is not cleared. Go to 3.
Y => The power switch of the cabinet or equipment room is set to OFF. Go to 4.
N => The power switches of the cabinet and equipment room are all set to ON. Go to 5.
Y => The alarm is cleared. The alarm handling is complete.
N => The alarm is not cleared. Go to 5.
Y => The connections of power cables in the equipment room are faulty. Contact the power supply department to rectify the fault. Then, go to [6].
N => The connections of power cables in the equipment room are normal. Contact Huawei Customer Service Center.
Y => The alarm is cleared. The alarm handling is complete.
N => The alarm is not cleared. Contact Huawei Customer Service Center.