FTDI Serial USB RS232 Adapter 4 port Din Rail Industrial - Shentek
WuT data sheet: Interface USB <> RS232/RS422/RS485 Industry
USB to RS-232 DB9 1-Port Serial Interface Adapter - Sealevel
USB to RS-232 interface converter - Technotrade LLC
FT232RL/CH343G USB TO RS232/485/TTL Interface Converter, Industrial Isolation
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EC2112 IFM R360/Interface/USB/CAN-RS232 Brand New Fastshipping | eBay
KLARK TEKNIK VNET USB RS232 Interface | AVGear.com
USB-C to Serial Adapter, RS232
Tannoy VNET USB RS232 Rack Mountable Interface
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C2G 1.5ft USB to Serial Cable - USB to DB9 Serial RS232 Cable - M/M - 26886 - USB Adapters - CDW.com
Programming Communication Cable Plc Usb Usb/rs232 Db9 3 New - AliExpress
Amazon.com: EZSync USB-to-RS232 Serial Interface Programming Control Cable for Meade Telescope, Connect to Hand Control, FTDI chip, 4P4C, RJ9/RJ10/RJ22, 6 feet, EZSync725 : Electronics
Interface Kit, RS232-USB
Multi USB-RS232-RS485-TTL Converter - DFRobot
USB RS232 Cables
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
Interface USB RS232 Interface Cable 2 | TOP-electronics
USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters | StarTech.com
W&T 38011 USB RS232 Interface Cable 2
Interface MK2.2b (VE.Bus to RS232) – NorEast Marine Systems
USB/RS-232 Card - 39063
RR-CirKits LCC®, UN8-BE, USB2.0 to RS232 Serial Cable