4 Port PCI RS422 RS485 Serial Adapter Card
PCI4S422DB9
*actual product may vary from photos
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
Manual Revision: 02/23/2012
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
Table of Contents
Introduction ............................................................................................1
Packaging Contents ................................................................................................................................. 1
System Requirements .............................................................................................................................. 1
Installation ..............................................................................................2
Installing the Card ..................................................................................................................................... 2
Driver Installation .................................................................................. 3
Windows ..................................................................................................3
Windows XP/2000 ..................................................................................................................................... 3
Windows NT ................................................................................................................................................3
DOS ................................................................................................................................................................4
LINUX ............................................................................................................................................................. 4
Specications ..........................................................................................8
Technical Support ..................................................................................9
Warranty Information ............................................................................9
Instruction Manual
i
Introduction
Thank you for purchasing a RS-422/RS-485 serial card from StarTech.com. Now you can
add four independent RS-422/RS-485 serial ports to your system. You can set each port
as either RS-422 or RS-485 using dip switches right on the card. This exible card works
in both 3.3 volt and 5 volt PCI slots and uses Automatic Data Direction Control (ADDC)
for more straight-forward control of two-wire half-duplex RS-485 communications. The
PCI4S422DB9 uses a 32-Byte transmit-receive buer to help reduce the number of CPU
interrupts and improve system performance.
Packaging Contents
• 1x serial card
• 1x serial cable with DB9 connectors
• Driver disks for Windows, Linux, and Unix
System Requirements
• A computer running Windows XP/2000, DOS, Linux, or UNIX
• (SCO Open Server)
• An open 5 or 3.3 volt PCI slot
Instruction Manual
1
Installation
Note: In one system, you can install two of these serial cards. You must dierentiate
between the two cards by using the jumper (located near the end of the card). The
card with the jumper ON will be card number 1. The card with the jumper OFF will be
card number 2. Install the cards one at a time, starting with the card you want to be
designated number 1.
Installing the Card
1. Make sure that your system is unplugged and you are grounded.
2. Congure each port (labeled A to D on the cable) to be either an RS-422 or an RS485 port using the dip switches located on the card. When the dip switch is in the
upper or On position, that port will operate in RS-422 mode. When in the lower or
O position, the port will operate in RS-485 mode.
3. Remove the cover of your system (see your computer's user manual for details, if
necessary) and gently turn your computer onto its side.
4. Locate an empty PCI slot (usually white in colour) and remove the metal plate that
covers the rear bracket. You may need a Phillips screwdriver to perform this step.
Hang on to the screw! You will need it to secure the card later.
5. Gently insert the card into the empty slot, making sure it is rmly seated. Secure the
card in place using the screw you removed in Step 3 and put your computer case
back on.
6. Plug the 37-pin end of the serial cable into the port on the card.
7. Turn the computer on.
Instruction Manual
2
Driver Installation
Note: Depending on your operating system and the conguration of your system, the
instructions below may not be identical to what you see on your screen.
Windows
Windows XP/2000
Once you turn your computer on after installing the card, Windows will automatically
detect the new hardware. Follow the onscreen prompts and direct Windows to the
Win2000 folder on the driver disk (Windows 2000 and Windows XP use the same driver).
Notes:
• To change the COM port number: Windows will automatically assign the card a COM
port number. If you need to specify another port number, you can use the setup
utility included with the driver. Go to: Control Panel/System/Hardware/Device
• Manager/Multi-Port Serial Adapter/Setup. From here you will be able to set the
target value.
• Each serial card needs an open IRQ for Plug and Play function.
• In Window XP, the driver for each port will be installed and conrmed. In Windows
2000, the driver will be installed automatically.
Windows NT
Before you begin the installation, make sure you are logged in as a user with
administrative privileges.
1. Start the Control Panel applet by double-clicking on its icon in the Program
Managers main group.
2. Double-click the Network icon to bring up the Network Control Panel applet.
3. Select Add Adapter. A list of possible adapters will be displayed. Select “Other:
Requires disk from manufacturer.”
4. When prompted for the path, specify the location of the driver for the card you
installed. Depending on your version of the driver disk, the drivers may be found in
the P584/NT4 folder.
5. Follow the onscreen prompts to complete installation. Make sure that the COM port
number does not conict with any other devices in your system.
6. Use the “Binding” function to make more serial ports available. If you do not perform a binding
function, you may not have an extra COM port available in your next boot procedure.
Instruction Manual
3
Notes:
• When installing two cards in the same system, the card with the jumper ON will be
assigned the lower COM port number. The card with the jumper OFF will have the
higher COM port number.
DOS
When installing multiple cards in DOS, it is important to install the card designated
card Number 1 (with the jumper ON) rst.
1. Change your active directory to the target directory:
ex: c:\RAYON
2. Insert the driver disk into the disk drive and copy the DOS les from the driver diskette:
ex: xcopy /s/e/v a:\DOS\*.*
3. Run the driver installation command:
ex. c:\rayon\pciport
4. The cards will now be installed in your system. Each card will show the card number
in the system (for the application to specify the target card and target port), the card
model, the card jumper setting (for card number 1 or 2), the IRQ assigned, and the
COM port number for the card.
You may see the following error messages:
• PCIPORT already installed. This means the driver has already been installed.
• Please check the “JP1”. Both cards in the system may have their jumpers set to ON or
• OFF.
• PCIPORT not in system. There is no card in the PCI slot.
Notes:
• The driver function call description can be found on the DOS driver diskette. There is
also a DEMO program for the user to modify to meet their target application program.
LINUX
1. Login as super-user (SU) or root.
2. Change your directory to root and copy the driver diskette to the system:
# cd /
# tar xvf /dev/fd0
3. Change the directory to /etc/pciport and run the Install command:
# cd /etc/rayon
# ./Install
Instruction Manual
4
4. Follow the prompts to perform the following:
• Choose your card type
• Choose your Linux kernel version
• Rebuild your system
• Exit and reboot with new settings
The device name will be /dev/tty8[1--2] [a--h]
Card Denitions
Note: Card 1 is the card with the jumper ON.
Card Number Device Name
1 tty81?
2 tty82?
I/O Port Number Denitions
Port Number Device Name
A tty8?a
B tty8?b
C tty8?c
D tty8?d
For example, the device named /dev/tty82b is the device plugged into port B on card
Number 2.
Notes:
• The above installation procedure installs a module type driver. If you can not install
the driver successfully, you may need to use a kernel type driver. With kernel type
drivers, you may need to have the full source le for the Linux system and the source
le must be located in the /usr/src/linux directory. If your source le is in a dierent
location, you must move it or link it to the “usr/src/linux” directory.
• Each serial card needs an open IRQ for Plug and Play function.
Instruction Manual
5
SCO OpenServer
1. Log in as a super-user (SU) or root.
2. Extract all the les on the diskette using the tar command
# cd /
# tar xvf /dev/fd0135ds18
3. Change the directory to /etc/pciport and run the Build command:
# cd /etc/pciport
# ./build
4. Reboot your system.
The device name will be /dev/tty8[1--2] [a--h]
Card Denitions
Note: Card 1 is the card with the jumper ON.
Card Number Device Name
1 tty81?
2 tty82?
I/O Port Number Denitions
Port Number Device Name
A tty8?a
B tty8?b
C tty8?c
D tty8?d
For example, the device named /dev/tty82b is the device plugged into port B on card
Number 2.
Notes:
• The resources for the card are assigned by the PCI BIOS. If your environment has
changed, you may need to run the Build command again to remove the old driver
and reinstall it again.
• Each serial card needs an open IRQ in order to function properly.
Instruction Manual
6
Specications
Number of Serial Ports 4
Connector Type 4 x 9-pin DB Male
Max Data Transfer Rate 921 Kbits/sec
Bus Interface PCI
Serial Interface RS-422 & RS-485
Bus Transceivers Full-Duplex and Half-Duplex
Max Cable Length 4000 ft (1220m)
FIFO Length 32 FIFOs
I/O Address Plug & Play
Standards PCI 2.2
System Requirements
System 3.3 or 5 volt slot with 32-bit PCI Bus
Windows 2000/NT/XP, SCO Unix,
Linux, DOS
Instruction Manual
7
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 lifetime 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.
Instruction Manual
8
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