The device supports 1+1 protection for cross, clock and master units to ensure safe operation of the device.
The Optix OSN2500 crossover, clock, and master units are provided by the CXL series of single boards.The CXL series of single boards use 1+1 hot backup to protect the crossover unit, clock unit, and master unit at the same time. As shown in Table 1.
| Parameter | Description |
|---|---|
| Work board and protection board slots |
Slot 9 and slot 10 |
| Reversal conditions (one condition is met for reversal) |
Work board not in position Hard reset of the working board Triggering of the swap protocol during a soft reset of the single board Hardware failure of the working board Reverse command issued |
| Recovery Mode |
Non-recovery mode The protection board is the current working board after the reversal. When the original working board is restored to normal, it will not be restored automatically, and the current working board is still the original protection board. |
The technical information in this chapter and the related SDH equipment troubleshooting procedures are provided by Shenzhen Optical Transmission Network Technology Co. Huawei SDH optical transmission equipment, SDH transmission equipment sales phone: 13430988088 Welcome to telephone counseling!


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