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Chapter 1 - Introduction
MT128ISA/PCI
Chapter 1 - Introduction
Product Overview
Welcome to the world of ISDN communications. You have acquired one of the finest ISDN terminal adapters
(TAs) available today, the MultiModemISDN from Multi-Tech Systems.
The proliferation of PCs and LANs with bandwidth-intensive applications has generated a powerful demand for
high-speed connections. The worldwide standardization of ISDN, combined in many countries with its growing
availability and falling cost, make it a natural choice for enhancing data throughput. Terminal adapters provide
high-performance solutions for Internet access, file transfer, remote access service (RAS), and running
existing modem applications through the ISDN network.
Product Description
The MT128ISA and MT128PCI are internal PC cards for IBM personal computers; and fit into a full-or half-
sized expansion slot. There are two ISDN interface options, ST and U. If you purchased the ST interface
adapter (MT128PCI-SD/SV), you need an ISDN NT1device connection to the ISDN switch. If you purchased
the U interface adapter (MT128ISA-UV), it can directly connect to the ISDN switch (figure 1-1).
Figure 1-1. ST and U Interface Options
Your internal ISDN PC card is compatible with prevalent ISDN switch protocols. It communicates using ISDN
BRI (2B+D) service, which provides up to 128K bps data communications.
This manual documents the following models:
MT128PCI-SD for ST interface no POTS port
MT128PCI-SV for ST interface with one POTS port
MT128ISA-UV for U interface with one POTS port
All of the current analog devices, including telephone set, G3 fax, answering machine, modem, and PBX trunk
line, can be connected to the POTS port via an RJ-11 jack in V models.
This User Guide will help you install, configure, and operate your terminal adapter.