StarTech.com ICUSB422 Manuel utilisateur

Manual Revision: 11/05/2012

For the most up-to-date information, please visit: www.startech.com

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

ICUSB422

6ft RS422 RS485 USB to Serial Cable

Adapter w/ COM Retention

*actual product may vary from photos

Instruction Manual

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 dierent 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

Installation ..............................................................................................1

Hardware Installation .............................................................................................................................. 1

Driver Installation ...................................................................................................................................... 1

Verifying Installation ................................................................................................................................ 2

DIP Switch Settings ................................................................................2

DB9 Pin Assignment ..............................................................................3

Specications ..........................................................................................4

Technical Support ..................................................................................5

Warranty Information ............................................................................5

Instruction Manual

Introduction

Packaging Contents

• 1 x USB to Serial Adapter Cable

• 1 x Driver CD

• 1 x Instruction Manual

System Requirements

• Available USB port

• Microsoft® Windows® 98SE/ME/2000/XP/Server 2003/Vista/7,

or Linux® kernel 2.4.x or later

Installation

Hardware Installation

1. Power on the computer and make sure the operating system is fully loaded.

2. Plug the USB connector on the ICUBS422 adapter cable into an available USB port

on the host computer.

3. The operating system will automatically detect the new hardware and prompt for

drivers.

4. Once drivers are successfully installed, connect the DB9 connector to the serial cable

for your RS-422/485 device.

Driver Installation

Windows 2000/Server 2003/XP

1. When the Found New Hardware wizard appears on the screen, insert the Driver CD

into your CD-ROM drive. If you are prompted to connect to Windows Update, please

select the “No, not this time” option and click Next.

2. Select the option “Install Drivers Automatically (Recommended)” and then click the

Next button.

3. Windows should now start searching for the drivers. Once this has completed, click

the Finish button.

Windows Vista/7

1. When the Found New Hardware window appears on the screen, click on the “Locate

and install drivers software (recommended)” option. If prompted to search online,

select the “Don’t search online” option.

2. When prompted to insert the disc, insert the Driver CD that came with the card, into

your CD-ROM drive and Windows will automatically proceed to search the CD.

Instruction Manual

3. If a Windows Security dialog window appears, click the “Install this driver software

anyway” option to proceed.

4. Once the driver is installed, click the Close button.

Verifying Installation

Windows 2000/Server 2003/XP/Vista/7

From the main desktop, right-click on “My Computer” (“Computer” in Vista), then select

Manage. In the new Computer Management window, select Device Manager from the

left window panel.

Double-click on the “Ports (COM & LPT)” option. An additional USB serial COM port

should be visible. The port is ready to connect to new devices.

DIP Switch Settings

Switch Switch Name Switch

Position Description

1 485/422

485

(default) 2-wire RS-485 mode

422 4-wire RS-422 mode

2 Echo/No Echo

Echo Transmitting data will be

echoed back.

No Echo

(default) No data echo

3 No Term/Term

No Term

(default) Terminator resistor is disabled

Term Terminator resistor is enabled

4 None On/O Switch is not enabled

Instruction Manual

• NOTE: In “422” mode, the ECHO setting is not used.

• The Echo mode is useful for detecting if there is data collision occurring on RS-

485. If the echoed data is not equal to the transmitted data, then data collision is

occurring.

DB9 Pin Assignment

DB9 Pin RS-422 RS-485

1 TxD - Data -

2 TxD + Data +

3 RxD + NC

4 RxD - NC

5 GND GND

6 NC NC

7 NC NC

8 NC NC

9 NC NC

Instruction Manual

Specications

Bus Interface USB 2.0

Connectors 1 x USB type A

1 x 9-pin DB9 male

Maximum Baud Rate 921.6Kbps

Termination Resistor 120 Ohm

Chipset FTDI FT232RL

Serial Protocol RS-422 (4-wire)

RS-485 (2-wire)

Power Consumption 110mA

Compatible Operating Systems Windows 98SE/ME/2000/XP/Server

2003/Vista/7, or Linux

Instruction Manual

Technical Support

StarTech.com’s lifetime technical support is an integral part of our commitment to

provide industry-leading solutions. If you ever need help with your product, visit

www.startech.com/support and access our comprehensive selection of online tools,

documentation, and downloads.

For the latest drivers/software, please visit www.startech.com/downloads

Warranty Information

This product is backed by a two year warranty.

In addition, StarTech.com warrants its products against defects in materials

and workmanship for the periods noted, following the initial date of purchase.

During this period, the products may be returned for repair, or replacement with

equivalent products at our discretion. The warranty covers parts and labor costs only.

StarTech.com does not warrant its products from defects or damages arising from

misuse, abuse, alteration, or normal wear and tear.

Limitation of Liability

In no event shall the liability of StarTech.com Ltd. and StarTech.com USA LLP (or their

ocers, directors, employees or agents) for any damages (whether direct or indirect,

special, punitive, incidental, consequential, or otherwise), loss of prots, loss of business,

or any pecuniary loss, arising out of or related to the use of the product exceed the

actual price paid for the product. Some states do not allow the exclusion or limitation

of incidental or consequential damages. If such laws apply, the limitations or exclusions

contained in this statement may not apply to you.

Hard-to-nd made easy. At StarTech.com, that isn’t a slogan. It’s a promise.

StarTech.com is your one-stop source for every connectivity part you need. From

the latest technology to legacy products — and all the parts that bridge the old and

new — we can help you nd the parts that connect your solutions.

We make it easy to locate the parts, and we quickly deliver them wherever they need

to go. Just talk to one of our tech advisors or visit our website. You’ll be connected to

the products you need in no time.

Visit www.startech.com for complete information on all StarTech.com products and

to access exclusive resources and time-saving tools.

StarTech.com is an ISO 9001 Registered manufacturer of connectivity and technology

parts. StarTech.com was founded in 1985 and has operations in the United States,

Canada, the United Kingdom and Taiwan servicing a worldwide market.

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