Toshiba B-SX4T-GS20-QM-R User Manual

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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.