Access PCIe-COM232-8 Bedienungsanleitung

10623 Roselle Street, San Diego, CA 92121 •(858) 550-9559 •FAX (858) 550-7322

[email protected] •www.accesio.com

MODELS PCIe-COM232-8

and PCIe-COM232-4

PCI Express Multi-Port Low Profile Serial

Communications Cards

USER MANUAL

FILE: MPCIe-COM232-8.A1r

PCIe-COM232-8 User Manual

Notice

The information in this document is provided for reference only. ACCES does not assume any liability arising

out of the application or use of the information or products described herein. This document may contain or

reference information and products protected by copyrights or patents and does not convey any license under

the patent rights of ACCES, nor the rights of others.

IBM PC, PC/XT, and PC/AT are registered trademarks of the International Business Machines Corporation.

rights reserved.

WARNING!!

ALWAYS CONNECT AND DISCONNECT YOUR FIELD CABLING WITH THE

COMPUTER POWER OFF. ALWAYS TURN COMPUTER POWER OFF

BEFORE INSTALLING A CARD. CONNECTING AND DISCONNECTING

CABLES, OR INSTALLING CARDS INTO A SYSTEM WITH THE

COMPUTER OR FIELD POWER ON MAY CAUSE DAMAGE TO THE I/O

CARD AND WILL VOID ALL WARRANTIES, IMPLIED OR EXPRESSED.

PCIe-COM232-8 User Manual

Warranty

Prior to shipment, ACCES equipment is thoroughly inspected and tested to applicable specifications. However,

should equipment failure occur, ACCES assures its customers that prompt service and support will be available.

All equipment originally manufactured by ACCES which is found to be defective will be repaired or replaced

subject to the following considerations.

Terms and Conditions

If a unit is suspected of failure, contact ACCES' Customer Service department. Be prepared to give the unit

model number, serial number, and a description of the failure symptom(s). We may suggest some simple tests

to confirm the failure. We will assign a Return Material Authorization (RMA) number which must appear on the

outer label of the return package. All units/components should be properly packed for handling and returned

with freight prepaid to the ACCES designated Service Center, and will be returned to the customer's/user's site

freight prepaid and invoiced.

Coverage

First Three Years: Returned unit/part will be repaired and/or replaced at ACCES option with no charge for labor

or parts not excluded by warranty. Warranty commences with equipment shipment.

Following Years: Throughout your equipment's lifetime, ACCES stands ready to provide on-site or in-plant

service at reasonable rates similar to those of other manufacturers in the industry.

Equipment Not Manufactured by ACCES

Equipment provided but not manufactured by ACCES is warranted and will be repaired according to the terms

and conditions of the respective equipment manufacturer's warranty.

General

Under this Warranty, liability of ACCES is limited to replacing, repairing or issuing credit (at ACCES discretion)

for any products which are proved to be defective during the warranty period. In no case is ACCES liable for

consequential or special damage arriving from use or misuse of our product. The customer is responsible for all

charges caused by modifications or additions to ACCES equipment not approved in writing by ACCES or, if in

ACCES opinion the equipment has been subjected to abnormal use. "Abnormal use" for purposes of this

warranty is defined as any use to which the equipment is exposed other than that use specified or intended as

evidenced by purchase or sales representation. Other than the above, no other warranty, expressed or implied,

shall apply to any and all such equipment furnished or sold by ACCES.

PCIe-COM232-8 User Manual 
4 
 
TABLE OF CONTENTS 
Chapter 1: Introduction..................................................................................................................... 5 
Features............................................................................................................................................. 5 
Applications...................................................................................................................................... 5 
Functional Description.................................................................................................................. 5 
Figure 1-1: Block Diagram........................................................................................................ 6 
Ordering Guide................................................................................................................................ 6 
Model Options.................................................................................................................................. 7 
Optional Accessories..................................................................................................................... 7 
Special Order.................................................................................................................................... 7 
Included with your board.............................................................................................................. 7 
Chapter 2: Installation........................................................................................................................ 8 
CD Software Installation................................................................................................................ 8 
Hardware Installation..................................................................................................................... 9 
Figure 2-1: Installed Cards with Stability Bracket Accessories..................................... 9 
Chapter 3: Hardware Details.......................................................................................................... 10 
Figure 3-1: Card Dimensions................................................................................................. 10 
Fast RS-232 transceivers (-F) .................................................................................................... 10 
Low-profile mounting bracket (-L)............................................................................................ 10 
Remote Wake-Up (-W).................................................................................................................. 11 
Extended temperature (-T).......................................................................................................... 11 
RoHS compliance (-RoHS).......................................................................................................... 11 
VHDCI connector........................................................................................................................... 11 
Chapter 4: Address Selection........................................................................................................ 12 
Chapter 5: Programming................................................................................................................. 13 
Sample Programs.......................................................................................................................... 13 
Windows COM Utility Program.................................................................................................. 13 
Windows Programming............................................................................................................... 13 
Table 5-1: Baud Rate Generator Setting............................................................................. 13 
Table 5-2: Sample Baud Rate Setting.................................................................................. 14 
Chapter 6: Connector Pin Assignments..................................................................................... 15 
Input/Output Connections.......................................................................................................... 15 
Table 6-1: Connector Pin Assignments.............................................................................. 15 
Figure 6-1: Male DB9 Connector Pin Locations ............................................................... 15 
VHDCI 68-Pin D-Connector......................................................................................................... 16 
Table 6-2: VHDCI 68-Pin Female D-Connector Pin Assignments ................................ 16 
Figure 6-2: VHDCI 68-Pin Female D-Connector Pin Locations..................................... 16 
Chapter 7: Specifications ............................................................................................................... 17 
Communications Interface......................................................................................................... 17 
Environmental................................................................................................................................ 17 
Customer Comments....................................................................................................................... 18 
 

PCIe-COM232-8 User Manual

Chapter 1: Introduction

The PCI Express Multiport Serial cards were designed for RS232 asynchronous

communications for use in a variety of applications. These boards were designed to offer

compatibility with the PCI Express bus and to be used by system integrators and

manufacturers in the design of industrial and commercial communication systems. The card is

available in 8-port and 4-port versions and is compatible with all popular operating systems.

Each RS232 port is capable of supporting data rates up to 921.6kbps (460.8kbps version is

standard) and implements full modem control signals to ensure compatibility with a wide range

of serial peripherals. Existing serial peripherals can connect directly to the industry standard

DB9M connectors which are provided via an available cable. The board features a x1 lane

PCI Express connector which can be used in any x1, x2, x4, x8, x12 or x16 PCI Express slot.

Features

•Eight- or four-port PCI Express RS-232 serial communications

•Low profile MD1 form factor, MD1 defines the shortest standard card length available

•High performance 16C950 class UARTs with 128-byte FIFO for each TX and RX

•Supports data communication speeds up to 921.6kbps (standard model 460.8kbps)

•+/-15kV ESD protection on all signal pins

•Full modem control signals

•Software compatible with all operating systems

•Plug and Play, no jumpers to configure

•3’ breakout cable terminating with industry-standard DB9M connectors

Applications

•POS (Point-of-sale) Systems

•Gaming Machines

•Transportation Stations

•Telecommunications

•Industrial Automation

•ATM (Automated Teller Machine) Systems

•Multiple terminal control

•Office Automation

•Kiosks

Functional Description

These cards feature high performance 16C950 class UARTs which support the complete

16C550 and 16C950 modes. Each port is capable of data communication speeds up to

921.6kbps (standard model up to 460.8kbps) in asynchronous mode and has 128-byte deep

transmit and receive FIFOs to protect against lost data in multitasking operating systems, to

help reduce CPU utilization and to improve data throughput.

PCIe-COM232-8 User Manual

The card features a x1 lane PCIe connector which can be used in any available PCIe slot

width. The low profile MD1 form factor allows the card to be installed in small embedded

systems where a standard MD2 low profile card will not fit. The card can be used in both a

standard profile chassis or in a low profile chassis when used with the correct mounting

bracket. Our PCI Express RS-232 cards ship with a standard height PCIe mounting bracket

installed. This bracket also has threaded inserts above and below the VHDCI 68-pin

connector to facilitate installation of the strengthening bracket accessory. The industrialized

strengthening bracket accessory protects against damage to the very high density I/O card-

mounted connector when side-to-side tension can occur on the breakout cable.

A crystal oscillator is located on the card. This oscillator permits precise selection of standard

baud rates.

Figure 1-1: Block Diagram

Ordering Guide

•PCIe-COM232-8 PCI Express eight-port RS-232 card with standard height

mounting bracket and a 3’ DB9M breakout cable

•PCIe-COM232-8NC PCI Express eight-port RS-232 card with standard height

mounting bracket without cable

•PCIe-COM232-4 PCI Express four-port RS-232 card with standard height

mounting bracket and a 3’ DB9M breakout cable

•PCIe-COM232-4NC PCI Express four-port RS-232 card with standard height

mounting bracket without cable

PCIe-COM232-8 User Manual

Model Options

•-F Fast RS-232 transceivers (up to 921.6kbps)

•-L Low-profile mounting bracket

•-T Extended Operating Temperature of -40°C to +85°C

•-RoHS RoHS compliant version

•-W Wake-up enable (see Chapter 3: Hardware Details)

Optional Accessories

BRKT-551-SCB

Strengthening bracket

(for use with standard height PCIe bracket only)

ADAP9

Screw terminal adaptor DB9F to 9 screw terminals

ADAP9-2

Screw terminal adaptor with two DB9F connectors and 18

screw terminals

Special Order

Virtually any custom baud rate can be achieved with the standard card (see Table 5-2:

Sample Baud Rate Setting) and still be within the standard tolerance range for serial

communications. If that method doesn’t produce an exact enough baud rate a custom crystal

oscillator may be specified, contact factory with your precise requirement. Other specials:

conformal coating, custom software, RJ-45 connectivity, special breakout boxes, etc., we will

work with you to provide exactly what is required.

Included with your board

The following components are included with your shipment, depending on options ordered.

Please take the time now to ensure that no items are damaged or missing.

•Eight- or four-port card with standard height mounting bracket

•3’ breakout cable to DB9M connectors

•Software Master CD

•Quick-Start Guide

PCIe-COM232-8 User Manual

Chapter 2: Installation

A printed Quick-Start Guide (QSG) is packed with the card for your convenience. If you’ve

already performed the steps from the QSG, you may find this chapter to be redundant and

may skip forward to begin developing your application.

The software is provided with this card on the CD and must be installed onto your hard disk

prior to use. Perform the following steps as appropriate for your operating system.

A complete driver support package is provided including an easy-to-use Windows terminal

program for testing out your COM ports. This simplifies the verification of proper COM port

operating. The card installs as standard COM ports in all operating systems.

A software reference manual is installed as part of the software and support package for this

product. Please refer to this document for extensive information and guidance on software

tools and programming support at your disposal.

CD Software Installation

The following instructions assume the CD-ROM drive is drive “D”. Please substitute the

appropriate drive letter for your system as necessary.

DOS 1. Place the CD into your CD-ROM drive.

2. Type  to change the active drive to the CD-ROM drive.

3. Type  to run the install program.

4. Follow the on-screen prompts to install the software for this board.

Windows

1. Place the CD into your CD-ROM drive.

2. The system should automatically run the install program. If the install program does not

run promptly, click START | RUN and type , click OK or press .

3. Follow the on-screen prompts to install the software for this board.

Linux 1. Please refer to linux.htm on the CD-ROM for information on installing under linux.

Note: COM boards can be installed in virtually any operating system. We do support

installation in earlier versions of Windows, and are also likely to support future versions.

PCIe-COM232-8 User Manual

Hardware Installation

Caution! * ESD A single static discharge can damage your card and cause

premature failure! Please follow all reasonable precautions to

prevent a static discharge such as grounding yourself by touching

any grounded surface prior to touching the card.

1. Do not install the card into the computer until the software has been fully installed.

2. Turn OFF computer power AND unplug AC power from the system.

3. Remove the computer cover.

4. Carefully install the card in an available PCIe expansion slot (you may need to remove a

backplate first).

5. Inspect for proper fit of the card and install and tighten the mounting bracket screw. Make

sure that the card mounting bracket is properly screwed into place and that there is a

positive chassis ground.

6. Install a cable onto the card’s bracket mounted connector

7. If you purchased the optional DB9M breakout cable, you may have also purchased the

connector / cable stabilization bracket, which should be installed at this time

Figure 2-1: Installed Cards with Stability Bracket Accessories

8. Replace the computer cover and turn ON the computer.

9. Most computers should auto-detect the card (depending on the operating system) and

automatically finish installing the drivers.

10. Run one of the provided sample programs that was copied to the newly created card

directory (from the CD) to test and validate your installation.

Important: It is necessary to disable "hardware handshaking" (DTR) in your communication

program when operating in RS485 or RS422 mode.

PCIe-COM232-8 User Manual

Chapter 3: Hardware Details

There are no user-selectable options for this card, only factory options.

Figure 3-1: Card Dimensions

Fast RS-232 transceivers (-F)

The standard RS-232 transceivers used are capable of speeds up to 460.8kbps which is

adequate in many applications. For this factory option, the board is populated with high-speed

RS-232 transceivers enabling error-free communications at up to 921.6kbps.

Low-profile mounting bracket (-L)

For system designers where space is limited we offer a low profile mounting bracket option.

The strengthening bracket accessory can not be used with this option.

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