Excell H3 Series - Appendix 2 Fixed Format RS-232 Transmission Line Illustration

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EXCELL PRECISION CO., LTD.
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Appendix 2 Fixed Format RS-232 Transmission Line
Illustration
SCALE RS232 PRINTER
SCALE PC
Serial Data Transfer/Receive Format
LSB MSB
n , 8 , 1 S 8-bit data STOP
1
0
e , 7 , 1 S 7-bit data P STOP
1
0
 S : Start bit
STOP: Stop bit
P : Parity bit
DB 9 DB 9
2 TX 3 TX
3 RX 2 RX
5 GND 5 GND
DB 9 DB 9
2 TX 2 TX
3 RX 3 TX
5 GND 5 GND
o , 7 , 1 S 7-bit data P STOP
1
0