Introduction - Motorola 3260FAST User Manual

Introduction

This chapter summarizes the features and options of the 326X Series Modem. The
series includes:
In this guide, references to the modem apply to all of the above, unless stated
otherwise.
IMPORTANT: When you select a modulation mode, you must ensure that the Max
Rate (AT*MX) and Min Rate (AT*MN) parameter options are within the valid range
for the mode.
The modem provides reliable data communication over 2-wire dial lines and 2-wire
or 4-wire leased lines, depending on the model. Dial lines are public lines to which
all telephone users have access; leased lines, also called private lines, provide a
dedicated connection, over lines provided by the telephone company.
Whether you use dial or leased lines, you can operate the modem as follows:
Figure 1-1 shows desktop, or standalone, modems. The device is also available in
high-density nest cards, which offer the same features, and can be installed in
Motorola's Modulus 9-slot and Modulus 21-slot rack-mounted enclosures.
1-2 About the Modem
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• The 326X V.32bis Series Modem, which operates in V.32bis modulation mode
• The 326XFAST Series Modem, which can operate in V.34 modulation mode
• The 326XFAST-SDC Series Modem, which can operate in V.34 modulation
mode and the Synchronous Data Compression mode
• Using the front panel: control keys and liquid-crystal display (LCD)
• Using industry-standard (AT and AT&), and Motorola-enhanced (AT
commands from an attached terminal, or commands from an asynchronous
communications software package running on an attached PC
• From a network management system (NMS)
• Using call establishment methods, such as V.25bis or LPDA2 automatic call
units (ACUs)
* ) AT