Paradyne 3821PLUS manual Introduction, Overview, Features

Introduction 1

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Status Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

SDCP Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

LCD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

Overview

The 3821Plus is a member of the COMSPHERE 3800 Series Modem product line. The 3821Plus card comprises three modems, permitting as many as

48 modems to be installed in a single 3000 Series Carrier. Each is a software-definable high-speed modem that offers reliable asynchronous and synchronous operation over dial or two-wire leased-line networks.

Features

The 3821Plus modem has a wide variety of features, including:

•Dial-Line Modulations: ITU-T V.34 (up to

33,600 bps), V.32terbo (19,200 and 16,800 bps), ITU-T V.32bis (up to 14,400 bps), V.32 (up to 9600 bps), V.22bis (2400 bps), V.22 (1200 bps), V.21 (300 bps), Bell 212A (1200 bps), and Bell 103J (300 bps).

•Two-wire Leased-Line Modulations: ITU-T V.34 (up to 33,600), V.32terbo (19,200 and 16,800 bps), V.32bis (14,400, 12,000, 9600, 7200, and

4800 bps), V.32 (9600 and 4800 bps), and V.22bis

(2400 bps).

•Class 1 and Class 2 Group III Fax modulations: ITU-T V.17 (14,400, 12,000, 9600, 7200 bps), V.29 (9600, 7200 bps) and V.27ter (4800, 2400 bps).

•Convenient migration to new or optional features through software downloading.

•ITU-T V.42bis and MNP Class 5 data compression.

•Virtual error-free data integrity with ITU-T V.42 and MNP Levels 2± 4 error control.

•Asynchronous dial DTE data rates from 300 bps to 115,200 bps.

•Optional Enhanced Throughput Cellular (ETC), which improves reliability and speed over cellular links.

•Compatibility with the industry de facto standard AT Command set.

•High-speed transmission using asynchronous, synchronous, or UNIX devices over full- or half-duplex dial networks or 2-wire leased lines.

•Supported under the COMSPHERE 6700 or

6800 Series Network Management System (NMS).

•Compatibility with standalone COMSPHERE

3800Plus, 3800, and 3900 Series modems' Remote Access Mode, which allows users to view the configuration options of a 3821Plus modem from a remote Diagnostic Control Panel (DCP) or Shared Diagnostic Control Panel (SDCP).

3821-A2-GB20-40 January 1999 1-1