FTDI is selling a USB-RS232 adapter as a replacement for DB-9 connectors. They come with USB male or female connections depending on the application and have the same serial footprint and pinout ...

The Cables to Go USB to Serial DB9 SuperBooster Wall Plate essentially takes a serial (in HT terms RS-232) signal and converts it to USB.

It is hard to program the serial DB9 port, hence I want to replace it with a usb port instead. attached is the circuit diagram, any suggestions would be very helpful ...

San Diego, Calif. — The EZ-Tap RS232 passive tap module from StratusEngineering provides a RS232 data monitoring and logging solution in a lightweight package. The EZ-TAP features an inline passive ...