Insignia™ 1.3' USB-to-RS-232 (DB9) PDA/Serial Adapter Cable, with Prolific Chipset Black NS-PU99501 - Best Buy
ATEN - serial adapter - USB - RS-232 - UC232A - USB Adapters - CDW.com
USB to RS485-RS422 converter with FTDI Chip and USB Cable
QCI-USB-RS485 - USB to RS-485 Converter
USB 2.0 To Serial DB9 Male (9 Pin) RS232 Cable Adapter - Sabrent
USB to 2-Wire RS485 Adapter / Converter – CommFront
Electronic Master USB to RS232 Cable EM620503 - The Home Depot
Marshall Electronics USB to RS-485/RS-422 Converter CV-USB-RS485
Tripp Lite 5ft USB to Serial Adapter Cable USB-A to DB9 RS-232 M/M 5' - serial adapter - USB - RS-232 - U209-000-R - USB Adapters - CDW.com
Amazon.com: Serial To Usb Adapter
USB to DB9 RS-232 Adapter Cable - Arun Microelectronics
RS422 RS485 USB Serial Cable Adapter - Serial Cards & Adapters | StarTech.com
![USB/Serial Converter [FT232RL] : ID 18 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/18-06.jpg "USB/Serial Converter [FT232RL] : ID 18 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits")
USB/Serial Converter [FT232RL] : ID 18 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits
Meade USB to RS-232 Serial Adapter
USB to RS-485 Converter – Microflex
2-Port USB to RS-232 Serial Adapter Cable
USB to 1-Port RS-422 DB9 Serial Interface Adapter - Sealevel
DeLOCK USB to Seriel RS-232 adapter
IOGEAR - GUC232A - USB to Serial Adapter
USB-A to Serial Adapter Cable - RS232, DB9, 5-ft. | Eaton
Cable AK-CO-02 USB / RS-232
1M USB to RS-232 Converter - UC232A1, ATEN Converters | ATEN U.S.A.
1 Port USB 2.0 to Serial Adapter Cable - Serial Cards & Adapters | StarTech.com
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,
USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters | StarTech.com
USB 2.0 to RS-232 / RS-422 / RS-485 Selectable Industrial Serial Adapter w/ 15kV ESD Surge Protection - Coolgear
RS232 to USB Adapter Cable, 5-ft | Eaton
