4 Port Professional RS-232 USB 2.0 to Serial Adapter
USB RS-232 DB9 Male Serial Adapter Converter with Prolific Chip
Amazon.com: 5FT Micro USB to RS-232 9-Pin DB9 Male Serial Adapter Cable for Windows Mac OS Linux FTDI Chipset (5FT, Micro USB to DB9) : Electronics
Cable: for Protos X bus couplers, 9.8ft/3m cable length (PN# PX-USB-232) | AutomationDirect
USB232 - 1-port USB to RS-232 Converter
USB-RS232-WE-1800-BT_3.3 - FTDI
USB-RS232-WE-1800-BT_0.0 - Ftdi - Cable, USB A to RS232, Serial Convertor
USB to RS232 Converter - 6ft - CAB-11304 - SparkFun Electronics
778472-01 NI | Test and Measurement | DigiKey
USB to RS-232 DB9 1-Port Serial Interface Adapter - Sealevel
USB Serial Adapter – Windows 10 Compatible High-Speed RS232 adapter
USB to RS-232 Adapter (35cm) - UC232A, ATEN Converters | ATEN U.S.A.
Mini USB 2.0 to RS-232 DB-9 Serial Adapter w/ 15kV ESD Protection & 3ft. USB Extension Cable
Amazon.com: CBL-USB-232: USB to RS232 Converter Cable with Thumscrews, 1.1m long (Prolific PL2303) : Electronics
Industrial USB/RS232 USB/Serial PLC Programming W7 XP RS232 - PLCCable.com - Automation Supplies and PLC Tools
StarTech 1-Port USB to Null Modem RS232 DB9 Serial ICUSB232FTN
USB to RS232 DB9/DB25 Serial Adapter - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com Europe
![Amazon.com: SABRENT USB to RS-232 DB9 Serial 9 pin Adapter Prolific PL2303 1-ft [SBT-USC1K] : Electronics](https://m.media-amazon.com/images/I/81Mdvlhpb9L.jpg "Amazon.com: SABRENT USB to RS-232 DB9 Serial 9 pin Adapter Prolific PL2303 1-ft [SBT-USC1K] : Electronics")
Amazon.com: SABRENT USB to RS-232 DB9 Serial 9 pin Adapter Prolific PL2303 1-ft [SBT-USC1K] : Electronics
USB to RS232 Adapter / Converter – CommFront
Mini USB 2.0 to RS-232 DB-9 Serial Adapter w/ 15kV ESD Protection & 3ft.
