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USB-C to Serial Adapter with COM Retention

Add a serial port with this USB C to serial with COM port retention

Product ID: ICUSB232PROC

  • USB-C to straight-through RS232 DB9 serial adapter
  • High-speed 921.6Kbps Baud Rate
  • COM port assignments maintained across reboot
View More
  • Supports remote wake up and power management control
  • Compatible with Windows®, macOS® and Linux
  • Provides dual buffers for upstream and downstream data transfer
  • USB-Powered - no external power adapter required
$50.99 AUD exc GST
$56.09 AUD inc GST
Not Available
May be in stock with partners
Where To Buy
From a Partner

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Overview

This USB-C™ to serial adapter lets you connect your USB-C devices to your legacy serial equipment. It converts a USB-C port on your laptop or computer into an RS232 DB9 serial port with COM port retention. This gives you a cost-saving and convenient way to connect to serial devices such as point-of-sale terminals, serial modems, industrial equipment, and a wide variety of other RS232 peripherals.

Connect with ease

The RS232 adapter cable is compatible with Windows®, macOS and Linux® operating systems, which makes it easy to integrate into mixed environments.

Built-in convenience

A time-saving and convenient USB/serial solution, the adapter retains assigned serial COM port values in nonvolatile memory, allowing the same values to automatically be re-assigned to the adapter serial port if disconnected and reconnected, or disconnected from one USB port and installed in another.

The USB-C serial cable also supports advanced features like remote wake-up and power management control.

The ICUSB232PROC is backed by a StarTech.com 2-year warranty and free lifetime technical support.

Applications

Perfect for IT Administrators looking to add legacy functionality to newer notebooks, PCs and servers that lack an integrated RS232 port

Connect, monitor and control industrial/automotive sensors and equipment

Connect bar code scanners, receipt printers and other point-of-sale devices

Connect a satellite receiver, serial modem, or PDA with serial sync

Connect and program LED and digital signage boards with serial communication ports

Technical Specifications

Warranty Information
Warranty 2 Years
Hardware
Bus Type USB-C
Chipset ID Prolific - PL2303RA
Industry Standards USB 1.1/2.0 RS232
Interface Serial
Port Style Cable Adapters
Ports 1
Performance
Data Bits 5, 6, 7, 8
FIFO 512 Bytes
Flow Control None, Xon/Xoff, RTS/CTS, DTR/DSR
Max Baud Rate 921.6 Kbps
MTBF 30,000 Hours
Parity Odd, Even, Mark, Space, or None Parity Modes
Serial Protocol RS-232
Stop Bits 1, 1.5, 2
Connector(s)
Connector Type(s) 1 - USB Type-C (24-pin) USB 2.0 Male
1 - DB-9 (9 pin, D-Sub) Male
Software
OS Compatibility Windows® 7, 8.1, 10
Windows Server® 2008 R2, 2012 R2, 2016
Mac OS X® 10.11 and 10.13
Linux 2.6.x to 4.4.x LTS Versions only
Special Notes / Requirements
System and Cable Requirements One available USB-C port
Power
Power Source USB-Powered
Environmental
Humidity 5~85% RH
Operating Temperature -10°C to 80°C (14°F to 176°F)
Storage Temperature -20°C to 100°C (-4°F to 212°F)
Physical Characteristics
Color Black
Product Height 0.8 in [20 mm]
Product Length 16.9 in [428 mm]
Product Weight 1.3 oz [36 g]
Product Width 1.4 in [35 mm]
Packaging Information
Shipping (Package) Weight 1.9 oz [54 g]
What's in the Box
Included in Package 1 - serial adapter cable
1 - quick-start guide

Compatibility

View full OS compatibility
Windows® 7, 8.1, 10
Windows Server® 2008 R2, 2012 R2, 2016
Mac OS X® 10.11 and 10.13
Linux 2.6.x to 4.4.x LTS Versions only

Certifications

Related Products

USB-C to Serial Adapter
ICUSB232C
USB-C to Serial Adapter

Connect an RS232 (DB9) peripheral to your USB-C device

$44.99 exc GST
$49.49 inc GST
USB to RS232 DB9 Serial Adapter Cable with COM Retention
ICUSB232PRO
1 ft USB to RS232 Serial DB9 Adapter Cable with COM Retention

Add an RS-232 serial port to your laptop or desktop computer through USB; features COM port retention

$36.99 exc GST
$40.69 inc GST

Product Support

Frequently Asked Questions

Troubleshooting

When you troubleshoot issues with a serial device, there are some quick tests that you can complete to rule out potential problems. You can test to make sure that the following components are working correctly and are not the source of the issue:

  • Serial cables

  • Serial ports

  • Serial devices

To test your setup components, try the following:

  • Use the serial cable, serial port, and serial device in another setup to see if the problem is with the components or the setup.

  • Use a different serial cable, serial port, and serial device in your setup to see if the problem persists. Ideally, you should test a component that you know works in another setup.

When you test your cables, it is recommended that you do the following:

  • Test each cable individually.

  • Use short cables when you are testing.

When you test the serial ports and serial device, it is recommended that you do the following:

Note: Some serial devices work only if the COM port number is between a certain range. For example, COM1 to COM4.

To check whether or not an RS-232 serial port is working, perform an RS-232 loopback test by doing the following:

  1. If your serial port is not female, convert it by taking a female/female cable or gender changer and plugging it into the serial port.
  2. Take a metal paperclip or wire and cross pins 2 and 3. If you look closely at the female end, the pins should be numbered.
  3. Open a telnet session on the COM port number of the device that you are testing. To find out the COM port number, refer to the following FAQ: https://www.startech.com/faq/com-port-listing-windows.

Note: To open a telnet session on the COM port, you need a telnet client like PuTTY or Hyper Terminal. Windows XP comes with Hyper Terminal.

  1. When the session is open, anything you type into it you should see. The loopback test fails when you cannot see what you are typing.

If the loopback test fails, make sure that the serial cable or gender changer that you are using works and that the adapter is in the correct port. 

You can check multiple ports at the same time by opening multiple sessions, putting the loopback adapter on one port, and trying to type into each session.  When you can see what you are typing, you know that the COM port is working and you can see which port number the physical serial port is. Close the window for the port that you just tested to speed up the testing of the remaining serial ports.

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