USB 2.0 to RS232 Female DB9 Serial Cable, Connect USB Port on your Computer to your RS232 DP 9Pin Devices. If your RS232 device is a female port, you need to connect a DB9 RS232 converter or cable between the RS232 port of the device and the cable.
eBay
PL2303 PL2303HX USB to UART TTL Cable Module 4p 4 pin RS232 Converter. USB To RS232 TTL UART PL2303HX Auto Converter USB to COM Cable Adapter Module. 1 simple serial communication. Wire sequence is defined.
eBay
Product: USB to RS232 TTL CH340G Converter. CH340G USB-to-serial chip – stable and widely supported. 1x USB to RS232 TTL CH340G Converter Module. Drivers for CH340G can be downloaded online if not pre-installed.
eBay
1x USB to RS232 DB9 Cable. USB 2.0 to Serial DB 9 Pin RS232 Cable Lead Adapter Connector. USB to RS232 Cable. Support RS232 serial interface (both 9). USB specification revision 2.0 & 1.1 compliant. Suitable for PDA and Modem.
eBay
USB To Serial Converter. Converts a USB port into 9 pin Serial (Male).
eBay
Usb 1-2: Detected FT232R. usb 1-2: Manufacturer: FTDI. ftdi_sio 1-2:1.0: FTDI USB Serial Device converter detected. usb 1-2: FTDI USB Serial Device converter now attached to ttyUSB0. usb 1-2: Product: USB Serial Converter.
eBay
USB to standard 9-pin / DB9 serial port. - Supports RS232 serial interface. - Cable Length: 0.8M (approx.).
eBay
Support RS232 serial interface. USB Power Adapter. Colour: Blue. USB specification revision 2.0 & 1.1 compliant. High quality cable.
eBay