B Appendix B: Pc Serial Ports; Overview - Avaya Partner 18 Connection Manual

Appendix B: PC Serial Ports

Overview

This appendix provides detailed information about PC serial ports, including
background information about what they are and how they work, how Microsoft
Windows 3.1 manages them, how to resolve problems using COM3 or COM4
under Windows, and how to choose serial port hardware that is well-suited to
PassageWay Solution. If you are familiar with serial port terminology (for
example, I/O port addresses, IRQs, etc.), you may wish to skip over the
background section. If not, you should review the background section before
reading further.
If you are having problems using PassageWay Solution on COM3 or COM4,
you should refer to "Workarounds and Solutions to the IRQ Conflict Problem"
for advice on solutions and workarounds. If you intend to purchase an add-on
serial port card for use with PassageWay Solution, you should refer to
"Selecting an Add-In Serial Port Card" for information that can assist you in
selecting a card.
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