20140603

CONNECTING TWO PCS TOGETHER USING RS232, WITHOUT HANDSHAKING


HANDSHAKE LOOPING A PC SERIAL CONNECTOR- RS232


RS-232 Maximum Cable Length

Baud rateMaximum range / cable length
1920050ft
9600500ft
48001000ft
24003000ft

CROSS PINNED CABLES FOR ASYNC DATA TRANSFER - RS232


db9-pinout


12N / 12S Connectors pinout

PinCable Colour12N Connector Function12S Connector Function 
1YellowLeft IndicatorReverse Lamps
2BlueFog Lamps (if fitted)Spare
3WhiteGroundGround for pin 4
4GreenRight IndicatorPermanent 12V power / charge
5BrownRight Side / TaillampSpare
6RedBrake LampsFridge
7BlackLeft Side / TaillampGround for pin 6

Led pinout