The return value of access control board communication protocol
2018-01-02 10:34
Details of the problem:
Does the device respond to this format whatever data (or false data) sent to the device from the PC ? Will there be other treatments?
Example: (Read the respond of controller SN)
Expert answer:
Only the command packet format of communication is correct, and SN is correct, the command code is correct, and the data content is correct so that you can get the respond.