Advantech PCL-849 Manual de usuario
PCL-849
4-Port RS-232
Interface Card
Copyright Notice
This documentation and the software included with this product are
copyrighted 1998 by Advantech Co., Ltd. All rights are reserved.
Advantech Co., Ltd. reserves the right to make improvements to the
products described in this manual at any time without notice.
No part of this manual or software may be reproduced, copied,
translated or transmitted, in any form or by any means without the
prior written permission of Advantech Co., Ltd. Information provid-
ed in this manual is intended to be accurate and reliable. However,
Advantech Co., Ltd. assumes no responsibility for its use, nor for any
infringements of rights of third parties which may result from its use.
Acknowledgments
PC-LabCard is a trademark of Advantech Co., Ltd. IBM, PC and
PC/XT/AT are trademarks of International Business Machines
Corporation. MS-DOS, MASM, QuickBASIC, Microsoft C and MS-
PASCAL are trademarks of Microsoft Corporation. Intel is a trade-
mark of Intel Corporation. Turbo C and Turbo PASCAL are trade-
marks of Borland International. MOXA is a trademark of Moxa
Technologies Inc.
Part No. 2003084900 1st Edition
Printed in Taiwan October 1998
Contents
Chapter 1: Introduction ................................................... 3
Description............................................................................. 4
Features.................................................................................. 5
Specifications......................................................................... 5
Chapter 2: Hardware Installation .................................... 9
Initial Inspection ................................................................. 10
Card Installation ................................................................. 11
Card Configuration ............................................................ 12
Default Settings ................................................................... 12
I/O Address and Interrupt Setup ...................................... 12
Enhanced Mode .................................................................. 13
Speed Mode selection.......................................................... 18
Chapter 3: Software Installation ................................... 19
Operating Environment Selection ..................................... 20
Driver Installation for DOS Users ..................................... 20
Driver Installation for Windows 3.1 Users ....................... 25
Installation for Windows 95 Environment ....................... 26
Installation for Windows NT Environment ...................... 28
Chapter 4: Wiring ........................................................... 29
Connector Pin Assignments ............................................... 30
Wiring .................................................................................. 31
Appendix A: PC I/O Address Reference ......................... 33
PC I/O Address Usage ........................................................ 34
Appendix B: Quick Reference ........................................ 35
Chapter 1 Introduction 3
1
Introduction
CHAPTER
4PCL-849 User's Manual
Description
The PCL-849 series are four port serial communication interface
cards. Each port can be configured individually to RS-232 using on-
board jumpers.
PCL-849A/849B serial ports are implemented using 16C554 UARTs
which make serial I/O more reliable. For higher performance, 16654
UARTs can be installed in place of the 16C554 to create the PCL-
849+. By buffering data into 64-byte packets before putting it on the
bus, UARTs drastically reduce the CPU load. This makes the
PCL-849+ especially suitable for high-speed serial I/O applications
under multitasking environments and for applications involving high
data rates.
PCL-849 series cards support two operating modes: standard mode
and enhanced mode. In standard mode each of the four port addresses
can be set individually. In enhanced mode, all four port addresses can
be set automatically. The PCL-849+ also supports either shared IRQ
or independent IRQ functions. When an on-board interrupt occurs the
interrupt status register (vector address) indicates which port generat-
ed it. The shared interrupt can be set to most common (extended) AT
interrupts. This simplifies programming, speeds interrupt processing
and frees interrupts for other devices.
Each card comes with DOS drivers and PC-ComLIB, a serial commu-
nications library. PC-ComLIB supports most common languages,
including C, Pascal, Visual Basic, assembly and Clipper. The PC-
ComLIB package also includes the DataScope viewer, terminal
emulator and self-diagnostics utilities for easy troubleshooting and
debugging.
Chapter 1 Introduction 5
Features
vFour independent RS-232 serial ports
vTransmission speeds up to 921.6 Kbps
vIndependent/Shared I/O addresses and IRQ settings for each of 4
serial ports
vWide IRQ selection: 3, 4, 5, 6, 7, 9, 10, 11, 12, 15
vSupports Standard DOS COM1, COM2, COM3, and COM4
vSupports DOS/Windows 3.1 (PC-ComLib), Windows 95, Windows
NT
vSupports surge protection: 2000 VDC (PCL-849B/849+)
vPC-ComLib software included
vLED indicators on each port indicate data flow
vCompatible with standard PC ports: COM1, COM2, COM3, COM4
vOn-board interrupt status register for greater throughput
vComplete RS-232 Modem-control signals
Specifications
· Bus interface: ISA
· Number of ports: 4
· I/O address: 0x0200 ~ 0x03F8
· IRQ: 3, 4, 5, 6, 7, 9, 10, 11, 12, 15
· Data bits: 5, 6, 7, 8
· Stop bits: 1, 1.5, 2
· Parity: none, even, odd
6PCL-849 User's Manual
· UART:
4 × 16C554 (PCL-849A/849B)
4 × 16C654 (PCL-849+)
· Speed (bps): 50 ~ 921.6K
· Connectors: 30-cm male DB-37 to 4 × DB25 male (DTE)
· Data signals: TxD, RxD, RTS, CTS, DTR, DSR, DCD, RI, GND
· Surge protection: 2000 VDC (PCL-849B/849+)
· Power requirement: 250 mA typical 500 mA max. (+5 V),
70 mA typical. 120 mA max.(±12 V),
· Dimensions: 185 mm×98 mm
· Operating Temperature.: 0 ~ 60° C (refer to IEC-68-1.2.3 item)
· Storage Temperature: -25 ~ 80° C
· MTBF: over 135,000 hrs at 25° C, ground-fix environment
Chapter 1 Introduction 7
Figure 1-1: Switch and jumper layout
8PCL-849 User's Manual
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