USB to serial RS232 adapter with two ports
1 Port USB 2.0 to Serial Adapter Cable - Serial Cards & Adapters | StarTech. com
4-Port USB to RS-232 Serial Adapter Hub
ST ICUSB232DB25: Adapter cable USB 2.0 type-a to serial DB9 - DB25 0.9 m. at reichelt elektronik
4 Port Professional RS-232 USB 2.0 to Serial Adapter
HP USB to Serial Port Adapter J7B60AA B&H Photo Video
Metal Case DUAL PORT USB to Serial RS-232 DB-9 Adapter Cable
8-Port RS-232 USB to Serial Adapter Data Control Box - Coolgear
Gearmo USB 2 Port Serial RS232 featuring FTDI Chipset with LED Indicators
FTDI Serial USB RS232 Adapter 4 port Din Rail Industrial - Shentek
![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
StarTech.com USB to Serial Adapter - Detachable 6 ft USB A-B Cable - Prolific PL-2303 - USB to RS232 Adapter Cable - Add an RS232 serial port to your laptop or desktop
USB 4-Port Serial Adapter - USB 2.0 to DB-9 Port RS232 with FTDI CHIP - Coolgear
StarTech.com 3ft (1m) USB to Serial Cable, DB9 Male RS232 to USB Converter, USB to Serial Adapter, COM Port Adapter with Prolific IC, 1 (Quantity) - Walmart.com
PRO Single Port USB to Serial Adapter with Activity LED 3ft.
C-USB-SERIAL: USB to RS-232 DB9M Serial Converter - iWorx Systems Inc
USB to 4 PIN Serial RS232 PORT FTDI Chipset Adapter Connector
High-Speed USB-to-Serial Adapter for Windows 8 32/64-bit - U.S.Converters
USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters | StarTech. com
3ft USB to Serial Cable/RS232 Adapter - Serial Cards & Adapters | StarTech. com
StarTech.com 1 Port FTDI USB to Serial 232 Adapter Cable COM Retention - ICUSB2321F - Serial Cables - CDW.com
Insignia™ 1.3' USB-to-RS-232 (DB9) PDA/Serial Adapter Cable, with Prolific Chipset Black NS-PU99501 - Best Buy
Keyspan RS232 to USB-A Adapter, DB9, 3-ft Cable | Eaton
