9 Pin Serial Cable Wiring Diagram. This cable may be used to connect any rs 232 equipped device to computer connect two computers via com serial port and so on. Some of the simpler systems just send the data without any hard wired handshaking and as a result the serial data cables required for this are very simple. Rs232c retains the features of rs232 but uses 25 pins rather than a 9 pin serial pinout.
25 pin to 9 pin serial cable parallel printer connector db 25 db 25 pin female signal db 25 male conn db 25 female conn. In this db25 connector pinout provisions were made for a secondary serial rs232 communication channel. The rs232 protocol uses a 9 pin serial port that can have either male or female connectors. If any single led is lit by both of the devices then there is an output conflict and the cable wiring is incorrect.
In this db25 connector pinout provisions were made for a secondary serial rs232 communication channel.
Rs232 serial connector pin assignment. A serial pinout diagram is presented below. Serial and parallel cable schematics and wiring diagrams. Some of the simpler systems just send the data without any hard wired handshaking and as a result the serial data cables required for this are very simple. The most recent version of the protocol is known as rs232c.