1 Port FTDI USB to RS232 Serial Adapter Cable
with Optical Isolation
ICUSB2321FIS
DE: Bedienungsanleitung - de.startech.com
FR: Guide de l'utilisateur - fr.startech.com
ES: Guía del usuario - es.startech.com
IT: Guida per l'uso - it.startech.com
NL: Gebruiksaanwijzing - nl.startech.com
PT: Guia do usuário - pt.startech.com
For the most up-to-date information, please visit: www.startech.com
Manual Revision: 11/29/2011
*actual product may vary from photos
FCC Compliance Statement
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment
o and on, the user is encouraged to try to correct the interference by one or more of the following
measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit dierent from that to which the receiver is
connected.
• Consult the dealer or an experienced radio/TV technician for help.
Use of Trademarks, Registered Trademarks, and other Protected Names and Symbols
This manual may make reference to trademarks, registered trademarks, and other protected names
and/or symbols of third-party companies not related in any way to StarTech.com. Where they
occur these references are for illustrative purposes only and do not represent an endorsement of
a product or service by StarTech.com, or an endorsement of the product(s) to which this manual
applies by the third-party company in question. Regardless of any direct acknowledgement
elsewhere in the body of this document, StarTech.com hereby acknowledges that all trademarks,
registered trademarks, service marks, and other protected names and/or symbols contained in this
manual and related documents are the property of their respective holders.
Instruction Manual
Table of Contents
Introduction ........................................................................................................ 1
Packaging Contents ......................................................................................................................................................1
System Requirements ...................................................................................................................................................1
ICUSB2321FIS View ........................................................................................................................................................ 2
Installation .......................................................................................................... 3
Hardware Installation ...................................................................................................................................................3
Verifying Installation .....................................................................................................................................................5
Pinout ................................................................................................................... 5
Specications ...................................................................................................... 6
Technical Support .............................................................................................. 7
Warranty Information ........................................................................................ 7
Instruction Manual
i
Introduction
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 oered by most other solutions.
Packaging Contents
• 1 x USB to Serial Adapter
• 1 x Driver CD
• 1 x Instruction Manual
System Requirements
• USB enabled computer system with available USB port
• Microsoft® Windows® 2000/XP/Vista/Server 2003/Server 2008 R2/7 (32/64-bit),
Windows CE 4.2 or later, or Apple® Mac OS® 9.x/10.x, or Linux®
Instruction Manual
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