UC-232A USB to Serial Adapter USB to RS-232 Adapter 9-pin RS232 UC232A For ATEN | eBay
1M USB to RS-232 Converter - UC232A1, ATEN Converters | ATEN U.S.A.
Amazon.com: Aten UC232A USB to PDA/Serial (DB9) Adapter w/PC & Mac Drivers : Electronics
BB-UC232A - Serial Converter, USB 2.0 to RS-232 DB9 M - Advantech
UC232A | Aten USB to serial RS232 converter | Distrelec International
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