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A bureau OSN2000 spare cross board reports BUSERR alarm, the alarm parameter is 01 00 0C FF FF, the cross board has been replaced, the alarm still does not disappear.
Cause analysis
The BUS_ERR alarm indicates that the service bus sent from the service board to the cross-board is faulty or the service bus sent from the cross-board to the service board is faulty.
Procedure
- Since the crossover board has been ruled out, the possibility of business board failure is higher. According to the description in the product manual, the third parameter of BUSERR, 0C, indicates the bus number, but the bus number corresponding to the board position relationship is not found in the available information.
- The corresponding relationship between the bus number and board position of OSN2000 is shown in the following table
- The third parameter of this problem is 0C, decimal 12, corresponding to slot 6. The problem is solved by replacing the 6-slot single board.
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