StarTech.com USB to RS232 serial adapter showing DB-9 connector and USB cable connection

Professional-Grade USB to Serial Connectivity with FTDI Reliability

The StarTech.com FTDI USB to Serial adapter showcases its robust build quality and professional design. The compact black housing features integrated strain relief and ventilation, while the gold-plated DB-9 connector ensures reliable data transmission. The FTDI chipset inside provides superior compatibility and performance for critical serial connections.

Technical Specifications

  • FTDI chipset for enhanced reliability and compatibility
  • Gold-plated DB-9 RS232 serial connector
  • Integrated strain relief for cable durability

Applications

  • Industrial equipment control and monitoring
  • Point-of-sale system connectivity
  • Legacy device integration
Close-up view of StarTech.com USB to serial adapter housing and DB-9 connector

Compact Design with Professional-Grade Construction

The adapter's thoughtful engineering is evident in its space-efficient form factor. The durable plastic housing protects the internal components while maintaining a lightweight profile. Ventilation slots ensure optimal thermal management during extended operation.

Technical Specifications

  • Compact form factor for space-constrained installations
  • Ventilated housing design for thermal management
  • Durable plastic construction

Applications

  • Server room serial console access
  • Manufacturing equipment integration
  • Laboratory instrument connectivity
Detailed view of USB Type-A connector on StarTech.com serial adapter cable

Universal USB 2.0 Compatibility

The USB Type-A connector ensures broad compatibility with existing infrastructure. Supporting both USB 2.0 and 1.1 standards, this adapter delivers reliable connectivity across various systems and platforms.

Technical Specifications

  • USB 2.0 and 1.1 compatible
  • Standard Type-A USB connector
  • Hot-swappable connection capability

Applications

  • Quick deployment in varied environments
  • Cross-platform system integration
  • Mobile technical support applications
Angled view of StarTech.com USB to serial adapter showing cable and connections

Professional Cable Management Solution

The 6-foot cable length provides flexible installation options while maintaining signal integrity. The molded strain relief and quality cable jacket ensure durability in demanding professional environments.

Technical Specifications

  • 6-foot cable length for flexible deployment
  • High-quality cable jacketing
  • Enhanced strain relief design

Applications

  • Data center cable management
  • Industrial control panel integration
  • Network infrastructure maintenance
Complete package contents of StarTech.com USB to serial adapter including cable, manual, and box

Complete Professional Solution with Documentation

The comprehensive package includes everything needed for immediate deployment. The included driver CD and detailed manual ensure smooth implementation across supported operating systems. The professional packaging reflects the enterprise-grade quality of the solution.

Technical Specifications

  • Includes driver CD for multiple OS support
  • Comprehensive installation manual
  • Professional retail packaging

Applications

  • Enterprise-wide deployment
  • System integration projects
  • IT infrastructure upgrades

Product details

General Information
Manufacturer

StarTech.com

Manufacturer Part Number

ICUSB2321F

Brand Name

StarTech.com

Product Name

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

Packaged Quantity

1

Product Type

Data Transfer Adapter

Technical Information
Connector Type on First End

DB-9 RS-232 Serial - Male

Connector Gender on First End

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
Product Color

Black

Product Material

Plastic

Weight (Approximate)

3.17 oz

Miscellaneous
Package Contents

  • 1 Port FTDI USB to Serial RS232 Adapter Cable with COM Retention
  • 1 x Driver CD
  • 1 x Instruction Manual

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

<p>FCC</p>

Environmentally Friendly

Yes

Environmental Certification

WEEE
RoHS
REACH

Country of Origin

Taiwan

TAA Compliant

Yes

Warranty
Limited Warranty

2 Year

Included in the Box

  • icon_list|Main unit|Lift Ergo Mouse Main unit icon

    USB Adapter Cable - Main unit

FAQs

What is the main purpose of the StarTech.com ICUSB2321F adapter cable?
The StarTech.com ICUSB2321F is a USB to Serial RS232 adapter cable that converts a USB 1.1 or 2.0 port into an RS232 serial DB9 port. Its primary purpose is to connect, monitor, and control serial devices through a USB port on your computer. The adapter features COM retention, which maintains the same COM port assignment even after disconnection or system reboot.
What operating systems is this adapter compatible with?
The adapter is compatible with a wide range of operating systems including: Windows CE (4.2, 5.0, 6.0), Windows XP Embedded, Windows 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, and Linux 2.4.x to 4.11.x (LTS versions only). This broad compatibility makes it ideal for use in mixed computing environments.
What is COM retention and why is it important?
COM retention is a key feature that automatically reassigns the same COM port value to the adapter if it's disconnected and reconnected to the host computer, or if the system is rebooted. This is particularly important for applications that rely on consistent COM port assignments, as it eliminates the need to reconfigure software settings each time the adapter is reconnected.
What are the physical specifications of the adapter cable?
The adapter cable is 6 feet (1.83 meters) long and weighs approximately 3.17 ounces. It features a DB-9 RS-232 Serial Male connector on one end and a USB 2.0 Type A Male connector on the other end. The cable is black in color and constructed with durable plastic materials.
What comes included in the package?
The package includes three main components: the 1 Port FTDI USB to Serial RS232 Adapter Cable with COM retention, a driver CD for easy installation, and a comprehensive instruction manual. This complete package ensures users have everything needed for quick setup and operation.

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