User`s manual

Table of Contents
About this User's Guide .......................................................................................................................6
What you will learn from this user's guide .........................................................................................................6
Conventions in this user's guide .........................................................................................................................6
Where to find more information.........................................................................................................................6
Chapter 1
Introducing the CYCOM 485.................................................................................................................7
Chapter 2
Installing a CYCOM 485........................................................................................................................8
Base Address ......................................................................................................................................................8
Interrupts.............................................................................................................................................................9
COM3 and COM4..............................................................................................................................................9
Disabling Existing COM Ports...........................................................................................................................9
Cabling .............................................................................................................................................................10
Chapter 3
Operation ............................................................................................................................................12
Introduction and Programming Example..........................................................................................................12
Transmitter/Receiver Enable Register..............................................................................................................12
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