Cause why THA provides 32 ClientLP ports but supports only 16 ODU0 services in ODU0 non-convergence mode

It is normal. The 32 ClientLP ports on the client side of a THA board are mainly used when the THA board is interconnected with a TOM board. If the first logical port of the TOM board uses channel 1, its second logical port can use only channel 2. When the THA board is interconnected with the TOM board, the two boards must use the same channel. For example, if the TOM board uses channel 2, the THA board must also use channel 2; otherwise, services will become abnormal. Therefore, two channels are designed for the THA board in ODU0 non-convergence mode.

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