National Instruments AT-232/2 Getting Started page 9

Table of Contents
Figure 2-6. 10-Position Modular Jack Pin Locations................................................. 2-9
Figure 2-7. DB-25 Connector Pin Locations.............................................................. 2-10
Figure 2-8. Connecting the Cables to Your Four-Port AT Serial Board .................... 2-11
Figure 3-1. niports Configuration Utility ................................................................... 3-1
Figure 3-2. General Port Settings Dialog Box............................................................ 3-2
Figure 3-3. Resource Configuration Dialog Box for the PCMCIA-485 .................... 3-4
Figure 3-4. Resource Configuration Dialog Box for the PCMCIA-485/2 ................. 3-5
Figure 3-5. PnP Port Configuration Dialog Box for the AT-232/4 ............................ 3-6
Figure B-1. Typical Full-Duplex System.................................................................... B-4
Figure B-2. Typical Half-Duplex System ................................................................... B-4
Figure B-3. Multidrop Network Using Terminating Resistors ................................... B-5
Figure B-4. Transmission Line Using Bias Resistors ................................................. B-6
Figure B-5. Straight-Through Cabling in a DTE-to-DCE Interface ........................... B-7
Figure B-6. Null-Modem Cabling in a DTE-to-DCE Interface .................................. B-7
Figure C-1. Selecting an Interface to Uninstall........................................................... C-2
Figure C-2. Add/Remove Programs Properties Dialog Box ....................................... C-3
Figure C-3. Uninstallation Results.............................................................................. C-4
Tables
Table 2-1.
Table 2-2.
Table 2-3.
Table 4-1.
Table 4-2.
Table 4-3.
Table A-1.
Table A-2.
Table A-3.
Table A-4.
Table A-5.
Table A-6.
Table A-7.
Table B-1.
Serial for Windows NT
DB-9 Pin Descriptions............................................................................. 2-9
10-Position Modular Jack Pin Descriptions............................................. 2-10
DB-25 Pin Descriptions........................................................................... 2-11
Transceiver Control Modes ..................................................................... 4-1
Transceiver Mode Control Bytes............................................................. 4-3
DeviceIoControl Function Input Values.................................................. 4-4
Physical Characteristics of the Two-Port AT Serial Boards.................... A-1
Physical Characteristics of the Two-Port Isolated AT Serial Boards ...... A-2
Physical Characteristics of the Four-Port AT Serial Boards.................... A-2
Physical Characteristics of the Four-Port Isolated Serial Boards ............ A-3
Physical Characteristics of the PCMCIA Serial Cards ............................ A-3
Environmental Characteristics of the Serial Hardware............................ A-4
Software Characteristics .......................................................................... A-4
RS-232, RS-422, and RS-485 Features ................................................... B-2
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