Aten USB Type A to RS-232 M M Adapter Cable, 1m (UC232A1)
Amazon.com: Aten UC232A USB to PDA/Serial (DB9) Adapter w/PC & Mac Drivers : Electronics
ATEN UC232A USB to Serial Adapter | PLE Computers
USB to Serial port RS232 DB9 Genuine ATEN (UC-232A) - homenet48
Aten Uc232a Usb To Rs232 Db 9 Pin Pda Serial Db9 Port Adapter Pc Mac Drivers Usb-a Type Convert Rs-232 Serial Interface - Pc Hardware Cables & Adapters - AliExpress
ATEN USB to PDA/Serial (DB9) Adapter w/ PC & Mac Drivers - Newegg.com
Converter USB-A Male - RS232 Black/Silver
1M USB to RS-232 Converter - UC232A1, ATEN Converters | ATEN Corporate Headquarters