To understand in RS232 wiring in the this place.You can test your computer comm port or RS232 port. Right place the RS232 pinout here. Also we have more RS-232 information for your learn.
RS-232,Serial Port,Comm Port Connector Diagram
Serial port diagram below show is pin position and name which you should be to know.
RS232 to RS422 or RS-422 to RS-232 Serial Interface Convert Diagram
CDN066 Serial Gateway (DeviceNet to RS232 Interface)
A 5 pin micro connector provides the DeviceNet interface and a 9 pin D connector provides the RS232 interface. The RS232 serial channel is fully isolated ...
Celestron Nexstar RS 232 PC Interface Cable: Camera ...
Celestron Nexstar RS 232 PC Interface Cable: with Camera & Photo.
The RS232 Standard
Tutorial discussion of the RS232 (EIA232) standard with signal names, ... developed a common interface standard for data communications equipment. ...
RS-232 Serial Interface
The RS-232 serial interface protocol was designed to allow the ... The RS-232 interface will put a start bit at the front of the byte and a stop bit at the ...
Diagram below show is null modem without handshaking,which has to be the most simple RS232 cable as there is only the send and receive data lines crossed and a signal ground connection.
For next diagram show is null modem with loop back handshaking,which is more or less the same as the first diagram above but with the exception of the handshake lines are looped back into the respective RS232 wiring signals.
Serial Links using RS-232 and RS-485
Data sheets are the essential source of information on how to use RS-232 and RS-485 interface chips. Chip manufacturers are also an excellent source for ...