Wiring Diagram Usb To Serial Port. Serial and parallel cable schematics wiring diagrams. I use a usb serial port for rs232 communications all the time on my projects rs232 since it is a very useful standard communication module which can be found built into pics and most other microcontrollers.
So if you decided to build usb to comrs232 adapter there is one of solutions. Usb cable wiring pinout. The diagram below indicates how you would go about connecting two pcs together without handshaking.
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Pinout of pc serial port rs 232 de9 and layout of 9 pin d sub male connector and 10 pin idc male connectorthis rs232c de 9 usually miscalled db 9 port is available in some pcs and many other devices. Usb a to serial adapter cable rs232 db9 5 ft tripp lite. For instance when you connect a printer to a computer the d2 is connected to the usb port on the computer dvcc is connected to the ground. Pin 1 red pin 14 yellow pin 10 green pin 4 black pin 2.