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
UC232A | Aten USB to serial RS232 converter | Distrelec International
ATEN USB to PDA/Serial (DB9) Adapter w/ PC & Mac Drivers - Newegg.com