STARTECH 

ICUSB2321FIS StarTech.com 1 Port FTDI USB to Serial RS232 Adapter Cable with Optical Isolation

Mfg Part Number:  ICUSB2321FIS  
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Price: $164.99 + Free Shipping
Quantity:
In Stock: 229
Last Updated: Aug 12, 2025
No Sales Tax except these states
, PO and Wire.

The ICUSB2321FIS 1-Port FTDI USB to Serial RS232 Adapter Cable with Optical Isolation converts an available USB 1.1 or 2.0 port into an RS232 DB9 port that can be used to connect, monitor and control your serial devices.

The USB to serial adapter features integrated optical isolation circuits and surge protection to protect your critical, sensitive control equipment against electrical damage, making it a viable solution for costly industrial serial devices.

The versatile FTDI chipset also supports COM retention, additional customization/features, and compatibility not offered by most other solutions. Broad operating system compatibility 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

Main Specification
General Information
Manufacturer StarTech.com
Manufacturer Part Number ICUSB2321FIS
Manufacturer Website Address http://www.startech.com
Brand Name StarTech.com
Product Name 1 Port FTDI USB to Serial RS232 Adapter Cable with Isolation
Packaged Quantity 1 Each
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 4-pin USB 2.0 Type A - Male
Features Surge Protection
Cable Length 8.20 ft
Physical Characteristics
Color Family Black
Product Color Black
Weight (Approximate) 3.80 oz
Miscellaneous
Package Contents
  • 1 Port FTDI USB to Serial RS232 Adapter Cable with Isolation
  • 1 x Driver CD
  • 1 x Instruction Manual
Operating System Compatibility macOS Catalina 10.15
Operating System Compatibility macOS Big Sur 11.0
Operating System Compatibility Mac OS X 10.6 Snow Leopard
Operating System Compatibility Windows Server 2012 R2
Operating System Compatibility Windows 8
Operating System Compatibility Windows 7
Operating System Compatibility Windows Server 2016
Operating System Compatibility Windows 11
Operating System Compatibility Windows Server 2019
Operating System Compatibility Windows Vista
Operating System Compatibility Windows 98 Second Edition
Operating System Compatibility Windows CE 6.0
Operating System Compatibility Linux Kernel 3.0.x+ LTS
Operating System Compatibility Windows XP Embedded
Operating System Compatibility Windows 10
Operating System Compatibility Windows CE 5.0
Operating System Compatibility macOS Ventura 13.0
Operating System Compatibility Windows Server 2022
Operating System Compatibility Windows Server 2008 R2
Operating System Compatibility Windows XP
Operating System Compatibility macOS Monterey 12.0
Operating System Compatibility Windows CE 4.2
Operating System Compatibility Windows Server 2003
Operating System Compatibility Windows 8.1
Operating System Compatibility Windows Server 2012
Operating System Compatibility Windows 2000 Server
Certifications & Standards
  • CE
  • FCC
  • WHQL
Country of Origin Taiwan
TAA Compliant Yes
Environmentally Friendly Yes
Environmental Compliance Restriction of Hazardous Substances (RoHS)
Environmental Compliance Waste Electrical and Electronic Equipment Directive (WEEE)
Environmental Compliance Registration, Evaluation, Authorization and Restriction of Chemicals (REACH)
Warranty
Limited Warranty 2 Year
product information
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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