| 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. 88:DRRU 92:DRFU 96:MRRU 100:MRFU 101:GRFU 102:GRRU |
| 3 | Board No. | Number of the fault board 0-71:DRRU |
| 4 | PassNo | Number of the passage where the faulty board is located. |
| 5 | SubLink No. | Alarm sub-category number 0:master port 1:slave port |
| 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. 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 |
Check whether the line is good or not between RRU and BBU.
Y=>Go to Step 2.
N=>Go to Step 3.
Replace the optical line or the SFP module,check if the alarm is cleared.
Y=> The alarm is cleared.
N=> Go to Step 3.
CPRI loop in the side of TRU,check if the alarm is cleared.
Y=>it maybe the fault of the DRRU/DRFU/MRRU,replace the DRRU/DRFU/MRRU,check if the alarm is cleared,if the alram is not cleared,Please contact Huawei Customer Service Center.
N=>it maybe the fault of the GTMU,replace the GTMU,check if the alarm is cleared,if the alram is not cleared,Please contact Huawei Customer Service Center.