National Instruments AT User Manual Page 17
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Chapter 1 Introduction
© National Instruments Corporation 1-3 Serial Hardware and Software for Windows
Optional Equipment
For more information about ordering the following optional equipment,
contact National Instruments:
• DB-9 RS-485 termination connector (PCI-485, PCMCIA-485,
PXI-8421, PXI-8423, and AT-485 only)
• 10-position modular jack to DB-9 cable (PCI, PXI, and AT four-port
boards only)
• 10-position modular jack to DB-25 cable (PCI, PXI, and AT four-port
boards only)
• 68-pin to DB-9 adapter cable (PCI and PXI eight-port boards only)
• RS-232 9-pin to 9-pin null modem cable
• RS-232 9-pin to 25-pin null modem cable
• RS-485 9-pin to 9-pin null modem cable
• Breakout box (PCI/PXI-232 16-port board only)
Serial Hardware Overview
PCI Kits
The serial hardware gives you a variety of solutions for serial
communication. The PCI-232 boards work with the RS-232 protocols, and
the PCI-485 boards work with the RS-422 and RS-485 protocols. You can
use the PCI-232 boards for serial communication up to distances of 50 ft.
You can connect the PCI-485 boards to up to 31 devices using serial cable
lengths up to 4,000 ft.
Additionally, the PCI serial boards are available in a two-port version
(PCI-232/2 and PCI-485/2), a four-port version (PCI-232/4 and
PCI-485/4), an eight-port version (PCI-232/8 and PCI-485/8), and a
sixteen-port version (PCI-232/16). The two-port versions use DB-9
connectors. The four-port versions use 10-position modular jacks to
provide all four connections on a single back panel. Optional cable
accessories convert the 10-position modular jacks to either DB-9 or DB-25
connectors with standard pinouts. The eight-port versions use adapter
cables to convert the 68-pin connector on the board to eight DB-9
connectors. The 16-port version uses a breakout box to convert the 100-pin
connector on the board to sixteen DB-9 connectors. Throughout this
manual, PCI serial boards refers to all versions of the PCI serial boards.
- Serial Hardware and 1
- Software for Windows 1
- User Manual 1
- Important Information 3
- Compliance 4
- Chapter 4 7
- Chapter 3 7
- Contents 10
- About This Manual 12
- Related Documentation 13
- FIFOs, National Semiconductor 14
- EXAR Corporation 14
- Introduction 15
- What You Need to Get Started 16
- Optional Equipment 17
- Serial Hardware Overview 17
- PXI Kits 18
- Chapter 1 Introduction 19
- PCMCIA Kits 20
- NI-Serial Software Overview 22
- Time-Saving Development Tools 22
- Figure 2-3 30
- Advanced Settings 31
- Figure 2-6 36
- Transceiver Mode 54
- Use FIFO Buffers 54
- FIFO Buffer Size 68
- Configuration 69
- Figure 4-6 79
- FIFO Enabled 89
- FIFO Buffers 89
- PCMCIA-232/2, PCMCIA-485/2 91
- Windows Me/9x 100
- Install the Hardware 101
- Figure 5-5 102
- AT Serial Board Installation 102
- Verify the Installation 103
- Verify the Hardware Resources 104
- Run the Diagnostic Test 105
- Port Settings Tab 107
- Advanced Port Settings 108
- Windows NT 109
- Install the Serial Hardware 110
- General Port Settings 114
- Resources 115
- Resource Settings 115
- AT Boards (Shared IRQ) 116
- AT Boards (Non-Shared IRQ) 117
- Using Your Serial Hardware 118
- Four-Wire Mode 119
- Two-Wire Mode: DTR with Echo 119
- Two-Wire Mode: DTR Controlled 119
- Windows 2000 120
- Windows NT/Me/9x 122
- Connector Descriptions 123
- DB-9 Connector 124
- Modular Jack Connector 125
- DB-25 Connector 126
- PCI serial board 127
- 68-Pin Connector 128
- Table A-4 129
- 100-Pin Connector 130
- Table A-5 131
- Serial Port Information 132
- Serial Communication Issues 134
- Half Duplex 135
- Termination 136
- Bias Resistors 136
- DTE vs. DCE 138
- Uninstalling the 139
- Hardware and Software 139
- PCI Hardware 140
- Uninstall the Software 141
- Uninstall the Hardware 141
- PXI Hardware 145
- PCMCIA Hardware 150
- AT Hardware 155
- Figure C-11 157
- Troubleshooting and 160
- Common Questions 160
- Address Test Failed 162
- Interrupt Test Failed 162
- PCI and PXI Boards 166
- AT Boards 166
- PCMCIA Boards 167
- \Windows\system 168
- PCI and PXI Hardware 170
- AT and PCMCIA Hardware 172
- Resolving Resource Conflicts 178
- WinNT\system32\drivers 179
- Specifications 183
- Four-Port Boards 184
- Isolated Four-Port Boards 184
- Eight-Port Boards 185
- 16-Port Boards 185
- Environmental Characteristics 186
- Software Characteristics 186
- PXI Serial Hardware 187
- PCMCIA Serial Hardware 190
- AT Serial Hardware 191
- Technical Support Resources 194
- Worldwide Support 195
- Glossary 197
- Numerics 199
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