StarTech.com PCI2S232485I User manual
Manual Revision: 12/08/2011
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
PCI2S232485I
2 Port RS232/422/485 PCI Serial Adapter
Card ESD Protection
*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 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
Packaging Contents ................................................................................................................................. 1
System Requirements.............................................................................................................................. 1
Installation ..............................................................................................1
Hardware Installation .............................................................................................................................. 1
Driver Installation...................................................................................................................................... 2
How to Use ..............................................................................................3
Mode Settings ............................................................................................................................................ 3
Transmission Echo .................................................................................................................................... 4
Termination Resistor ............................................................................................................................... 5
Pinout Diagram ......................................................................................6
RS232............................................................................................................................................................. 6
RS422(4-wire)/485 .................................................................................................................................... 6
(4-wire/2-wire)............................................................................................................................................ 6
Specications..........................................................................................7
Technical Support ..................................................................................8
Warranty Information............................................................................8
Instruction Manual
1
Introduction
The StarTech.com PCI to RS232/422/485 Serial Adapter Card is a universal all-in-one PCI
Serial adapter card that allows you to turn a PCI or PCI-X slot into 2 serial ports capable
of communicating in RS-232, RS-422, or RS-485. Featuring 2,500Vrms Isolation and
15KV ESD protection and two DB9 serial ports that can be independently congured
to support RS-422, RS-485 2-wire, RS-485 4-wire, or RS-232 mode up to a maximum
baud rate of 921.6Kbps per port.
Packaging Contents
• PCI2S232485I adapter card
• Driver CD
• Instruction Manual
System Requirements
• PCI enabled computer system with available PCI slot
• Microsoft® Windows® XP/Server 2003/Vista/Server 2008 R2/7 (32/64-bit),
or Windows XP Embedded/POSReady 2009/CE 4.x/5.0, or Linux®
Installation
WARNING! PCI cards, like all computer equipment, can be severely damaged by static
electricity. Be sure that you are properly grounded before opening your computer
case or touching your PCI card. StarTech.com recommends that you wear an anti-static
strap when installing any computer component. If an anti-static strap is unavailable,
discharge yourself of any static electricity build-up by touching a large grounded
metal surface (such as the computer case) for several seconds. Also be careful to
handle the PCI card by its edges and not the gold connectors.
Hardware Installation
1. Turn your computer o and any peripherals connected to the computer (i.e.
Printers, external hard drives, etc.). Unplug the power cable from the rear of the
power supply on the back of the computer and disconnect all peripheral devices.
2. Remove the cover from the computer case. Refer to documentation for your
computer system for details.
3. Locate an open PCI or PCI-X slot and remove the metal cover plate on the rear of the
computer case.
Instruction Manual
2
4. Set the jumpers on the card to the desired conguration. See “How to Use”section
for jumper descriptions.
5. Insert the card into the open PCI or PCI-X slot and fasten the card’s bracket to the
rear of the case.
6. Place the cover back onto the computer case.
7. Insert the power cable into the socket on the power supply and reconnect all other
connectors removed in Step 1.
Driver Installation
Windows XP/Server 2003
1. When the Found New Hardware wizard appears on the screen, insert the Driver CD
into your CD/DVD 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/Server 2008 R2/7
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/DVD drive and Windows will automatically proceed to search the CD.
3. If a Windows Security dialog window appears, click the “Install this driver software
anyway” option to proceed.
4. Once the driver is installed, click the Close button.
Instruction Manual
3
How to Use
Mode Settings
There are two jumpers for each port that are used to set its operation mode. JP1/JP2
for Port 1 (S1) and JP4/JP5 for Port 2 (S2).
JP2 (for S1 port) / JP5 (for S2 port) JP1 (for S1 port) / JP4 (for S2 port) Description
RS485 - 2-wire
(Default)
RS485 4-wire
RS422
JP1, JP2 jumpers
JP4, JP5 jumpers
DB9 male
connectors
Instruction Manual
4
JP2 (for S1 port) / JP5 (for S2 port) JP1 (for S1 port) / JP4 (for S2 port) Description
RS232
Transmission Echo
This jumper determines if transmission data will be echoed back. The Echo mode is
useful to detect if the RS485 bus has data collision. If the echoed data is not equal to
the transmitted data, then there is collision. This setting only aects the RS485 2-wire
mode. It doesn’t aect RS485 4-wire, RS422 or RS232 modes.
JP2 (for S1 port)/JP5 (for S2 port) Description
No data echo.
(Default)
Transmission data will be echoed
back
Instruction Manual
5
Termination Resistor
This jumper enables/disables the 120 Ohm termination resistor between DATA+ and
DATA- of the RS485 transceiver:
JP2 (for S1 port)/JP5 (for S2 port) Description
Termination Resistor Disabled
(Default)
Termination Resistor Enabled
NOTE: All other headers and jumpers on the card that are not documented, should not
be altered/used.
Instruction Manual
6
Pinout Diagram
RS232 RS422(4-wire)/485
(4-wire/2-wire)
15
69
Instruction Manual
7
Specications
Bus Interface PCI revision 2.2
(3.3/5V slot connector)
Form Factor Full Prole
Chipset ID Oxford OXuPCI952
Connectors 2 x DB9 male
Supported Protocols RS232/422/485
Maximum Data Transfer Rate 921.6Kbps
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 (LxWxH) 121.0mm x 74.0mm x 18.0mm
Weight 100g
Compatible Operating Systems
Windows XP/Server 2003/Vista/Server
2008 R2/7 (32/64-bit),
CE 4.x/5.0, Linux
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