StarTech.com ICUSB2324852 Manuel utilisateur
Manual Revision: 02/10/2012
For the most up-to-date information, please visit: www.startech.com
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
ICUSB2324852
2 Port USB to RS232/422/485 Serial
Adapter with COM Retention
*actual product may vary from photos
Instruction Manual
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 ofTrademarks, 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
Packaging Contents ................................................................................................................................. 1
System Requirements.............................................................................................................................. 1
Side 1 View................................................................................................................................................... 2
Side 2 View................................................................................................................................................... 2
Installation ..............................................................................................3
Dip Switch Settings .................................................................................................................................. 3
Pinout Diagram ......................................................................................4
Specications..........................................................................................5
Technical Support ..................................................................................6
Warranty Information............................................................................6
Instruction Manual
1
Introduction
The StarTech.com 2-Port USB to RS232/422/485 Serial Adapter provides two serial
ports to a USB compatible desktop, laptop or netbook computer system. Capable of
RS232/422/485 serial modes, and both a DB9 and 5-wire terminal block connector, this
serial adapter is a versatile solution for adding external serial connectivity to a newer
computer system that does not have any serial ports.
Packaging Contents
• 1 x USB to Serial adapter
• 1 x Wall Mounting Bracket
• 1 x USB cable
• 1 x Driver Installation CD
• 1 x Instruction Manual
System Requirements
• USB enabled computer system with available USB port
• Microsoft®Windows®2000/XP/Server 2003/Vista/Server 2008 R2/7 (32/64-bit), XP
Embedded, Windows CE 4.2/5.2/6.0, or Windows Mobile 2003/5/6, or Apple®Mac
OS®9.8/10.x, or Linux®kernel 2.4.x or later
Instruction Manual
2
Side 1 View
Side 2 View
USB connector (Host) Power connector
DB9 connector (S1)
Supports RS232/422/485
Terminal Block (S2)
Supports RS422/485
Power LED
*actual product may vary from photos
Instruction Manual
3
Installation
1. Connect the USB adapter into an available USB port on the computer. If the USB
adapter is unable to draw enough power from the USB port, connecting an external
power adapter (not included) may be required.
2. Insert the Driver Installation CD into the computer’s CD/DVD drive.
3. Access the CD and go into the “USB_to_IO \ FDTI” folder. Enter the folder for the
operating system of the computer system.
4. Run the driver installation program (e.g. CDM20600.exe) and follow the prompts.
Once the installation program nishes, the drivers for the adapter should be
installed. Unplug and reconnect the adapter if not.
5. Set the DIP switches on the bottom of the unit to the appropriate serial mode (see
“How to Use”).
6. Connect the serial devices to the DB9 serial connector (S1) and/or the 5-wire
Terminal Block serial connector (S2).
7. If mounting the USB adapter to a wall or surface, rst mount the included wall
mount bracket to the surface with four mounting screws (not provided). Make sure
to use the appropriate type of mounting hardware for the intended wall/surface.
8. Once the bracket is mounted, the USB adapter can be placed into the bracket and
it will simply snap into place. The USB adapter can be removed from the bracket by
simply pulling it free.
Dip Switch Settings
There are 4 DIP switches for each port on the adapter, used to set the operating mode
(serial protocol) and terminator settings. The DIP switches are located on the bottom
of the unit, and each port can be congured independently of the other.
DIP Switches for S1 and S2
NOTE: The port S2 can only operate in RS422/485 modes.
Instruction Manual
4
DIP Switch Setting Description
RS485 - 2-wire
(default)
RS485 - 4-wire
RS422
RS232
NOTE: switch 3 and 4 must be set to OFF for RS232
mode to work correctly.
Pinout Diagram
RS232
S1
RS422(4-wire)/485 (4-wire/2-wire)
TxD- (Data-)
TxD+ (Data+)
RxD-
RxD+
GND
S2
Instruction Manual
5
Specications
Bus Interface USB 2.0
Chipset ID FTDI FT2232H
Connectors
1 x DB9 male
1 x 5-wire Terminal Block
1 x USB type B female
LEDs 1 x Power
Supported Protocols RS-232/422/485
Maximum Data Transfer Rate 921.6 Kbps
Operating Temperature 0°C ~ 55°C (32°F ~ 131°F)
Storage Temperature -20°C ~ 85°C (-4°F ~ 185°F)
Humidity 5% ~ 95% RH
Dimensions 82.3mm x 44.2mm x 22.2mm
Weight 300g
Compatible Operating Systems
Windows 2000/XP/Server 2003/Vista/
Server 2008 R2/7 (32/64-bit), XP Embedded,
Windows CE 4.2/5.2/6.0, or Windows Mobile
2003/5/6, Mac OS 9.8/10.x,
Linux kernel 2.4.x or later
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.
For the latest drivers/software, please visit www.startech.com/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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