Access control board communication protocol return value
2017-03-28 11:47
Details of the problem:
Does the device always reply with the following format no matter what data (or wrong data) is sent from the PC to the device? Or will there be other treatments?
Expert answer:
Only when the format of the communication command packet is correct, the SN is correct, the command code is correct, and the data content is correct will the reply be received.
