Dual port RS232 Serial to USB adapter for RS232 data conversion.
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
Keyspan USA19HS USB to Serial Adapter (Mac/PC) USA19HS B&H Photo
Startech 3' USB to RS232 DB9/DB25 Serial Adapter Cable - Walmart.com
Amazon.com: StarTech.com 1 ft. USB to RS232 Serial DB9 Adapter Cable with COM Port Retention - Up to 920 kpbs USB A to DB9 Serial Adapter (ICUSB232PRO) : Electronics
Plugable USB to Serial Adapter Compatible with Windows, Mac, Linux (RS-232/ DB9 DTE Male Connector, Prolific PL2303GT Chipset) - Newegg.com
USB to RS232 Adapter / USB to RS232 Converter
USB to Serial RS-232 DB9 Adapter FTDI Chipset w/ 15kV ESD Protection, Windows 11 Support - Coolgear
USB 2.0 To Serial DB9 Male (9 Pin) RS232 Cable Adapter - Sabrent
USB-C to Serial Adapter Cable - RS232, DB9, 5-ft. | Eaton
USB to RS-232 Serial Adapter DB9 - 8 Inch Short Cable
USB to RS232 Converter - 6ft - CAB-11304 - SparkFun Electronics
Keyspan RS232 to USB-A Adapter, DB9, 3-ft Cable | Eaton
USB to Serial Adapter Cable
Keyspan High Speed USB Serial Adapter - 230 Kbps | Dell USA
IOGEAR - GUC232A - USB to Serial Adapter
USB 2.0 A-Male to Dual DB9-Male Serial Adapter - Micro Connectors, Inc.
Ativa USB 2.0 to Serial Adapter 1 RS 232 DB9 Black 26847 - Office Depot
Amazon.com: CableCreation USB to RS232 Serial Adapter (FTDI Chip), 6.6 Feet USB to DB9 Female Converter Cable for Windows 10, 8.1, 8, 7, Vista, XP, Linux and Mac OS X, macOS, 2 Meters/Black : Electronics
High-Speed USB-to-Serial Adapter for Windows 8 32/64-bit - U.S.Converters
6FT USB 2.0 A Male To RS232 DB9 9Pin Female Serial Cable Adapter Converter Cord | eBay
USB-C to Serial Adapter | 3ft | Advantage Software
Insignia™ 1.3' USB-to-RS-232 (DB9) PDA/Serial Adapter Cable, with Prolific Chipset Black NS-PU99501 - Best Buy
Rocstor Premium 5ft 1 Port USB to Null Modem RS232 DB9 Serial DCE Adapter Cable with FTDI
USB to Serial Adapter – Trouble Free!!
C2G 1.5ft USB to Serial Cable USB to DB9 Serial RS232 Cable MM Convert a DB9 RS232 serial device to USB great for PDAs digital cameras and many other peripherals - Office
Meade USB to RS-232 Serial Adapter
