USB to RS232 Converter with 5V power output on 9th pin – Atac Technology Co., Ltd.
USB TO RS232 / RS485 / TTL Industrial Isolated Converter - PiShop.us
RS232 to USB Converter Cable
FT232RNL USB TO RS232/485/422/TTL Interface Converter, Industrial Isolation
RS232 to USB converter - Victron Energy
Black Box - serial adapter - USB - RS-232 - TAA Compliant - IC199A-R4 - USB Adapters - CDW.com
UT-880 USB to RS-232 Converter USB V2.0 - UOTEK
USB 2.0 To Serial DB9 Male (9 Pin) RS232 Cable Adapter - Sabrent
Bulk Buy China Wholesale Usb To 2ports Rs232 Serial Cable Usb To Rs232 Adapter Usb 2.0 To Db9 Male Multi-2/usb Rs232 $15 from Premier Cable Co.,Ltd | Globalsources.com
USB to RS232 Adapter / Converter – CommFront
USB to RS232 / RS485 / TTL Industrial Isolated Converter - RobotShop
USB-RS232 Konverter (isoliert) für Drives - LinMot e-Catalogue
FT232RL/CH343G USB TO RS232/485/TTL Interface Converter, Industrial Isolation
Rs232-USB converter – BEL Engineering
USB to RS232 Serial Converter 1/1.5/2/3M
Преобразователь интерфейсов USB-RS232
USB to TTL 3.3V Converter – CommFront
USB RS-232 DB9 Male Serial Adapter Converter with Prolific Chip