DEFINITY Communications System

APPENDIX D: QUICK-REFERENCE SUMMARIES

7400B Data Module

 

User’s Guide

Page D-3

 

 

Command

Description

 

 

&C0

Maintain DCD circuit in ON state.

&C1

DCD circuit operates according to EIA-232-D specification.

&D0

Ignore DTR signal.

&D1

Return to command mode if ON/OFF transition of DTR is

 

detected; active call is not disconnected.

&D2

Return to command mode if ON/OFF transition of DTR is

 

detected; active call is disconnected.

&D3

Perform reset if ON/OFF transition of DTR is detected.

&F

Recall factory-default configuration profile.

&S0

Maintain DSR circuit in on state.

&S1

DSR circuit operates according to EIA-232-D specification.

&T0

Terminate any test in progress.

& T l

Initiate local digital loopback test.

&T2

Same as &T1.

&T3

Initiate local data loopback test.

&T4

Allow remote digital loopback request from remote endpoint.

&T5

Deny remote digital loopback requests from remote endpoint.

&T6

Initiate remote digital loopback test.

&T7

Initiate remote digital loopback test with self-test.

&T8

Initiate local digital loopback test with self-test.

&V

Display active and stored configuration profiles.

&W0

Store active configuration profile in location 0.

&W1

Store active configuration profile in location 1.

&Y0

Recall configuration profile stored in location 0 at start-up.

&Y1

Recall configuration profile stored in location 1 at start-up.

&Z0

Store the following telephone number in location 0.

&Z1

Store the following telephone number in location 1.

&Z2

Store the following telephone number in location 2.

&Z3

Store the following telephone number in location 3.

TABLE D-1 AT COMMAND SET (Contd.)

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Lucent Technologies 7400B manual Table D-1 AT Command SET Contd

7400B specifications

The Lucent Technologies 7400B is a notable entry in the landscape of telecommunications and networking technology, showcasing an innovative blend of features and capabilities that cater to the evolving demands of modern communication systems. Released as part of the company's broader portfolio aimed at enhancing network efficiency and reliability, the 7400B addresses the needs of both voice and data transmission organized around high-performance protocols.

One of the main features of the Lucent Technologies 7400B is its advanced signal processing capabilities. The device is built to handle a significant amount of bandwidth, making it suitable for high-capacity environments where data traffic can fluctuate dynamically. With its ability to support various signaling protocols, the 7400B is adept at integrating with existing infrastructure while providing the flexibility required to adopt emerging technologies.

The 7400B employs state-of-the-art voice encoding and compression techniques that optimize the quality of voice communications. This technology ensures clarity and minimizes latency, which is crucial for enterprises relying heavily on voice-over-IP (VoIP) applications and unified communications. The system supports multiple codecs, enabling it to seamlessly manage both traditional telephony and next-generation voice services.

In terms of reliability, the Lucent 7400B features robust redundancy protocols, ensuring continuous service availability even in the face of potential hardware failures or unexpected disruptions. It also includes built-in diagnostic tools that facilitate rapid troubleshooting, allowing technicians to identify and resolve issues efficiently. This focus on reliability makes the 7400B a preferred choice for critical business applications where downtime can lead to significant productivity losses.

The integration of advanced networking technologies such as Quality of Service (QoS) further enhances the performance of the 7400B. This capability ensures that high-priority applications receive the necessary bandwidth, maintaining optimal performance levels regardless of overall network traffic loads.

Moreover, the Lucent Technologies 7400B is designed with scalability in mind. Organizations can start with a basic configuration and expand their capacity as needed, thus ensuring that their investment remains relevant as their communication demands grow. This scalability is complemented by a user-friendly management interface, allowing network administrators to configure and monitor the system with ease.

In summary, the Lucent Technologies 7400B stands out for its advanced signal processing, voice encoding capabilities, reliability features, and scalability. These characteristics make it a vital component for any organization looking to enhance their telecommunications infrastructure and meet the increasingly complex communication needs of today’s digital landscape.