WIRELESS
MODEM CONNECTIONS
RS- 485 RS-232 TX RX GND RX TX (ADD.) (DATA) RX TX GND
SERIAL
I/O : 19200 or 9600 , n , 8 ,1 UP TO
TIMING
PC 2 BYTES 2 BYTES SEND DATA DATA
SEND ADD.+CONT. ADD.+CONT.
PA 300 104 BYTES 104
BYTES