Shop for USB to RS-232 Converter - DB9, 1-Port at Black Box. The USB to RS232 converter allows you to connect a non-USB RS232 DB9 device to your USB bus.
Black Box USB to RS-232 Converter - DB9, 1-Port
Insignia™ 1.3' USB-to-RS-232 (DB9) PDA/Serial Adapter Cable, with Prolific Chipset Black NS-PU99501 - Best Buy
Black Box IC199A-R4 Converter Cable
IC199A-Rx, USB Solo, DB9 - Black Box
Black Box RS-232 to RS-485 Interface Converter (ic1620a-f)
The USB to RS485 two wire converter allows you to connect a non-USB RS485 2-wire Terminal Block device to your USB bus. Powered from the USB interface. Includes 3-ft. (0.9-m) USB cable. USB is the connectivity standard for today's PCs replacing familiar serial ports. However many commercial and industrial devices still use RS-232 RS-422 or RS-485 interfaces. To connect these devices to modern PCs you need simple and reliable converters.
Black Box DB9 Mini Converter (USB to Serial) USB/RS-485 (2-Wire Terminal Block)
Black Box Computer Cables & Connectors in Desktop Computer Accessories
serial usb,serial db-9
Serial To USB Devices, FREE shipping
Black Box IC107A-R3 RS-232 to RS-422 Converter
Black Box USB-DB9 Converter (IC199A-R4)