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3ft (0.9m) USB 2.0 USB-C to DB9 Serial RS232 Adapter Cable

#29470 C2G
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$21.99 $32.99 MSRP USD

This USB-C to DB9 Serial RS232 adapter is an ideal solution for connecting a Serial RS232 device to a USB Type-C port. The adapter allows point-of-sale terminals, serial modems, industrial equipment, and other serial RS232 peripherals to interface directly with a USB Type-C port. This adapter has a data transfer rate of over 230 kbps and uses no IRQs, so there are no IRQ conflicts. Multiple adapters may be used on a single computer allowing multiple serial devices to be connected simultaneously. This adapter cable is a perfect accessory for Microsoft® Surface® products and other leading laptops.

Discover more connectivity solutions for the Microsoft Surface
Connector 1:
(1) USB-C Male
Connector 2:
(1) DB9 Male
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575 In Stock

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  • Add serial device support through a USB Type-C port
  • Reversible, symmetrical USB-C connector
  • Compact, lightweight design
  • Compatible with the Microsoft® Surface® Book 2 and Surface Go
  WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov


General Info
Product Line C2G
UPC Number 757120294702
Country Of Origin China
Features RS232
Application Sector Commercial, Residential
Warranty Type 5-Year
Type Active Device, Adapter, Cable
Product Length US 3.0 FT
Cable Length 3 ft
Technical Information
Jacket Material PVC (Polyvinyl Chloride)
Wire Gauge 28 AWG
Cable Type Adapter, Serial, USB
Cable Diameter 4.5 mm
Data Transfer Rate 480 Mbps


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Questions & Answers

can this cable be used to connect an iOS app on an iPad to an external device ?

Asked by: matiaz
Yes it can. As long as the correct driver software is loaded onto the device which is available on the Product page for this item on Cablestogo.com website.
Answered by: Tommy
Date published: 2024-04-02

Is this adapter compatible with Windows 11?

Asked by: Mark
If it was purchased before around April 2023 then the chipset does not list a driver for windows 11, however our newer chipset works with windows 11
Answered by: Thomas
Date published: 2023-06-20

Can this support outbound power to the connected USB device to charge?

Asked by: ronf
This only connects a USB source to a VGA/DB9 device. There is no charging that occurs on the DB9 end
Answered by: Thomas
Date published: 2023-08-08
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