StarTechcom, ICUSB232D Connector Adapters
USB 4-Port Serial Adapter / USB 2.0 Quad Port Serial DB-9 RS-232
Insignia™ 1.3' USB-to-RS-232 (DB9) PDA/Serial Adapter Cable, with Prolific Chipset Black NS-PU99501 - Best Buy
Large Selection of USB-RS232 adapters, Easy Installation and Setup of USB RS232 COM ports.
StarTech 1 Port Professional USB to Serial Adapter ICUSB2321X
Sewell InstaCOM USB to Serial Adapter — Sewell Direct
USB 2.0 To Serial DB9 Male (9 Pin) RS232 Cable Adapter - Sabrent
USB 4-Port Serial Adapter - USB 2.0 to DB-9 Port RS232 with FTDI CHIP - Coolgear
USB and RS232 Serial Communication Cables
Rocstor Premium 5ft 1 Port USB to Null Modem RS232 DB9 Serial DCE Adapter Cable with FTDI
Keyspan RS232 to USB-A Adapter, DB9, 3-ft Cable | Eaton
Amazon.com: TRENDnet USB to Serial 9-Pin Converter Cable, Connect a RS-232 Serial Device to a USB 2.0 Port, Supports Windows & Mac, USB 1.1, USB 2.0, USB 3.0, 21 Inch Cable Length,
Dual Port USB 2.0 to RS-232 DB-9 Serial Adapter w/ FTDI Chip - Coolgear
USB-to-serial adapter - Wikipedia
3ft USB to Serial Cable/RS232 Adapter - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
C-USB-SERIAL: USB to RS-232 DB9M Serial Converter - iWorx Systems Inc
USB serial communication to MAX232 circuit | Download Scientific Diagram
UC2322 - 2-Port USB-to -Serial RS-232 Hub
USB-IIRO4-2SM: USB Isolated I/O and Serial Communication Modules - ACCES I/O Products
USB to RS232 DB9/DB25 Serial Adapter - Serial Cards & Adapters | StarTech.com
HP USB to Serial Port Adapter J7B60AA B&H Photo Video
How To Connect a Serial Device using USB - YouTube
