National Instruments 3.22E+04

Glossary

MB megabytes of memory

PC personal computer

PCI Peripheral Components Interconnect

RAM random-access memory

RI ring indicator

RTS request to send

RX receive

RXD receive data—the overscore denotes that the signal is active low

s seconds

SCSI Small Computer Systems Interface

TX transmit

TXD transmit data—the overscore denotes that the signal is active low

TXRDY transmit ready—the overscore denotes that the signal is active low

UART Universal Asynchronous Receiver/Transmitter

V volts

VDC volts direct current

VXI VME eXtensions for Instrumentation

Win16 describes a 16-bit Windows application

Win32 describes a 32-bit Windows application

Contents

Main Page Important Information Warranty Copyright Trademarks WARNING REGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS Compliance FCC/Canada Radio Frequency Interference Compliance* Determining FCC Class FCC/DOC Warnings Class A European Union - Compliance to EEC Directives Contents Page Figures Tables About This Manual Conventions Related Documentation National Instruments Corporation 1-1 PCI Serial for Windows Me/9x Introduction How to Use This Manual What You Need to Get Started Optional Equipment Serial Hardware Overview Page NI-Serial Software Overview Time-Saving Development Tools Page Installation and Verification Install the Software Page Install the Hardware Page Verify the Installation Page Connect the Cables DB-9 Connector Modular Jack Connector DB-25 Connector Figure 2-8 shows how to connect the cables when you install a four-port PCI serial board. Figure 2-8. Connecting the Cables to Your Four-Port PCI Serial Board Page Table 2-4. 68-Pin Connector Pin Descriptions 100-Pin Connector Connecting Two-Wire Devices Configuration View or Change Communication Port Settings Port Settings Tab Page Transceiver Mode Use FIFO Buffers Restore Defaults Using Your Serial Hardware General Programming Requirements Advanced Transceiver Control for the PCI-485 Four-Wire Mode Two-Wire Mode: DTR with Echo Two-Wire Mode: DTR Controlled Two-Wire Mode: TXRDY Auto Control Setting the Transceiver Control Mode Setting the Transceiver Mode with DeviceIoControl Page A Serial Port Information RS-232 RS-422 RS-485 Serial Communication Issues Duplex Architectures Full Duplex Half Duplex Termination Bias Resistors Page DTE vs. DCE B Uninstalling the Hardware and Software Uninstall the Hardware Uninstall the Software Page Page C Troubleshooting and Common Questions Freeing an Interrupt Request Level Selecting Conflict-Free Resources Troubleshooting Diagnostic Messages No National Instruments Serial Port Found Diagnostic Utility Does Not Show All Installed Ports Address Test Failed Interrupt Test Failed Resolving Resource Conflicts with Legacy Boards Forcing Windows to Detect Your Hardware Page Common Questions Page D Specifications Two-Port Boards Isolated Two-Port Boards Four-Port Boards Isolated Four-Port Boards Eight-Port Boards Sixteen-Port Boards Environmental Characteristics Software Characteristics E Technical Support Resources Web Support NI Developer Zone Customer Education System Integration Worldwide Support Glossary Page Page Index Numerics A B C D E F G H I L M N O R S T U V W