1 Port USB 2.0 to Serial Adapter Cable - Serial Cards & Adapters | StarTech.com
OIAGLH USB to RS-232 DB9 Serial Adapter/Converter for SystemBase Multi-1/USB RS232 Converter ver4.0 - Newegg.com
USB-to-Serial Converters - Industrial USB-to-Serial Converters | Moxa
Multi-2/USB RS232 | USB Device | Wired | 시스템베이스
Thunderlinx™ USB to Serial adapter - U.S. Converters LLC
Keyspan RS232 to USB-A Adapter, DB9, 3-ft Cable | Eaton
Amazon.com: Gearmo 4 Port USB to Serial RS232 Adapter FTDI Chipset, Supports Win 11, 10, 8, 7, Linux, Mac w/ESD and Surge Protection : Electronics
USB 2.0 A-Male to Dual DB9-Male Serial Adapter - Micro Connectors, Inc.
SystemBase Multi-1/USB RS232 | USB to RS232 converter
Amazon.com: StarTech.com 8 Port USB to Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB to DB9 RS232 Hub (ICUSB2328I) : Electronics
C2G 1.5ft USB to Serial Cable - USB to DB9 Serial RS232 Cable - M/M - 26886 - USB Adapters - CDW.com
USB to RS-232 DB9 Serial Adapter/Converter Systembase Multi-1/USB RS232 | eBay
USB-A to Serial Adapter Cable - RS232, DB9, 5-ft. | Eaton
Amazon.com: StarTech.com 4 Port USB to Serial RS232 Adapter - DB9M - RS232 Extension - Serial to USB (ICUSB2324) : Electronics
SystemBase Multi-1USB Combo | USB | RS422 485
4-port USB to Serial RS232 Converter
![Digitus USB 1.1, Series Cable [1x USB 2.0 connector A - 4x D-SUB-plug 9-pin] DIGITUS | Conrad.com](https://asset.conrad.com/media10/isa/160267/c1/-/en/989065_BB_00_FB/image.jpg "Digitus USB 1.1, Series Cable [1x USB 2.0 connector A - 4x D-SUB-plug 9-pin] DIGITUS | Conrad.com")
Digitus USB 1.1, Series Cable [1x USB 2.0 connector A - 4x D-SUB-plug 9-pin] DIGITUS | Conrad.com
USB to serial RS232 adapter with two ports
Systembase Multi-2/USB to RS-422/485 2-Port DB9 Serial Converter – Envistia Mall
CableCreation USB to Serial Cable 3ft, USB to RS232 Adapter, USB to DB9, RS232 Converter 9-Pin FTDI Chipset for Windows , Mac OS and Linux - Walmart.com
Amazon.com: DTech USB to Serial Adapter RS485 RS422 R232 (3 in 1 Interface) Supports DC 5V with Breakout Board LED Lights for Multi-Kind Control Devices Windows 11 10 8 7 XP Mac (5ft) : Electronics
Anewtech Systems - SY-Multi-8U RS232 - Industrial Serial Device - Serial USB Converter - SystemBase
SystemBase Multi-1/USB RS232 | USB to RS232 converter
