StarTechcom Network Card ICUSB422 User Manual

ICUSB422  
Instruction Manual  
USB Serial Adapter  
USB to RS-422/485 Serial  
Adapter Cable  
 
Table of Contents  
Introduction..................................................................... 1  
Packaging Contents.....................................................................1  
System Requirements.................................................................1  
Installation....................................................................... 2  
Hardware Installation...................................................................2  
Driver Installation.........................................................................2  
Verifying Installation.....................................................................3  
DIP Switch Settings ........................................................ 3  
DB9 Pin Assignment....................................................... 4  
Specifications.................................................................. 5  
Technical Support........................................................... 6  
Warranty Information...................................................... 6  
i
 
Introduction  
Packaging Contents  
1 x ICUSB422 adapter cable  
1 x Driver CD  
1 x Instruction Manual  
System Requirements  
Available USB port  
Microsoft Windows® 98SE/ME/2000/XP/Server 2003/Vista/7,  
or Linux®  
1
 
Installation  
Hardware Installation  
1. Power on the computer and make sure the operating system is fully  
loaded.  
2. Plug the USB connector on the ICUBS422 adapter cable into an  
available USB port on the host computer.  
3. The operating system is will automatically detect the new hardware  
and prompt for drivers.  
4. Once drivers are successfully installed, connect the DB9 connector  
to the serial cable for your RS-422/485 device.  
Driver Installation  
Windows 2000/Server 2003/XP  
1. When the Found New Hardware wizard appears on the screen,  
insert the Driver CD into your CD-ROM drive. If you are prompted  
to connect to Windows Update, please select the “No, not this time”  
option and click Next.  
2. Select the option “Install Drivers Automatically (Recommended)” and  
then click the Next button.  
3. Windows should now start searching for the drivers. Once this has  
completed, click the Finish button.  
Windows Vista/7  
1. When the Found New Hardware window appears on the screen,  
click on the “Locate and install drivers software (recommended)”  
option. If prompted to search online, select the “Don’t search online”  
option.  
2. When prompted to insert the disc, insert the Driver CD that  
came with the card, into your CD-ROM drive and Windows will  
automatically proceed to search the CD.  
3. If a Windows Security dialog window appears, click the “Install this  
2
 
driver software anyway” option to proceed.  
4. Once the driver is installed, click the Close button.  
Verifying Installation  
Windows 2000/Server 2003/XP/Vista/7  
From the main desktop, right-click on “My Computer” (“Computer” in  
Vista), then select Manage. In the new Computer Management window,  
select Device Manager from the left window panel.  
Double-click on the “Ports (COM & LPT)” option. An additional USB  
serial COM port should be visible. The port is ready to connect to new  
devices.  
DIP Switch Settings  
Switch  
Position  
Switch Switch Name  
Description  
485  
(default)  
2-wire RS-485 mode  
4-wire RS-422 mode  
1
2
485/422  
422  
Transmitting data will be  
echoed back.  
Echo  
Echo/No Echo  
No Echo  
(default)  
No data echo  
No Term  
(default)  
Terminator resistor is  
disabled  
3
4
No Term/Term  
None  
Terminator resistor is  
enabled  
Term  
On/Off  
3
Switch is not enabled  
 
* NOTE: In “422” mode, the ECHO setting is not used.  
* The Echo mode is useful for detecting if there is data collision  
occurring on RS-485. If the echoed data is not equal to the  
transmitted data, then data collision is occurring.  
DB9 Pin Assignment  
DB9 Pin RS-422  
RS-485  
Data +  
Data -  
NC  
1
2
3
4
5
6
7
8
9
TxD -  
TxD +  
RxD +  
RxD -  
GND  
NC  
NC  
GND  
NC  
NC  
NC  
NC  
NC  
NC  
NC  
4
 
Specifications  
Bus Interface  
USB 2.0  
1 x USB type A  
1 x 9-pin DB9 male  
921.6Kbps  
Connectors  
Maximum Baud Rate  
Termination Resistor  
Chipset  
120 Ohm  
FTDI FT232RL  
RS-422 (4-wire)  
RS-485 (2-wire)  
110mA  
Serial Protocol  
Power Consumption  
Compatible Operating  
Systems  
Windows 98SE/ME/2000/XP/  
Server 2003/Vista/7, or Linux  
5
 
Technical Support  
StarTech.com’s lifetime technical support is an integral part of our  
commitment to provide industry-leading solutions. If you ever need  
our comprehensive selection of online tools, documentation, and  
downloads.  
Warranty Information  
This product is backed by a one 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 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 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.  
6
 
StarTech.com has been making “hard-to-find easy” since 1985,  
providing high quality solutions to a diverse IT and A/V customer  
base that spans many channels, including government, education  
and industrial facilities to name just a few. We offer an unmatched  
selection of computer parts, cables, A/V products, KVM and Server  
Management solutions, serving a worldwide market through our  
locations in the United States, Canada, the United Kingdom and  
Taiwan.  
Visit www.startech.com today for complete information about all  
our products and to access exclusive interactive tools such as the  
Cable Finder, Parts Finder and the KVM Reference Guide.  
 

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