Appendix C - Dial Pulse and Tone-Dial Frequencies. Multitech MT1432BA, MT2834BAI, MT2834BA

Multitech MT1432BA is an intelligent data/fax modem that provides reliable and efficient communication capabilities for your computer. With its advanced features, this modem is ideal for both home and office use. This modem is designed to offer a seamless and feature-rich communication experience, allowing you to connect with other devices, transfer data, and send and receive faxes with ease.

MultiModemBA User Guide

Appendix C - Dial Pulse and Tone-Dial Frequencies

Dial Pulses

Closed

Open

Digit 2 Digit 1

In the example above, the digit 2 is pulse dialed, followed by the digit 1. Each pulse consists of an A mSec. open and a B mSec. closed, where A will be either 60 or 67 mSec and B will be either 40 or 33 mSec., for a total of 100 mSec. per pulse, or a rate of 10 pulses per second. The interdigital pause time is 800 mSec. The pulse ratios are controlled by the &P command.

Tone Dial Frequencies

Hz Digits

697

1 2 3 A

770

4 5 6 B

852

7 8 9 C

941

0 # D

Hz 1209 1336 1477 1633

130

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Key Features

Send and receive faxes: The MT1432BA allows you to send and receive faxes directly from your computer, eliminating the need for a separate fax machine.
High-speed data transfer: With support for speeds up to 14.4 Kbps, the MT1432BA enables fast and efficient data transfer, making it suitable for downloading files, browsing the internet, and more.
Caller ID: The modem supports Caller ID, allowing you to identify incoming callers and decide whether to answer or not.
Voice mail: The MT1432BA can be used as a voice mail system, allowing you to receive and manage voice messages from callers.
Error correction: The modem employs error correction techniques to ensure reliable data transmission, minimizing errors and ensuring data integrity.