StarTech.com 6 ft Professional RS422/485 USB Serial Cable Adapter w/ COM Retention

$80.96
$69.32 SAVE $11.64
190 availableas of 09/19/2026

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Should arrive by Thu, Oct 1 with free ground shipping

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 6 ft Professional RS422/485 USB Serial Cable Adapter w/ COM Retention

The ICUSB422 6ft Professional RS422/485 USB Serial Cable Adapter with COM Port Retention lets you connect RS422 or RS485 serial devices to your USB-enabled computer. The adapter features a 9-pin (DB9) male serial connector as well as dipswitch controls for easy port configuration, and requires minimal software.

The serial adapter is USB-powered, eliminating the aggravation of requiring an external power adapter. With COM port retention, assigned port settings are saved, so you can disconnect and reconnect the adapter with virtually no configuration required on the host computer.

The ICUSB422 is backed by a StarTech.com 2-year warranty and free lifetime technical support. The ICUSB422 6ft Professional RS422/485 USB Serial Cable Adapter with COM Port Retention lets you connect RS422 or RS485 serial devices to your USB-enabled computer. The adapter features a 9-pin (DB9) male serial connector as well as dipswitch controls for easy port configuration, and requires minimal software. The serial adapter is USB-powered, eliminating the aggravation of requiring an external power adapter. With COM port retention, assigned port settings are saved, so you can disconnect and reconnect the adapter with virtually no configuration required on the host computer. The ICUSB422 is backed by a StarTech.com 2-year warranty and free lifetime technical support.

The ICUSB422 6ft Professional RS422/485 USB Serial Cable Adapter with COM Port Retention lets you connect RS422 or RS485 serial devices to your USB-enabled computer. The adapter features a 9-pin (DB9) male serial connector as well as dipswitch controls for easy port configuration, and requires minimal software.

The serial adapter is USB-powered, eliminating the aggravation of requiring an external power adapter. With COM port retention, assigned port settings are saved, so you can disconnect and reconnect the adapter with virtually no configuration required on the host computer.

The ICUSB422 is 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 6 ft Professional RS422/485 USB Serial Cable Adapter w/ COM Retention

General Information

General Information specifications
Manufacturer StarTech.com
Manufacturer Part Number ICUSB422
Manufacturer Website Address http://www.startech.com
Brand Name StarTech.com
Product Name 6ft RS422/485 USB Serial Adapter 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-422 Serial - Male
Connector on First End Details 1 x 9-pin DB-9 RS-422 Serial - Male
Connector Type on Second End USB 1.1 Type A - Female
Connector Gender on Second End Female
Connector on Second End Details 1 x USB 1.1 Type A - Female
Cable Length 6 ft

Physical Characteristics

Physical Characteristics specifications
Color Family Black
Product Color Black
Weight (Approximate) 3.53 oz

Miscellaneous

Miscellaneous specifications
Package Contents
  • 6ft RS422/485 USB Serial Adapter with COM Retention
  • 1 x Driver CD
  • 1 x Instruction Manual
Operating System Compatibility Mac OS X 10.6 Snow LeopardmacOS Catalina 10.15Windows 8.1Windows XPWindows 2000 ServerWindows 98 Second EditionWindows CE 6.0Windows Server 2008 R2Windows Server 2012 R2Linux Kernel 3.0.x+ LTSWindows Server 2019macOS Monterey 12.0Windows Server 2003Windows 8Windows CE 4.2Windows 10Windows Server 2016Windows CE 5.0macOS Big Sur 11.0macOS Ventura 13.0Windows 11Windows Server 2012Windows VistaWindows 7Windows Server 2022Windows XP Embedded
Additional Information

Operating System(s):

  • Windows 8 / 7 / Vista / XP (32/64-bit)
  • Windows 2000
  • Windows CE (4.2+)
  • Windows Server 2008 R2
  • Windows Server 2003 (32/64-bit)
  • Mac OS v.9.x, v.10.x (Tested up to v.10.8)
  • Linux
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/icusb422_rohs.pdf
REACH Declaration URL https://media.startech.com/cms/pdfs/icusb422_rohs.pdf
REACH free of SVHC Yes
WEEE Statement https://media.startech.com/cms/pdfs/icusb422_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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Questions about shipping or returns? Chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.