Lucent Technologies 7400B manual Operation and Configuration, Configuration Parameters

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DEFINITY Communications System

CHAPTER 4: OPERATION AND CONFIGURATION

7400B Data Module

 

User’s Guide

Page 4-1

 

 

CHAPTER 4: OPERATION AND CONFIGURATION

CONFIGURATION PARAMETERS

This chapter describes how to change, store, and recall configuration parameters, outlines how to create and save custom configuration profiles, and discusses more advanced command usage with example command lines.

Values for configuration parameters are selected by using AT commands to change values contained in the S-registers. The S- registers are a set of 8-bit memory locations that the data module reserves for storage of configuration settings. For a description of AT commands and S-registers used by the 7400B data module, refer to Appendix A, “AT Command Set,” and Appendix B, “S-Registers.”

Parameter Storage and Configuration parameter values include the option values selected by

RetrievalAT commands that require option values, and the values stored in the S-registers. A complete set of configuration parameter values is called a profile. The 7400B Data Module has four configuration profiles at any given time, one active, two stored, and one that permanently contains the factory-default values.

Unsaved changes to configuration parameters remain in effect until they are changed again, or until the data module is disconnected from the AC power source. Before making or storing any changes, or to check changes that you have made, you can issue an AT command to view the values that are currently in the active profile and the two stored profiles.

The active profile contains the parameter values that are currently in effect. All parameter values can be changed, and most changes can be stored to one of the two profile storage locations by issuing an AT command. Another AT command recalls values from one of the two stored profiles into the active profile.

Factory-default parameter values are a selection of values that are appropriate for a wide number of applications. These values are stored permanently in ROM and you can issue an AT command to recall them into the active profile at any time.

Commands to view, store, and recall configuration parameters are summarized in Table 4-1.The commands discussed in this section are described in greater detail in Appendix A, “AT Command Set. ” To determine whether a configuration parameter that affects a particular S- register can be stored in memory, refer to Appendix B, “S- Registers.”

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Contents AT&T 7400B Data Module To Order Copies of this Manual Contents Preface about this Guide 1C-1C-2C-5C-8 Guide TypographicalConventions Organization of thisRelated Troubleshooting. Describes procedures forAppendix C Application Notes. Contains notes on how to Appendix D Quick-Reference Summaries. Contains quickIntroduction Front Panel External FeaturesFront Panel LED Indicator Descriptions Connector DescriptionRear Panel Rear Panel Connector DescriptionsPower Supply Unit Software HardwareRequirements Typical Standalone Installation Typical Installation with Telephone Installation Installation With/Without Telephone Option SW1-1 Selecting DIP-Switch OptionsData Metering Option SW1-5 InstallationMake Busy on Local Loop Option SW1-8 Data Metering SW1-5 Factory-defaultOption DIP Switch Settings Telephone SW1-1Accessing the Hardware Option Switches Connecting the EIA-232-D Cable Supply Connecting the PowerDedicated Terminal Power-Up Self-TestIf YOU are Using a PC If YOU are Using aData Bits Parity Stop Bits Line or data modeOperating Modes Character FormatsEssential AT Commands AT Command Subset AT Command DescriptionMore Connect AT Command Subset ContdBusy Starting the Session Sample ON-LINE SessionSelection +++ No CarrierConfiguration Parameters Operation and ConfigurationCommand Line Action Command Line Set Up Issuing CommandsCommand Line Prefix Command BufferAts3= ddd Enter Result Codes CommandAcknowledgement Verbose Form Numeric DescriptionMultiple Characters From Data Mode to Command Mode and Back Dialing a NumberFollowing is an example At&z m=nnn...n Enter Commands for Using Stored Telephone NumbersConfiguration Recall ResetRemote Site USE At&f Enter Chapter HOW to USE thisPBX Symptom Problem SolutionCheck Speed LED At&d2 Enter Terminate the local loopback test by typing Atq0 o Enter Atx4 Enter LabelDescription Appendix a AT Command SETContd Escape sequence Immediate None Arguments none CommandAArguments none Registernone Examplea CommandD Command Function Switch hook control Ato Enter Command Function Type Arguments Register Example CommentsAtv Enter A-10 User’s Guide Reset and recall a stored profile Data Carrier Detect DCD options Data Terminal Ready DTR options Arguments none Registernone Example Command&FAt&t3 Enter see comment At&v Enter Registernone Example Command&YAt&z2=555-1212 Enter 055 Description Range Values Comments See Also Storable Register DescriptionStorable Comments From a data terminal Register S6 not used Register S8 not used S9 not used Register S13 not used Register S11 not usedRegister S15 not used Register Description Range Values Storable Comments See AlsoRegister S17 not used Register S19 not used S20 not used Values StorableRange of Values Storable Comments See Also RegisterS21Bits 0 and 1 not used default = 2, see comment Register S24 not used Register S27 not used AT&T 7400B Data Module PC Application Guide, ordering number PBX Application Notes PC Applications GuideSelect Result Messages Configuring the SoftwareProcomm Plus Select Modem OptionsPlacing a Call Select Save Setup OptionsC-4 Disconnecting CallPlacing a Call Directly Relay GoldSelect Call a Host Attmail DirectoryPress Esc to return to the Online menu as shown below Disconnecting a CallSelect the letter next to Hayes Smartmodem all models CrosstalkSelect the baud rate that you will use most often Bye Enter Appendix D QUICK-REFERENCE Summaries Table D-1 AT Command SET Command DescriptionSr=n Table D-1 AT Command SET Contd Table D-2 S-REGISTER Summary Register Description Range/UnitTable D-3 Result Codes ConnectedTable D-4 FACTORY-DEFAULT Configuration Parameter Value AT CommandR e Parameter Value Register Table D-4 FACTORY-DEFAULT Configuration ContdTable D-5 EIA-232-D PIN Assignments Pin Circuit Direction FunctionTable D-6 Ascii Character SET Ascii Control KEY Value CharacterTable D-6 Ascii Character SET Contd Glossary Glossary Script files. See command files Index Data Metering DTE, see Data Terminal Device DTR leadRear panel, 1-4Remote site use AT&T Important Safety Instructions Page Important Installation Safety Instructions

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.
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