StarTech.com ICUSB232C2 User manual
Manual Revision: 10/07/2014
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
ICUSB232C2
2 Port USB to RS232 Serial DB9 Adapter Cable
*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 i
Table of Contents
Introduction .......................................................................................................................................................1
Features...........................................................................................................................................................1
System requirements..............................................................................................................................1
Package Contents.....................................................................................................................................1
Installation............................................................................................................................................................2
Verifying Successful Installation.......................................................................................................2
Connecting Peripheral Devices........................................................................................................2
Mac Installation..........................................................................................................................................3
Specications.....................................................................................................................................................4
DB9 Pin Assignments..............................................................................................................................5
Technical Support...........................................................................................................................................6
Warranty Information....................................................................................................................................6
Instruction Manual 1
Introduction
The StarTech.com ICUSB232C2 2 port USB to DB9 RS232 Serial Adapter Cable lets you connect up
to two DB9 RS232 serial devices simultaneously to your Mac or PC laptop or desktop computer
through a USB port, as though the computer oered an onboard DB9M connector.
A cost-eective solution that bridges the compatibility gap between modern computers and
legacy serial peripherals.
Features
• Full compliance with USB specication v1.1
• Over 230 Kbps data communication
• Provides a 96 byte buer for each upstream and downstream transfer rate
• Supports remote wakeup and power management
• Works with cellular phones, PDAs, digital cameras, modems and ISDN terminal adapters
• No IRQ required
Before You Begin
System Requirements
• Windows 98, ME, 2000, 7, Vista, XP, Server 2008 R2 and Linux or Mac 8.6 or higher
• Available USB port on your computer
Package Contents
This package should contain:
• 1 x USB Serial Adapter
Instruction Manual 2
Installation
1. Insert the CD disk.
2. Plug the USB/Serial cable into your computer’s USB port and choose your PC’s OS from the
selection on your screen.
3. The Add New Hardware Wizard will appear. Click Next.
4. The Wizard will search for new drivers for the USB device. Click Next.
5. Select Search for best driver for your device (Recommended). Click Next.
6. Choose the correct OS for your PC. Click Next.
7. Windows is now ready to install the best driver for this device. Click Next.
8. Installation complete. Click Finish.
Verifying Successful Installation
1. Open the System folder (My Computer, Control Panel, System)
2. Click the “Device Manager” tab at the top of the dialogue box.
3. Click the “+” in front of the Universal Serial Bus Controller heading to see the USB controller
listing. If the Installation is completed successfully, you should see an entry for USB to
Serial Cable.
Connecting Peripheral Devices
1. With the computer booted up and the USB Serial Adapter already plugged into the
computer’s USB port, plug the peripheral into the USB Serial Adapter; then turn the
peripherals On.
2. Follow the Installation Wizard’s on-screen instructions to complete the installation.
Note: This procedure only occurs the rst time you connect up your peripheral. If your peripheral
was previously connected and congured for the RS-232 (COM) port, after you perform the
Adapter Installation and click Finish, the driver will detect it and install it automatically.
Note: Under Windows 2000, if you connect a modem, you must specify it as a Standard Modem.
Instruction Manual 3
Mac Installation
1. Insert the CD disk into your CD-ROM drive.
2. Connect your USB/Serial cable to the computer’s USB port.
3. Click OK.
4. Type a folder name for the USB Serial Adapter.
5. Open the folders to the new le you have created.
6. Drag the le PL2303G into the system extension “Apple Extras”, and restart your computer.
7. Plug the USB Serial Adapter into your peripheral.
Instruction Manual 4
Specications
Host Interface USB 1.1
Chipset ID Prolic PL2303
External Connectors 1 x DB9 male
1 x USB type A male
LEDs None
Supported Protocols RS232
Maximum Data Transfer Rate 230 Kbps
Buer Size 96 Byte Tx/Rx
Operating Temperature -20°C ~ 80°C (-4°F ~ 176°F)
Storage Temperature -20°C ~ 80°C (-4°F ~ 176°F)
Humidity 0% ~ 65% RH
Cable Length 310 mm
Weight 0.13 kg
Compatible Operating Systems
Windows 98SE/ ME/ 2000/ XP(32/64bit)/
Vista(32/64bit)/ 7(32/64bit)/ S
erver 2008 R2, MAC X, and Linux
Instruction Manual 5
DB9 Pin Assignments
Pin Assignment
1 CD
2 RXD
3 TXD
4DTR
5 GND
6 DSR
7RTS
8CTS
9 RI
Instruction Manual 6
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.
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 ocers,
directors, employees or agents) for any damages (whether direct or indirect, special, punitive,
incidental, consequential, or otherwise), loss of prots, 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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