Which of the following statements about signal label byte C2 are incorrect?
The A.C2 byte is used to indicate the multiplexed structure and payload properties of the VC frame.
The C2 section to be sent must match the C2 bytes to be received.
If the check to C2 byte does not match, the LP-SLM alarm is reported in the corresponding VC-4 channel.
C2=00H Jizong VC4 is not equipped.
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