| 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. 85:PMU |
| 3 | Board No. | Number of the fault board 0:PMU 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 |
Install or power on the PMU if not. View whether the alarm is cleared.
Y=> The alarm handling ends.
N=> Go to Step 2.
Reconnect the cable at the communication interface if it is not in proper connection, and replace it if it is damaged. View whether the alarm is cleared.
Y=> The alarm handling ends.
N=> Go to Step 3.
Replace the PMU and view whether the alarm is cleared.
Y=> The alarm handling ends.
N=> Go to Step 4.
The PMU works on the CBUS3, the internal bus of the BTS. Fault of any board on the CBUS3 may have impact upon the other boards on the CBUS3. Disconnect the communication cables of the boards (such as CDUs, EDUs, TESs, EACs and so on) on the CBUS3 one by one. View whether the alarm is cleared.
Y=> Replace the corresponding faulty board. The alarm handling ends.
N=> Go to Step 5.
Replace the TMU and view whether the alarm is cleared.
Y=> The alarm handling ends.