| 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. 135:TRX |
| 3 | Board No. | Number of the fault board 0:TRX 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 |
The uplink flexibility of the TRX decreases and the cell coverage area reduces upon occurrence of this alarm.
Check whether the RF cable connected to the diversity receive port on the TRX is loose or damaged. If yes, secure the loose connector to the port or replace the damaged cable. Check whether the alarm is cleared.
Y=> The alarm handling ends.
N=> Go to Step 2.
Replace the TRX and check whether the alarm is cleared.
Y=> The alarm handling ends.
N=> Go to Step 3.
Check the CDU or EDU, and Replace the CDU or EDU. See if the alarm is cleared.
Y=> The alarm handling ends.
N=> Go to Step 4.
Check whether the diversity receive RF cable between the CDU and cabinet top is is loose or damaged. If yes, secure the loose connector to the port or replace the damaged cable. Check whether the alarm is cleared.
Y=> The alarm handling ends.
N=> Go to Step 5.
Check all the cables and devices between the cabinet top and antenna to see whether there is any loose cable connector, cable damage or TTA damage. If yes, secure the cable connector to the relevant port or replace the cable or TTA. Check whether the alarm is cleared.
Y=> The alarm handling ends.