Description
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. 129:IOMU |
| 3 | Board No. | Number of the fault board 0:IOMU |
| 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 9: BTS3002C |
| 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
When the alarm occurs, the lightning protection module in the lightning protection box has been damaged. The lightning protection capability of the BTS3002C has decreased. The BTS3002C might be damaged upon next lightning strike.
Procedure
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Check whether the lightning protection box has been installed
Check whether the lightning protection box has been installed.
Y=> Go to Step 3.
N=> Go to Step 2.
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Modify the data configuration of the BSC
Log in to the LMT online, modify the BTS attributes. You can see the parameter Alarm Shield Flag 2.
Set Alarm Shield Flag 2 to Unequipped UPS. Check whether the alarm is cleared.
NOTE: This parameter is hexadecimal. It uses bit 5 in the BTS3002C.
NOTE: bit5 = 0 The UPS is equipped.
NOTE: bit5 = 1 The UPS is equipped and the alarm can be reported.
Y=> The alarm is cleared. The alarm handling is complete.
N=> The alarm persists. The software system is abnormal.Please contact Huawei Customer Service Center
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Check the state of the indicators in the lightning protection box
Open the lightning protection box. Check whether the three indicators in the maintenance cavity of the lightning protection module are green (green refers to normal and red to faulty).
Y=> The lightning protection module is normal. Go to Step 4.
N=> At least one indicator is red, indicating that the lightning protection module has been damaged. Power down and replace this module with a new one. Power up the new module and check whether the alarm is cleared. If yes, the alarm handling ends. If no, go to Step [4].
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Check whether the alarm cable connector is loose or damaged
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Check whether the alarm cable connector is loose or damaged.
Remove and securely connect the cable connector or replace it with a normal one. Check whether the alarm is cleared.
Y=> The alarm handling ends.
N=> Go to Step b.
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Power down the BTS3002C. Remove the two cables connected with the lightning protection module. Set the multimeter to a proper resistance range. Measure the resistance between the two cables. Check whether there is any short circuit.
Y=> The cable might be damaged due to lightning strike.Please contact Huawei Customer Service Center
N=> Some hardware in the BTS3002C is faulty.Please contact Huawei Customer Service Center
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Check whether the alarm cable connector is loose or damaged.