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6.3.42 PASS-THROUGH COMMAND [ESC] @002
Function Passes the serial interface data through the internal serial interface (CN14).
Format [ESC] @002; aaa, bbb --- bbb [LF] [NUL]
Term aaa: Number of bytes to be passed through
001 to 999
bbb --- bbb: Binary data to be passed through
Explanation This command is used for making a serial communication with the RF-ID module. The
number of bytes of data specified by this command is output to the internal serial
interface (CN14: RF-ID) without being processed. Data received from the internal
serial interface (CN14: RF-ID) is output to the serial interface.