StarTech.com 1 Port FTDI USB to Serial RS232 Adapter Cable with COM Retention

$44.06
$33.21 SAVE $10.85
742 availableas of 09/19/2026

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Compliance, certifications and origin

  • TAA compliant
  • EU RoHS
  • REACH
  • WEEE
  • RoHS
  • Origin: Taiwan
Rated excellent by our customers Read our reviews

Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

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Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

Overview

About the StarTech.com 1 Port FTDI USB to Serial RS232 Adapter Cable with COM Retention

The ICUSB2321F 1-Port USB to Serial RS232 Adapter Cable with FTDI chipset and COM Retention converts an available USB 1.1 or 2.0 port into an RS232 serial DB9 port to connect, monitor and control your serial devices.

This compact adapter features COM retention, allowing the same COM port value to automatically be re-assigned to the port if the cable is disconnected and re-connected to the host computer, or if the system is rebooted. The ICUSB2321F uses the FTDI chipset which supports additional customization, advanced features, and compatibility not necessarily offered by other solutions.

Compatibility with a broad list of Operating Systems including Windows®, Windows CE, Mac OS and Linux, makes this product easy to integrate into mixed environments.

Backed by a StarTech.com 2-year warranty and free lifetime technical support. The ICUSB2321F 1-Port USB to Serial RS232 Adapter Cable with FTDI chipset and COM Retention converts an available USB 1.1 or 2.0 port into an RS232 serial DB9 port to connect, monitor and control your serial devices. This compact adapter features COM retention, allowing the same COM port value to automatically be re-assigned to the port if the cable is disconnected and re-connected to the host computer, or if the system is rebooted. The ICUSB2321F uses the FTDI chipset which supports additional customization, advanced features, and compatibility not necessarily offered by other solutions. Compatibility with a broad list of Operating Systems including Windows®, Windows CE, Mac OS and Linux, makes this product easy to integrate into mixed environments. Backed by a StarTech.com 2-year warranty and free lifetime technical support.

The ICUSB2321F 1-Port USB to Serial RS232 Adapter Cable with FTDI chipset and COM Retention converts an available USB 1.1 or 2.0 port into an RS232 serial DB9 port to connect, monitor and control your serial devices.

This compact adapter features COM retention, allowing the same COM port value to automatically be re-assigned to the port if the cable is disconnected and re-connected to the host computer, or if the system is rebooted. The ICUSB2321F uses the FTDI chipset which supports additional customization, advanced features, and compatibility not necessarily offered by other solutions.

Compatibility with a broad list of Operating Systems including Windows®, Windows CE, Mac OS and Linux, makes this product easy to integrate into mixed environments.

Backed by a StarTech.com 2-year warranty and free lifetime technical support.

More from the manufacturer

Technical specifications

Technical Specifications of the StarTech.com 1 Port FTDI USB to Serial RS232 Adapter Cable with COM Retention

General Information

General Information specifications
Manufacturer StarTech.com
Manufacturer Part Number ICUSB2321F
Manufacturer Website Address http://www.startech.com
Brand Name StarTech.com
Product Name 1 Port FTDI USB to Serial RS232 Adapter Cable with COM Retention
Packaged Quantity 1 Each
Product Type Data Transfer Adapter

Technical Information

Technical Information specifications
Connector Gender on First End Male
Connector Type on First End DB-9 RS-232 Serial - Male
Connector on First End Details 1 x 9-pin DB-9 RS-232 Serial - Male
Connector Type on Second End USB 2.0 Type A - Male
Connector Gender on Second End Male
Connector on Second End Details 1 x USB 2.0 Type A - Male
Cable Length 6 ft

Physical Characteristics

Physical Characteristics specifications
Color Family Black
Product Color Black
Product Material Plastic
Weight (Approximate) 3.17 oz

Miscellaneous

Miscellaneous specifications
Package Contents
  • 1 Port FTDI USB to Serial RS232 Adapter Cable with COM Retention
  • 1 x Driver CD
  • 1 x Instruction Manual
Operating System Compatibility Windows Server 2012Windows 2000 ServerWindows Server 2016Windows 7Windows XPmacOS Catalina 10.15Windows 8.1Windows VistaWindows XP EmbeddedWindows Server 2022Windows Server 2008 R2Windows 98 Second EditionmacOS Monterey 12.0Windows Server 2019Windows Server 2012 R2Windows CE 6.0Linux Kernel 3.0.x+ LTSWindows 11Mac OS X 10.6 Snow LeopardWindows CE 5.0Windows Server 2003Windows 10macOS Big Sur 11.0Windows 8Windows CE 4.2macOS Ventura 13.0
Additional Information OS Compatibility:
  • Windows® CE (4.2, 5.0, 6.0), XP Embedded, 98SE, 2000, XP, Vista, 7, 8, 8.1, 10
  • Windows Server® 2003, 2008 R2, 2012, 2012 R2, 2016, 2019
  • Mac OS® 10.6 to 10.14
  • Linux 2.4.x to 4.11.x LTS Versions only
Certifications & Standards

FCC

Green Compliant Yes
Green Compliance Certificate / Authority EU RoHS
Country of Origin Taiwan
TAA Compliant Yes
Environmental Compliance Registration, Evaluation, Authorization and Restriction of Chemicals (REACH)Waste Electrical and Electronic Equipment Directive (WEEE)Restriction of Hazardous Substances (RoHS) 2
End of Life Manual Availability Yes
EU RoHS Declaration URL https://media.startech.com/cms/pdfs/icusb2321f_rohs.pdf
REACH Declaration URL https://media.startech.com/cms/pdfs/icusb2321f_rohs.pdf
REACH free of SVHC Yes
WEEE Statement https://media.startech.com/cms/pdfs/icusb2321f_weee.pdf

Warranty

Warranty specifications
Limited Warranty 2 Year

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Free shipping on most items when you spend $100 or more. In-stock items ship on the next open shipment slot. The buy box above shows the live order-by countdown and the estimated arrival date.

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