Owner`s manual

Introduction
MultiModemISI Hybrid Series, ISIHI-2S/2U 5
From the perspective of the server PC, the ISIHI-2S/2U is an eight-port
serial card with eight devices permanently attached to the serial ports. The
first four ports are the two terminal adapters, each of which appear as two
ports. The remaining four ports are the four central site modems. The
following chart summarizes the correlation of ports and devices.
Port Number Device ISDN Line Number
1TA 1
2TA 1
3TA 2
4TA 2
5 Modem 1
6 Modem 1
7 Modem 2
8 Modem 2
All of the ports on the ISIHI-2S/2U use the same interrupt request number
(IRQ) to get the attention of the PCs processor.
This Quick Start Guide for the ISIHI-2S/2U contains installation
instructions and technical support information to help you install the ISIHI-
2S/2U. This guide is written for audiences with basic PC skills; therefore,
step-by-step instructions for basic operations such as logging in and file
editing are not included.