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
Features
USB to Straight-Through RS232 Serial Adapter
Supports data transfer rates of up to 920kpbs
COM Port assignments maintained across reboot
Powered by an available USB port - no external power adapter required
Provides dual buffers for upstream and downstream data transfer
Supports remote wake up and power management control
Supports automatic handshake mode
ID: ICUSB232PRO
In stock:
?
USA:
1616 | Canada:
269
We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our US warehouse isn’t enough to fulfill your order, we will transfer the required stock from our Canadian warehouse.
Same Day Shipping on in-stock items from USA if ordered by 5pm ET*
Reseller Pricing: Create an Account
Volume Order? Request a quote
The ICUSB232PRO 1 ft USB to RS232 Serial DB9 Adapter Cable with COM Retention offers a professional grade solution for connecting legacy or industrial RS232 serial devices to a laptop or desktop computer through USB - eliminating the expense of upgrading serial peripherals for compatibility.
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 assigned to the adapter serial port if disconnected and reconnected, or disconnected from one USB port and installed in another.
A versatile connectivity solution that bridges legacy serial peripheral devices with newer USB-capable computers, the USB to Serial adapter offers broad operating system compatibility including Windows®, Linux and Mac OS, for easy integration into mixed environments.
Backed by a StarTech.com 2-year warranty and free lifetime technical support.
The StarTech.com Advantage
- COM port settings are retained for serial devices plugged into different USB ports saving time
- Easy plug and play installation with our USB Powered adapter - no power outlet required
Common Customer Questions
Compatible With
View full OS compatibility
Windows® PocketPC 2003 / 2000, Windows Mobile 5/6, CE 4.2/5.2, Embedded System 2009, XP Embedded, POS Ready 2009, 98SE, 2000, ME, XP, Vista, 7, 8, 8.1, 10
Windows Server® 2003, 2008 R2, 2012, 2016
Mac OS X® 10.6 to 10.13
Linux 2.4.x to 4.11.x LTS Versions only
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
Product Numbers
| TechData Dis | 11267334 |
| ASI Distribution USA | 82862 |
| D and H | ICUSB232PRO |
| Ingram Micro USA | K51770 |
| Synnex US | STA-ICUSB232PRO |
| UPC Code | 065030820080 |
| Warranty Information | |
|---|---|
| Warranty | 2 Years |
| Hardware | |
| Bus Type | USB 2.0 |
| Chipset ID | Prolific - PL2303 |
| Interface | Serial |
| Port Style | Cable Adapters |
| Ports | 1 |
| Performance | |
| Max Baud Rate | 921.6 Kbps |
| Serial Protocol | RS-232 |
| Connector(s) | |
| Connector Type(s) | 1 - DB-9 (9 pin, D-Sub) Male |
| 1 - USB Type-A (4 pin) USB 2.0 Male | |
| Software | |
| OS Compatibility | Windows® PocketPC 2003 / 2000, Windows Mobile 5/6, CE 4.2/5.2, Embedded System 2009, XP Embedded, POS Ready 2009, 98SE, 2000, ME, XP, Vista, 7, 8, 8.1, 10 Windows Server® 2003, 2008 R2, 2012, 2016 Mac OS X® 10.6 to 10.13 Linux 2.4.x to 4.11.x LTS Versions only |
| Special Notes / Requirements | |
| System and Cable Requirements | PC with an available USB 1.1 (or above) port |
| 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 | |
| Cable Length | 1 ft [0.3 m] |
| Color | Black |
| Enclosure Type | Plastic |
| Product Height | 0.6 in [15 mm] |
| Product Length | 15.7 in [400 mm] |
| Product Weight | 2.5 oz [70 g] |
| Product Width | 1.3 in [34 mm] |
| Packaging Information | |
| Shipping (Package) Weight | 0.3 lb [0.1 kg] |
| What's in the Box | |
| Included in Package | 1 - USB to Serial Adapter |
| 1 - Driver CD | |
| 1 - Instruction Manual | |
1 Port FTDI USB to Serial RS232 Adapter Cable with COM Retention
Add an RS232 serial port with COM retention to your laptop or desktop computer through USB
$29.99
1 Port USB to RS232 DB9 Serial Adapter Cable - M/M
Add an RS232 serial port to your laptop or desktop computer through USB
$18.99
USB to RS232 DB9/DB25 Serial Adapter Cable - M/M
Add an RS232 serial port to a notebook or desktop computer with this Plug-and Play USB adapter cable
$20.99
1 Port FTDI USB to Serial RS232 Adapter Cable with Optical Isolation
Add an RS232 serial port with circuit isolation to your laptop or desktop computer, through USB
$129.99
1 Port Professional USB to Serial Adapter Cable with COM Retention
Add one serial RS-232 port with com retention to any laptop or computer with a USB port
$43.99
3ft USB to RS232 DB9 Serial Adapter Cable - M/M
Add an RS232 serial port to your laptop or desktop computer through USB
$28.99
1 Port Industrial USB to RS232 Serial Adapter with 5KV Isolation and 15KV ESD Protection
Add a galvanically isolated RS232 serial port with ESD protection through a USB port - DIN Rail Mountable
$92.99
Micro USB to RS232 DB9 Serial Adapter Cable for Android with USB Charging - M/M
Add an RS232 serial port to your Android smartphone or tablet device through Micro USB with USB charging capabilities
$41.99
1 Port USB to RS232 DB9 Serial Adapter with Detachable 6ft USB A to B Cable
Add an RS232 serial port to your laptop or desktop computer through a detachable USB cable
$17.99
3 ft 1s1p USB to Serial Parallel Port Adapter Cable
Add one RS232 Serial, and one IEEE 1284 Parallel port to your computer through a single USB connection
$37.99
2 Port Wall Mountable USB to Serial Adapter Hub with COM Retention
Add 2 serial RS-232 ports to any laptop or computer with a USB port
$62.99
2 Port USB to RS232 Serial DB9 Adapter Cable
Add 2 serial RS-232 ports to any laptop or computer with a USB port
$46.99
2 Port FTDI USB to Serial RS232 Adapter Cable with COM Retention
Add two RS232 serial ports with COM retention to your laptop or desktop computer through USB
$65.99
2 Port Industrial Wall Mountable USB to Serial Adapter Hub with DIN Rail Clips
Add 2 DIN Rail-mountable RS232 Serial ports to any system through USB
$71.99
4 Port USB to RS232 Serial DB9 Adapter Hub
Add four RS232 serial ports to any notebook or desktop computer using a single USB port
$92.99
4 Port USB to DB9 RS232 Serial Adapter Hub – Industrial DIN Rail and Wall Mountable
Add 4 DIN Rail-mountable RS232 Serial ports to any system through USB
$115.99
4 Port Wall Mountable USB to Serial Adapter Hub with COM Retention
Add 4 serial RS-232 ports to any laptop or computer with a USB port
$109.99
8 Port USB to RS232 Serial DB9 Adapter Hub
Add eight RS232 serial ports to any notebook or desktop computer using a single USB port
$215.99
8 Port USB to DB9 RS232 Serial Adapter Hub – Industrial DIN Rail and Wall Mountable
Add 8 DIN Rail-mountable RS232 Serial ports to any system through USB
$191.99
8-Port USB-to-Serial Adapter Hub
Convert a single USB port into eight serial ports, and connect multiple hubs together for a scalable solution
$268.99
16-Port USB-to-Serial Adapter Hub
Convert a USB port into 16 RS232 serial ports in an industrial rack-mountable chassis - and daisy chain multiple hubs for a scalable solution
$446.99
16 Port Rackmount FTDI USB to Serial COM Adapter Hub - RS232 Multiplexer
Convert a Single USB Port into 16 RS232 Serial Ports in a Hardened Industrial-grade Rack-mountable Chassis
$399.99
2 Port Industrial USB to Serial RJ45 Adapter - Wallmount and DIN Rail
Add two RS232 serial RJ45 connections to a PC or Server through USB, with this DIN Rail and wall-mountable adapter
$71.99
1 Port USB to Null Modem RS232 DB9 Serial DCE Adapter Cable with FTDI
Add a Null Modem RS232 serial port to your laptop or desktop computer through USB
$31.99
2 Port USB to RS232 RS422 RS485 Serial Adapter with COM Retention
Add RS232, RS422 and RS485 support to your laptop or desktop computer via USB
$109.99
USB 2.0 Cables (3)
3 ft Black USB 2.0 Extension Cable A to A - M/F
Extends the length of your current USB device cable by 3 feet
$6.99
6 ft Black USB 2.0 Extension Cable A to A - M/F
Extends the length of your current USB device cable by 6 feet
$6.99
10 ft Black USB 2.0 Extension Cable A to A - M/F
Extends the length of your current USB device cable by 10 feet
$8.99
DB9 Cables & DB25 Cables (9)
0.5m Black Straight Through DB9 RS232 Serial Cable - M/F
Extend the connection between your DB9 serial devices by up to 0.5m
$6.99
1m Black Straight Through DB9 RS232 Serial Cable - M/F
Extend the connection between your DB9 serial devices by up to 1m
$6.99
2m Black Straight Through DB9 RS232 Serial Cable - M/F
Extend the connection between your DB9 serial devices by up to 2m
$7.99
3m Black Straight Through DB9 RS232 Serial Cable - M/F
Extend the connection between your DB9 serial devices by up to 3m
$8.99
1m Black DB9 RS232 Serial Null Modem Cable F/M
Connect your serial devices, and transfer your files
$6.99
2m Black DB9 RS232 Serial Null Modem Cable F/M
Connect your serial devices, and transfer your files
$7.99
15 ft Straight Through Serial Cable - DB9 M/F
Extend the connection between your DB9 serial devices by up to 15ft
$9.99
10 ft Straight Through Serial Cable - M/F
Extend your EGA monitor cable or mouse cable by 10ft
$7.99
Share your opinions about this product
Thanks for sharing your opinions about the ICUSB232PRO. When writing your review, please focus on the performance and quality of this product. Your comments will help guide others. If possible, include examples of how you use the product, things you like or things you wish were different about it.
We're here to help
If you need support or you want to comment on parts of your purchase experience aside from the quality or performance of the product such as shipping or any technical/customer support issue, etc., we’d be happy to help you through Live Chat, our support form or by phone.
Reviews
Rating Snapshot
| 5 ★ | 1 | |
| 4 ★ | 0 | |
| 3 ★ | 0 | |
| 2 ★ | 0 | |
| 1 ★ | 0 |
Average Customer Ratings
| Overall |
|
| Quality of Product |
Works Great Windows 10
Like all Startech products, it works. I installed the driver, it asks me to reboot, I did (be sure you do) and I plugged it in to my USB port on my HP Spectra x360 and it works. One other mention, the quality. The Startech product looks good, feels sturdy, and made of solid material. I write this review because few companies have great products, even better support, and seem to care like these folks.
Frequently Asked Questions
Installation:
- I am receiving an error when I try to install the drivers in Windows 8 64 bit. What do I do?
- I am receiving an error when I try to install the drivers in Windows 8.1 64 bit. What do I do?
- I am receiving an error when I try to install the drivers in Windows 10 64 bit. What do I do?
- How do I install my serial card in Windows Vista / 7 / 8? (.exe method)
- How do I install my USB serial adapter in Windows XP? (.exe method)
How to:
- How do I confirm that Windows detects my USB device?
- How can I check if my USB device is properly detected by Mac OS?
Troubleshooting:
- Everything is hooked up but nothing is working. What should I do?
- How can I make sure my serial port is working in Windows?
- Why does my USB device stop working after my computer wakes back up from sleep mode in Windows?
Drivers & Downloads
Driver(s):
-
[Prolific_PL2303] Windows USB Serial Adapter.zip
Version: 1.19.0 -
[Prolific_PL2303] Mac USB Serial Adapter.zip
Version: 1.6.1 - Mac_Release_Notes.txt
- [Prolific_PL2303] Linux USB Serial Adapter.zip
Manual(s):
-
ICUSB232PRO.pdf
English Compliance Letter(s):
- Country of Origin (COO)
- Letter of Conformity (LOC)
- Waste Electrical and Electronic Equipment Directive (WEEE)
Data Sheet(s):
-
ICUSB232PRO_Datasheet.pdf
English
* Product appearance and specifications are subject to change without notice.
* Same day shipping is only available for orders shipping within the United States.
Startech.com - 1 ft USB to RS232 Serial DB9 Adapter Cable with COM Retention

























2500 Creekside Parkway, Suite 100
Follow us on Twitter | Find us on Google+