How to Handle Common Issues with USB to RS-232 Adapter Cables
USB : USB to RS232 Serial DB9 Male Cable Adapter FTDI Chipset 10
USB to RS232 Adapter / Converter – CommFront
Meade USB/RS232 converter cable
940010817 USB-RS232 Adapter - Scantron Corporation
USB to RS232 TTL CMOS Adapter Cable with Terminal Block - Coolgear
USB to RS232 Converter – Atac Technology Co., Ltd.
Tripp Lite 5ft USB to Serial Adapter Cable USB-A to DB9 RS-232 M/M
HL-340 USB to RS232 9-pin Serial Port Adapter