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STARTECH.COM

STARTECH.COM ICUSB2321FIS

USB to Serial Adapter - Optical Isolation - USB Powered - FTDI USB to Serial

MPNICUSB2321FISAdaptersUpdated

Key facts

Part number
ICUSB2321FIS
Brand
STARTECH.COM
Category
Adapters
Price
AUD 300.29≈ USD 210 RRP
Availability
On request — ask for a quote

The STARTECH.COM ICUSB2321FIS is an adapter listed in the Prology Parts Index. RRP AUD 300.29≈ USD 210 (Oct 2026). Request a quote for volume pricing, or sell us your used adapters.

Overview

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.

Specifications

General

Weight (Approximate)
107.7 g
Product Color
Black
Certifications & Standards
CEFCCWHQL
Environmentally Friendly
Yes

Windows 8.1

TAA Compliant
Yes
Cable Length
2.50 m
Features
Surge Protection
Connector Type on First End
DB-9 RS-232 Serial - Male
Connector Type on Second End
USB 2.0 Type A - Male
Connector Gender on First End
Male
Connector Gender on Second End
Male
Product Type
Data Transfer Adapter

Manufacturer Website Address

Product Name
1 Port FTDI USB to Serial RS232 Adapter Cable with Isolation

Price history

Latest
AUD 300.29≈ USD 210
Oct 2026
Lowest recorded
AUD 300.29≈ USD 210
Highest recorded
AUD 300.29≈ USD 210
Recorded
2026
1 price point

AUD 300.29 rrp, recorded

Why buy from Prology

  • Tested before dispatchEvery item is checked by our technicians before it ships.
  • Warranty includedParts are covered by a Prology warranty – ask us for the terms.
  • Fast shippingDispatched from our Australian and US locations.
  • Real people, quick repliesQuotes and answers within 1 business day.

Request a quote for ICUSB2321FIS

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More STARTECH.COM Adapters

All STARTECH.COM parts starting with “I” · All STARTECH.COM part numbers

We buy it

Have this part spare? We buy it

Prology buys used and surplus adapters – including ICUSB2321FIS. Sell outright or trade in against your next order. Offer within 1 business day.