Split ratio of the MON port on each board on a long-haul DWDM device

For M32, D32, V32, M40, D40, and V40 of each version, the split ratio of the MON port is 1:10 (The difference between the optical power of the MON port and that of the main optical path is 10 dB.)
For OAU, OBU, OPU, WBA, WPA, WLA, RPC, RPA, RPL, and FIU of each version, the split ratio of the MON port is 1:99 (The difference between the optical power of the MON port and that of the main optical path is 20 dB.)
For HBA of each version, the split ratio of the MON port is 1:999 (The difference between the optical power of the MON port and that of the main optical path is 30 dB.)

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