StarTech.com ICUSB232 User manual
USB to RS-232 Serial Converter
USB Converter
Installation Manual
ICUSB232
icusb232manual 11/27/01 11:15 Page 1
1
Overview
The StarTech.com ICUSB232 USB Serial adapter
provides an external plug-and-play RS-232 serial
connection for computers, notebooks, laptops and
handheld computing devices that support USB
specifications. Peripherals such as modems, PDAs,
digital cameras and ISDN terminal adapters are
provided with a data transfer rate of over 500 Kbps.
The adapter makes the USB interface transparent to the
peripherals, allowing them to easily interface with the
USB, eliminating the setup hassle found with
traditional serial port connections.
Features
• Full compliance with USB specification v1.1
• Support for the RS232 Serial interface
• Over 230 Kbps data transfer rate
• Provides a 96 byte buffer 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
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2
Specifications
Connectors USB
Serial
Data Transfer Rate
Cable Length
LEDs
Power Mode
Power Consumption
USB Specification
Operating Temperature
Storage Temperature
Humidity
Type A plug
DB9 Male
Over 230 Kbps
35 cm
Data Transfer/Handshaking (orange)
450 mW
BUS Powered
V1.1 Compliant
5 ~ 40 degrees C
-20 ~ 60 degress C
Housing
0 ~80% RH
Weight
Plastic
Dimensions (L x W x H)
60 g
65.9 x 34 x 16 mm
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3
Getting Started
This section is designed to help you prepare the
ICUSB232 for installation. Please read through this
section carefully before attempting to install
the converter.
Unpacking the ICUSB232
This package should contain:
1 x ICUSB232 USB Serial adapter
1 x Driver CD
Installation
System Requirements
• Windows 98, 2000, ME or Mac 8.6 or higher
• Available USB port on your computer
Windows Installation
Installing the Converter
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”.
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4
7. Windows is now ready to install the best driver for
this device. Click “Next”.
8. Installation complete. Click “Finish”.
Checking the Installing
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.
Peripheral Installation
1. With the computer booted up and the ICUSB232
adapter already plugged into the computer’s USB
port, plug the peripheral into the ICUSB232; then turn
the peripherals On.
2. Follow the Installation Wizard’s on-screen instructions
to complete the installation.
Note: This procedure only occurs the first time you connect
up your peripheral. If your peripheral was previously
connected and configured for the RC-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.
icusb232manual 11/27/01 11:15 Page 5
Mac Installation
1. Insert the CD disk into your CR-ROM drive.
2. Connect your USB/Serial cable to the computer’s
USB port.
3. Click “OK”.
4. Type a folder name for the ICUSB232.
5. Open the folders to the new file you have created.
6. Drag the file “PL2303G” into the system extension
“Apple Extras”, and restart your computer.
7. Plug the ICUSB232 into your peripheral.
5
icusb232manual 11/27/01 11:15 Page 6
6
DB 9 Pin Assignments
Pin
1
2
3
4
6
5
7
8
9
Assignment
CD
RXD
TXD
DTR
GND
DSR
RTS
CTS
RI
icusb232manual 11/27/01 11:15 Page 7
Radio and TV Interference
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 occur in a particular installation.
Limitation of Liability
In no event shall the liability to StarTech (or its officers,
directors, employees or agents) for any damages
(whether direct or indirect, special, punitive incidental,
consequential, or otherwise), loss of profits, loss of
business, or any pecuniary loss, arising out of 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.
7
Revised: November 27, 2001
icusb232manual 11/27/01 11:15 Page 8
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