Page - ix
Table of Contents
FOREWORD .............................................................................................. iii
Guarantee ................................................................................................. iv
Limited Warranty ..................................................................................... iv
Return Procedure..................................................................................... v
Limitation of Liability ................................................................................ v
Advisories ................................................................................................ vi
Chapter 1: Installation .................................................................................................. 1
Backing Up The Disk ............................................................................................................................ 1
Hard Disk Installation ............................................................................................................................ 1
Installing The Card ................................................................................................................................ 4
Windows NT 4.0 Installation Instructions for the PCI-COM485/8 .................................................... 4
Interrupts ........................................................................................................................................ 5
Input/Output Connections ............................................................................................................... 6
Chapter 2: Functional Description .............................................................................. 8
RS-485 Balanced Mode Operation ................................................................................................. 8
Comm Port Compatibility ............................................................................................................... 8
Communication Mode .................................................................................................................... 8
Baud Rate Ranges ......................................................................................................................... 9
Auto-RTS Transceiver Control ........................................................................................................ 9
Chapter 3: Option Selection ...................................................................................... 10
Terminations ................................................................................................................................. 10
Data Cable Wiring ......................................................................................................................... 10
Baud Rate Ranges ........................................................................................................................ 11
Chapter 4: Address Selection .................................................................................... 12
Chapter 5: Programming ........................................................................................... 13
Sample Programs ................................................................................................................................ 13
RS-485 Programming ....................................................................................................... 13
Initialization ...................................................................................................................... 13
Reception ..................................................................................................................................... 15
Transmission ................................................................................................................................ 16
Chapter 6: Specification ............................................................................................ 17
Communications Interface ............................................................................................................. 17
Environmental ............................................................................................................................... 17
