SIIG 04-0725A User Manual

2-Port USB to RS-232
Serial Adapter
Quick Installation Guide

Introduction

The 2-Port USB to RS-232 Serial Adapter adds two
9-pin serial ports to your USB-equipped system.

Key Features and Benefits

• Supports data transfer rate up to 230Kb/s

• USB plug-n-play and bus-powered

• Connectors: USB type-A (male); 2x 9-pin
RS-232 serial (male)

Serial Number Sticker

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

04-0725A

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System Requirements

• USB equipped computer with an available
USB port

• Windows

®

7 (32-/64-bit) / Vista (32-/64­bit) / XP (32-/64-bit) / Server 2003 & 2008
(32-/64-bit) / Server 2008 R2 / 2000

Package Contents

• 2-Port USB to RS-232 Serial Adapter

• Driver CD

• Quick installation guide

Layout

Serial ports

Type A USB

(to computer)

Activity LED

Figure 1: Layout

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Installation

Make sure the driver is installed before plugging
the Serial Adapter into the computer.

Windows 7 (32-/64-bit)

1. At the Windows desktop insert the driver
CD.

At the AutoPlay box: Click Run autorun.exe.
If AutoPlay doesn't start: Click Start, in the

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

2. At USB to Serial Adapter screen, click Install
Driver, then click USB 2/4/8-Port Serial.

3. At User Account Control, click Yes.

4. At High-Speed USB MultiSerial Device
Drivers Setup box, click Install.

5. At High-Speed USB MultiSerial Device
Drivers Setup box prompt Installation
completed, click Exit.

6. Plug the Serial Adapter into an available
USB port and the drivers will install
automatically. The device is ready for use.

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Windows Vista (32-/64-bit)

1. At the Windows desktop insert the driver
CD.

At the AutoPlay box: Click Run autorun.exe.
If AutoPlay doesn't start: Click Start, in the

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

2. At USB to Serial Adapter screen, click Install
Driver, then click USB 2/4/8-Port Serial.

3. Click Allow.

4. At High-Speed USB MultiSerial Device
Drivers Setup box, click Install.

5. At High-Speed USB MultiSerial Device
Drivers Setup box prompt Installation
completed, click Exit.

6. Plug the Serial Adapter into an available
USB port and the drivers will install
automatically. The device is ready for use.

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