This section describes the principle of configuring the client 1+1 protection.
The principles of configuring the client 1+1 protection are as follows:
In the case of the OptiX OSN 8800 T16(NA)/8800 T32(NA)/8800 T64(NA),
In the case of the OptiX OSN 1800(NA),
The working OTU and the protection OTU must be the of same type for the configuration of client 1+1 protection.
In the case of the GE service, the LOEU supports the client 1+1 protection by using the OLP board.