Paradyne 3920, 3921 manual Paradyne, Overview Release 2.0 Feature Enhancements

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Paradyne

COMSPHERE 3900 Series Modems

Models 3920Plus and 3921Plus

Firmware Update Description, Release 2.0

Document Number 3920-A2-GK43-00

April 1995

Overview

This document provides an overview of the new features in the 3920Plus and 3921Plus modems as a result of Firmware Release 2.0. To obtain more information about the new features, please order the new release of the COMSPHERE 3900 Series Modems, Models 3920Plus and 3921Plus, Installation and Operation Manual (3920-A2-GN31-10). To order document number 3920-A2-GN31-10, please call 1-800-545-2354, extension 2222.

Release 2.0 Feature Enhancements

V.34 modulation

ÐLease and Dial line operation.

ÐData rates from 33.6K to 2400 bps with configuration capability.

Mux enhancements

ÐMSD support (V.34 family, V.32 family or TMp).

ÐDigital Bridging function.

ÐRemote Digital Loopback support.

Diagnostic Tail Circuit support ± Provides the following diagnostic features over extended circuits:

Ð392xPlus extension point-to-point or multipoint.

Ð32 downstream devices on TMp multipoint secondary channel.

Ð64 downstream devices on diagnostic channel.

ÐMixed network support for 3400, 3600, and 3800 devices.

Broadcast Download Clone over the Diagnostic Channel.

829 Type Loopback ± Provides support for control or tributary modems using Trellis Multipoint or V.32 family modulations.

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Contents Page Overview Release 2.0 Feature Enhancements Paradyne

3921, 3920 specifications

The Paradyne 3920 and 3921 are network access devices designed to facilitate high-speed data transmission over digital subscriber lines (DSL). These models are integral for telecommunications providers looking to extend network services to residential and business customers. The following highlights their main features, technologies, and characteristics.

One of the standout features of the Paradyne 3920 and 3921 is their ability to support multiple DSL technologies, including ADSL, ADSL2, and ADSL2+. This flexibility allows service providers to cater to varying customer needs by offering different bandwidth options. The devices are designed to efficiently deliver internet services with downstream speeds reaching up to 24 Mbps and upstream speeds up to 3.5 Mbps, making them suitable for modern applications such as video streaming, online gaming, and business continuity solutions.

The devices come equipped with advanced ATM (Asynchronous Transfer Mode) and Ethernet networking capabilities. This dual compatibility ensures that users can seamlessly transition between different network environments. The incorporation of ATM protocols enhances the efficiency of data transmission, particularly for applications requiring low latency and high reliability.

In terms of reliability, the Paradyne 3920 and 3921 feature built-in diagnostic tools that aid in network monitoring and troubleshooting. These tools provide valuable insights into line conditions, enabling service providers to maintain optimal service levels and quickly address potential issues. Moreover, the devices' user-friendly web-based interface allows technicians to easily configure settings and manage connections.

Security is a critical consideration for network devices, and the Paradyne 3920 and 3921 meet industry standards with their robust security features. They offer built-in firewalls and support for various encryption protocols, ensuring that customer data remains secure during transmission.

Another significant characteristic of these devices is their compact, modular design. This feature makes installation straightforward and minimizes space requirements in network environments. The option for modular upgrades allows providers to enhance capabilities without needing to replace the entire unit.

In conclusion, the Paradyne 3920 and 3921 are versatile access devices that support a range of DSL technologies and offer high-speed data transmission. With their robust diagnostic tools, security features, and modular design, they cater to a wide audience, ensuring reliable network access for both residential and business customers. With the ever-growing demand for bandwidth, these devices stand out as efficient solutions in the competitive telecommunications landscape.