Multi-Tech Systems MT3334SMI manual Introduction, Product Description, Features

ModemModule Developer’s Guide

Introduction

The MT3334SMI socket modem provides a fully-integrated data and fax communications design for communications over wide area networks using dial-up phone lines and the Internet.

This guide provides the Service Class 1 standard defining the commands that the developer can use to configure and control a fax/data modem and the responses (result codes) that the fax/data modem issues in response to the commands. This guide also provides the developer with specific Class 2 fax command protocol used to control the sending and receiving of faxes.

Product Description

The MT3334SMI is a standard 64-pin Socket Modem (Figure 1-1 illustrates the MT3334SMI in relationship to Multi-Tech’s Demo board) used for integrating data and fax communications. It provides:

•Low power consumption

•A serial TTL level interface

•Full-featured fax and datacomm operation

•A very small footprint for embedded applications

LED 4
LED 3	DS1
LED 2
LED 1

J4J3

S1

J7

J1

J5J6

J2

Figure 1-1. MT3334SMI and Demo Board

Features

•Complete fax / modem solution: includes the controller, data pump, and DAA

•Modem downloads at 33.6 Kbps via enhanced V.34 server and uploads at 33.6 Kbps (enhanced V.34)

•Supports V.42 error correction with V.42bis or MNP Class 5 data compression

•Supports industry-standard AT-style commands

•Standard TTL serial interface supporting DTE transfer speeds to 230.4 Kbps

•Remote configuration, diagnostic tests, Distinctive Ring, 3-number storage for automatic dialing, and Flash memory for firmware updates.

•Includes NOVRAM for stored parameters

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