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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
1
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System Requirements • USB equipped computer with an available USB port ® • Windows 7 (32-/64-bit) / Vista (32-/64- bit) / 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 2
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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, c
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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 Dev
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Windows XP (32-/64-bit) / Server 2003 (32-/ 64-bit) / 2000 1. At the Windows desktop insert the driver CD. Note: Most systems will start installing the driver once the driver CD is inserted. If so, skip step #2 and go directly to step #3. 2. If AutoPlay doesn't start, click Start, Run, type D:\autorun.exe, then click OK. (Change D: to match your CD-ROM drive letter). 3. At USB to Serial Adapter screen, click Install Driver, then click USB 2/4/8-Port Serial. 4. At High-Speed USB MultiSerial Devic
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Windows Server 2008 (32-/64-bit) / 2008 R2 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
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To Verify Installation 1. Check Device Manager to verify installation. For Windows 7: Right click Computer, click Manage. For Windows Vista: Right click Computer, click Manage, click Continue. For Server 2008 / 2008 R2: Right click Computer, click Manage, double click Diagnostics. For XP / Server 2003 / 2000: Right click My Computer, click Manage. 2. Click Device Manager. 3. Double click Ports (COM & LPT), two High-Speed USB Serial Port... should be displayed. 7
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Changing COM Port Number Some serial devices need a specific COM port in order to work. If your serial device works properly, do not change this setting. 1. From Device Manager double click Ports (COM & LPT), then double click the High-Speed USB Serial Port port you want to change. 2. Click Features tab. 3. Click the down arrow that is next to the COM Port Number drop down box and select a COM port that is not in use. 4. Click OK to save the changes. 5. Unplug the Serial Adapter from the USB po
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Technical Support and Warranty QUESTIONS? SIIG’s Online Support has answers! Simply visit our web site at www.siig.com and click Support. Our online support database is updated daily with new drivers and solutions. Answers to your questions could be just a few clicks away. You can also submit questions online and a technical support analyst will promptly respond. SIIG offers a 5-year manufacturer warranty with this product. This warranty covers the original purchaser and guarantees the pro
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About SIIG, Inc. Founded in 1985, SIIG, Inc. is a leading manufacturer of IT connectivity solutions (including Serial ATA and Ultra ATA Controllers, FireWire, USB, and legacy I/ O adapters) that bridge the connection between Desktop/Notebook systems and external peripherals. SIIG continues to grow by adding A/V and Digital Signage connectivity solutions to our extensive portfolio. SIIG products offer comprehensive user manuals, many user-friendly features, and are backed by an extensive manufac
