Whether WDM equipment supports extended intra-board 1+1 protection

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Yes. WDM equipment supports extended intra-board 1+1 protection.

Other related questions:
Whether LEM24 supports intra-board 1+1 protection
When working with the DCP or OCP board, the LEM24 board supports extended intra-board 1+1 protection.

Whether LEX4 supports intra-board 1+1 protection
When working with the DCP or OCP board, the LEX4 board supports extended intra-board 1+1 protection.

Whether the intra-board 1+1 protection on the DCP board supports the revertive mode
No, it does not.

Whether system control boards need to be involved to implement intra-board 1+1 protection on OLP boards
Yes, the system control boards need to be involved.

Whether services on the protection channel of an intra-board 1+1 protection group can be manually switched to the working channel
Sure. Intra-board 1+1 protection is generally unidirectional and non-revertive. Therefore, services need to be manually switched back to the working channel when the working channel is normal.

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