SIIG RS-422, RS-485 User Manual

USB to RS-422/485 Converter

Quick Installation Guide

Introducing the USB to RS-422/485

converter

The USB to RS- 422/485 Converter enables you to choose
between RS-422 and RS-485 formats for each port
depending on the application you need.

Features and Benefits

• Compliant : USB 1.0 , 1.1 , 2.0

• Connector : USB type A

• RS-422 : RxD+ , RxD- ,TxD+ , TxD-

• RS-485 : Data+ , Data-

System Requirements

• Pentium® II or equivalent PC with an available USB
port

• Windows® 2000 / XP (32-/64-bit) / Server 2003
(32-/64-bit) / Vista (32-/64-bit)

Serial Number Sticker

For future product return or exchange, this serial number
is require. Please keep it for your reference.

04-0484A

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Package Contents

• USB to RS-422/485 Converter

• USB cable

• Quick Installation Guide

Layout

USB
port

Figure 1: Layout

LED

RS422/485
Signal to
Target Device

Dip switch

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Driver Installation

This section provides information on how to install the
USB to RS-422/485 drivers.

Windows 2000/XP/Server 2003

1. Insert the driver CD after Windows boots.

2. AutoRun should start the installation. If AutoRun
doesn’t start, click Start, Run, Type D:\setup.exe,
then click OK. (Change D: to match your CD-ROM
drive letter).

3. Click Next.

4. Click I accept the terms of the license agreement,
click Next, Next.

5. Click Install, Install, then click OK.

6. Click Finish. Restart your system to complete the
installation.

7. Insert the USB to RS-485/422 Converter into a USB
port. The driver will install automatically.

Windows Vista™

1. Insert the driver CD after Windows boots.

2. AutoRun should start the installation.
If Auto Run starts: Click Run setup.exe.
If AutoRun doesn’t start: Click Start, in the Start

Search box, type D:\setup.exe, then press Enter.
(Change D: to match your CD-ROM drive letter).

3. Click allow.

4. Click Next.

5. Click I accept the terms of the license agreement,
click Next, Next.

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