AT&T MERLIN LEGEND Release 2.0 Data User's Manual
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AT&T MERLIN LEGEND Release 2.0 Data User's Manual

AT&T MERLIN LEGEND Release 2.0 Data User's Manual

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MERLIN LEGEND
Communications System
Release 2.0
Data User's Guide
555-610-131
Issue 1
August 1991

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Summary of Contents for AT&T MERLIN LEGEND Release 2.0

  • Page 1 555-610-131 Issue 1 August 1991 MERLIN LEGEND Communications System Release 2.0 Data User’s Guide...

  • Page 2: Issue

    AT&T 555-620-129 © 1992 AT&T Copyright Issue 1 Reserved All Rights October 1992 Printed in U.S.A. Notice Every effort was made to ensure that the information in this book was complete and accurate at the time of printing. However, information is subject to change.

  • Page 3: Table Of Contents

    Contents About This Guide Conventions How to Comment on This Guide About Data Communication Equipment Terminology Data Stations 1-12 Modem Pools 1-15 Data Hunt Groups 1-17 Communications Software Setup Synchronous Mode vs. Asynchronous 1-19 Mode Feature Finder Table of Contents...
  • Page 4 Contents Making and Answering Data Calls Making Analog Data Calls 3-14 Making Digital Data Calls Making Data Calls Through a Modem Pool 3-22 Features Account Code Entry Auto Answer All Data Status Personal Speed Dial 4-11 Privacy System Speed Dial 4-13 Call Progress Messages Table of Contents...

  • Page 5: Important Safety Instructions

    The exclamation point in an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product. IMPORTANT SAFETY INSTRUCTIONS Always follow these basic safety precautions when using your telephone equipment.
  • Page 6 Do not use the telephone during electrical storms in your immediate area. There is a remote risk of electrical shock from lightning. Unplug the telephone from the wall outlet before cleaning. Use a damp cloth for cleaning. Do not use liquid or aerosol cleaners on the telephone.

  • Page 7: Save These Instructions

    WARNING: For your personal safety, DO NOT install an MFM yourself. ONLY an authorized technician or dealer representative shall install, set options, or repair an MFM. To eliminate the risk of personal injury due to electrical shock, DO NOT attempt to install or remove an MFM from your MLX telephone.

  • Page 8: About This Guide

    About This Guide This book describes the data stations supported by the system and how to make and receive data calls on these stations when using the MERLIN LEGEND™ Communications System. This guide does not provide instructions for setting up your data station or loading and running your communications software.

  • Page 9: Conventions

    About This Guide Conventions The following typographical conventions are used in this book: Bold type is used for telephone buttons. Press SA Ring to select an SA button. is represented by The Carriage Return key may show However, your keyboard [ ENTER ] [ RETURN ] Italic type is used for emphasis and as a substitute for...

  • Page 10: How To Comment On This Guide

    About This Guide How to Comment on This Guide We welcome your feedback on this book. Please use the feedback form on the next page. If the form is missing, send your comments to A. Sherwood, AT&T, 99 Jefferson Road, Rm.

  • Page 11: About Data Communication Equipment

    About Data Communication Equipment This chapter provides an overview of the features and equipment used for data communications with the telephone communications system. It describes the following: data stations modem pools data hunt groups communications software setup synchronous mode vs. asynchronous mode For information on setting up your data station and loading and running your communications software, refer to your equipment or communications software documentation or...

  • Page 12: Terminology

    About Data Communication Equipment responsible for administering and managing your communications system. Terminology General terms used in describing data transfer in this guide are defined as follows. asynchronous data transmission — A method of transmitting a short bit stream of data, such as printable characters represented by a 7- or 8-bit ASCII code.
  • Page 13 About Data Communication Equipment endpoint — The final destination in the path of an electrical or telecommunications signal. local area network (LAN) — A networking arrangement designed for a limited geographical area. MLX port — A digital point of access into a communications system, computer, network, or electronic device.

  • Page 14: Data Stations

    About Data Communication Equipment Data Stations A data station is a combination of Data Terminal Equipment (DTE), such as a computer terminal, personal computer (PC), printer, optical scanner, or fax machine, and Data Communications Equipment (DCE), such as a modem or data module.
  • Page 15 About Data Communication Equipment Analog Data Stations Analog data stations use modems to send and receive information. Modems convert outgoing digital signals from the data terminal into analog signals for transmission, and convert incoming analog signals to digital signals for the data terminal.
  • Page 16 About Data Communication Equipment The following analog data stations are supported: Analog Voice and Analog Data. This endpoint includes an analog multiline telephone and a data terminal or PC connected to the system via a modem. A General Purpose Adapter (GPA) supplies the tip/ring (T/R) interface for the modem.
  • Page 17 About Data Communication Equipment Analog Data-only Station. This endpoint includes a terminal connected to the control unit via a The modem may accommodate a telephone; modem. however, the data station and telephone would not be independent of each other (for example, the telephone and data terminal cannot be used simultaneously.
  • Page 18 About Data Communication Equipment Digital Voice and Analog Data. This endpoint connects via a modem to a T/R interface supplied by a Multi-Function Module (MFM) in an MLX telephone which, in turn, connects to the control unit. The modem converts the digital signal to an analog signal that is sent through the MFM (in the MLX telephone) to the control unit.
  • Page 19 About Data Communication Equipment Digital Data Stations At a digital data station, you connect a data module to a DTE to place and answer data calls at that station. A data module transmits digital data to other digital data stations, including a local host computer or local area network (LAN) workstation.
  • Page 20 About Data Communication Equipment The following digital data stations are supported. Digital Voice and Digital Data. This endpoint connects to the control unit via a 7500B Data Module. The data module also has an attached MLX telephone. The MLX port is shared by both the telephone and the data station but they operate independently of each other.
  • Page 21 About Data Communication Equipment Digital Data-only. This endpoint connects to the control unit via a 7500B Data Module, but it does not include an MLX telephone. Data Stations 1-11...

  • Page 22: Modem Pools

    About Data Communication Equipment Modem Pools A modem pool acts as a conversion resource to accommodate communication between analog and digital data stations. The modem pool can be one or more pairs of DCEs, a pair being one data module connected via RS-232 interface to a modem.
  • Page 23 About Data Communication Equipment is established between digital and Once communication analog data stations, the communication is full duplex. The following illustration shows an example of modem pools for incoming and outgoing calls. Modem Pools 1-13...
  • Page 24 About Data Communication Equipment Dedicated outside analog lines can be connected directly into analog modems in an analog-to-digital modem pool (and through a data module to an MLX port on the system), as shown in the following illustration. Modem Pools 1-14...

  • Page 25: Data Hunt Groups

    About Data Communication Equipment Data Hunt Groups The data hunt group feature is used to designate a group of either modems or 7500B Data Modules (not both) to receive calls in a modem pool or to communicate with a local host computer or workstation on a LAN.
  • Page 26 About Data Communication Equipment The following illustration shows an example of modem pools as well as local host and workstations on a LAN assigned to data hunt groups. Data Hunt Groups 1-16...

  • Page 27: Communications Software Setup

    About Data Communication Equipment Communications Software Setup Before you can begin making and receiving data calls, you must properly connect your DTE and DCE equipment, then install a communications software or terminal emulation package to establish communication to transfer or receive data.
  • Page 28 About Data Communication Equipment Set the break key used by your communications software. Make any other changes necessary for your DTE hardware and system software to operate correctly with the DCE and communications software. If you are setting up your data station to receive data, you may need to enable an auto-answer feature for your communications software or DCE to receive incoming calls.

  • Page 29: Synchronous Mode Vs. Asynchronous Mode

    About Data Communication Equipment Synchronous Mode vs. Asynchronous Mode The instructions for data transfer in this guide are mostly for asynchronous mode. However, you can set up your 7500B Data Module to operate in synchronous mode at speeds of up to 64 kbps.

  • Page 30: Feature Finder

    Feature Finder This section identifies the features and procedures available for data users. Feature Finder...
  • Page 31 Feature Finder If you have . . . See . . . Page An analog data Making Analog Data station (connected via a modem) Calls A digital data station Making Digital Data 3-14 (connected via a 7500B Data Calls Module) If you want to .
  • Page 32 Feature Finder Page See . . . If you want to . . . Account Code Entry Track outgoing data calls for billing, forecasting, or budget reports Auto Answer All 4 - 5 Enable automatic answer capability of modem to answer data calls when you are unavailable 4 - 7...

  • Page 33: Making And Answering Data Calls

    Making and Answering Data Calls This chapter explains how to do the following: make data calls receive data calls make calls between analog and digital stations using a modem pool answer data calls Making and Answering Data Calls...

  • Page 34: Making Analog Data Calls

    Making and Answering Data Calls If you have a modem, your station is analog. See “Making Analog Data Calls.” If you have an 7500B Data Module, your station is digital. See “Making Digital Data Calls.” If you are calling an analog data station from a digital data station or vice versa, see “Making Data Calls Using a Modem Pool.”...

  • Page 35: Making Analog Data Calls

    Making and Answering Data Calls Making Analog Data Calls You can use analog data equipment to do the following: call another analog station call a digital station through a modem pool answer a data call How you make data calls depends on your data station equipment.

  • Page 36: Privacy Feature

    Making and Answering Data Calls Privacy Feature For data stations connected to analog multiline telephones via a GPA, you do not need to invoke the privacy feature. Privacy is not automatically activated on other analog data station configurations so the instructions include activating this feature when necessary.
  • Page 37 Making and Answering Data Calls Making Direct Analog Data Calls You can call the following endpoints directly from your analog data station without using the modem pool: inside analog data stations which include — a local host computer connected via a modem —...
  • Page 38 Making and Answering Data Calls Inside Call: From Analog Data Station Connected to Analog Multiline Telephone via GPA: Verify that the GPA adapter is in Basic Mode. Select line button, ICOM Ring or SA Ring button. Lift the handset or press Speakerphone. Dial the analog data station extension or analog data hunt group extension.
  • Page 39 Making and Answering Data Calls Inside Call: From Analog Data-only Station or Analog Data Station Connected to a Multi-function Module (in an MLX Telephone): If necessary, verify that the modem is in command state. Enter the appropriate modem command for dialing: atdt Enter #31 for privacy.
  • Page 40 Making and Answering Data Calls To Call Outside Analog Data Stations There are two ways to dial outside lines depending on the system operating mode: If your analog multiline telephone has SA buttons and you place an outside data calls using an SA button, you must dial a dial-out code before the telephone number.
  • Page 41 Making and Answering Data Calls Make sure you have the telephone number of the analog data station you are calling. NOTE: For analog data stations, you must enter a pause (,) in the dialing sequence to ensure that the system has time to access an outside line.
  • Page 42 Making and Answering Data Calls Outside Call: From Analog Data Station Connected to Analog Multiline Telephone via GPA: Verify that the GPA adapter is in Basic Mode. Select the line button, ICOM Ring or SA Ring button. Lift the handset or press Speakerphone. Dial the dial-out code, if you selected an SA or ICOM button, and the outside telephone number for the outside analog data station.
  • Page 43 Making and Answering Data Calls Outside Call: From Analog Data-only Station or Analog Data Station Connected to an Multi-function Module (in an MLX Telephone): 1. Put your modem in the command state using the instructions provided with your modem and communications software.
  • Page 44 Making and Answering Data Calls You can also use a System Speed Dial code. If you use the previous example but replace the dial-out code and telephone number with the system speed dial code 600, you would enter: Press Use the instructions supplied with your modem or data communications software to send data, receive data, and disconnect the call.
  • Page 45 Making and Answering Data Calls To Answer Data Calls on an Analog Data Station Your modem may be able to answer incoming data calls automatically, such as electronic mail messages or data transfers, if your computer or data terminal is on. You can answer data calls on an analog data station in two ways.

  • Page 46: Making Digital Data Calls

    Making and Answering Data Calls Making Digital Data Calls The following instructions provide examples of asynchronous data calls. Synchronous data calls are controlled from the front panel of the 7500B Data Module. See your data module documentation for details. You can use your digital data equipment to do the following: call another digital data station call an analog data station through a modem pool answer a data call...
  • Page 47 Making and Answering Data Calls Privacy Feature Privacy is automatically activated on all inside and outside digital data calls. System Data Features When placing data calls, you can use System Speed Dial or Personal Speed Dial codes instead of dialing the inside extension or outside telephone number, For data calls requiring account code entry, you can include the account code entry when dialing the outside telephone number.
  • Page 48 Making and Answering Data Calls Making Direct Digital Data Calls You can call the foll owing endpoints directly from your digital data station without using the modem pool: inside digital data stations connected via a 7500B Data Module which include —...
  • Page 49 Making and Answering Data Calls Inside Call: From a Digital Data Station Connected to a 7500B Data Module: type the dial command and the At the CMD: prompt, inside extension. For example to call extension 725, you would type: 2. Press The call progress messages appear.
  • Page 50 Making and Answering Data Calls To Call Outside Digital Data Stations If your telephone has SA buttons, an SA button is automatically selected after you type the dialing sequence and press . However, your dialing sequence must still include a dial-out code before the telephone number. If your telephone has ICOM buttons, an ICOM button is automatically selected after you type the dialing sequence and press...
  • Page 51 Making and Answering Data Calls Outside Calls: From a Digital Data Station Connected via a 7500B Data Module: 1. At the CMD: prompt, enter the dial command: 2. Enter the dial-out code and telephone number for the outside digital data station. You may also enter an account code.
  • Page 52 Making and Answering Data Calls the number You can also use a System Speed Dial code to dial if the System which must include the dial-out code. For example, Speed Dial code is 600, you would enter: Press . The call progress messages appear. To disconn ect the call: a.
  • Page 53 Making and Answering Data Calls To Answer Data Calls on a Digital Data Station The 7500B Data Module automatically answers incoming data calls, such as electronic mail messages, when your computer or data terminal is on and you have it set for automatic answer.

  • Page 54: Making Data Calls Through A Modem Pool

    Making and Answering Data Calls Making Data Calls Through a Modem Pool You can call digital data stations from an analog data station or vice versa using a modem pool. Some modem and 7500B Data Module pairs may be included in a data hunt group. In this case, you would dial or type the data hunt group extension instead of the data station’s extension.
  • Page 55 Making and Answering Data Calls Two-Stage Dialing Calls through a modem pool are placed using two-stage dialing: In the first stage, you enter the modem pool extension or data hunt group extension on, if available, for the analog-to-digital or digital-to-analog modem pool you are calling.
  • Page 56 Making and Answering Data Calls Calling Through an Analog-to-Digital Modem Pool You can call the following endpoints through an analog-to- digital modem pool: inside calls to digital data stations which include calls to a local host computer connected via a —...
  • Page 57 Making and Answering Data Calls Inside or Outside Call: From an Analog Data Station Connected to Analog Multiline Telephone via a GPA — to a Digital Data Station: 1. Verify that the GPA adapter is in Basic Mode. 2. Select the line button, ICOM Ring or SA Ring button, 3.
  • Page 58 Making and Answering Data Calls Second Stage Dialing: To call an inside digital data station: a . Enter the dial command: b. Enter the extension number of the digital data station you are calling. For example, to call a digital data station at extension 725, type To call an outside digital data station: a.
  • Page 59 Making and Answering Data Calls For example, using an account code of 12345 and a DSO channel number 815 (used to access the ACCUNET® Switched Digital Data Services line) to call a digital data station at telephone number 555-1234, you would enter: #82 12345 5551234 Dial...
  • Page 60 Making and Answering Data Calls Inside or Outside Call: From an Analog Data-Only Station or an Analog Data Station Connected via a Multi-function Module (in the MLX Telephone) — to a Digital Data Station: 1. First Stage Dialing: If necessary, verify that the modem is in command state.
  • Page 61 Making and Answering Data Calls f . When you are connected to the 7500B Data Module in the pool, a message similar to the following appears: Connected Call Status: Idle Type H for help: Second Stage Dialing: To call an inside digital data station: a.
  • Page 62 Making and Answering Data Calls To call an outside digital data station: a. At the CMD: prompt, type the dial command: b. Enter the dial-out code (or DSO channel number) and telephone number for the outside digital data station. You may also enter an account code.
  • Page 63 Making and Answering Data Calls You can also use a System Speed Dial code to dial the number which must include the dial- out code, For example, if the System Speed Dial code is 600, you would type: Press . The call progress messages appear. Use the instructions supplied with your modem and/or data communications software to send data, receive data, and disconnect the call.
  • Page 64 Making and Answering Data Calls Calling Through a Digital-to-Analog Modem Pool When using a digital data station, you can call the following endpoints through a digital-to-analog modem pool: inside calls to analog data stations which include — calls to a local host computer connected via a modem —...
  • Page 65 Making and Answering Data Calls Inside or Outside Calls: From an Digital Data Station to an Analog Data Station: The following are general instructions for placing and receiving calls. See the instructions supplied with your 7500B Data Module for further details. 1.
  • Page 66 Making and Answering Data Calls Second Stage Dialing: To call an inside analog data station: a. Enter the appropriate modem command for dialing: a t d t b. Enter #31 for privacy. c. Dial the analog data station extension. For example, when using a Hayes-type modem to make an inside call to another analog data station at extension 22 with privacy activated, you would enter:...
  • Page 67 Making and Answering Data Calls Enter #31 for privacy. a comma to c. Enter the dial-out code, outside telephone insert a pause, and the enter an account number. You may also code. a Hayes-type modem For example, if you are using to make an outside call to analog data station at telephone number 555-1234 with an account code of 12345, the dial-out code of 9 and privacy...
  • Page 68 Making and Answering Data Calls You can also use a System Speed Dial code. If you use the previous example but replace the dial-out code and telephone number with the System Speed Dial code 600, you would enter: 3. Press 4.
  • Page 69 Making and Answering Data Calls Dialing In From An Outside Data Station Through a Modem Pool To dial an inside data station from a data station located in another building or off-site, you would use the same two-stage dialing method. For the first stage, you dial the telephone number for the appropriate modem pool or the number for the data hunt group that provides access to the appropriate modem pool.

  • Page 70: Features

    Features This chapter lists system data features and provides instructions for programming and using them. Some features must be programmed on your telephone before you can use them. Others are built into the system and do not need programming. The system can use the following features for data, However, not all data station types can use all of the features.

  • Page 71: Data Station Features

    Features Data Station Features Data Feature Name Terminal Modem Account Code Entry See Note 5 See Note 5 See Notes 1 & 6 Auto Answer All See Note 5 See Note 2 Data Status See Note 2 Privacy See Note 4 See Note 3 Personal Speed Dial See Note 5 See Note 5...

  • Page 72: Account Code Entry

    Features Account Code Entry The Account Code Entry feature lets your company track incoming and outgoing data and voice calls and identify the employee, project, or client associated with the call. The account codes and instructions on when to use them are supplied by your company.
  • Page 73 Features to an Analog Data Stations Connected a GPA Analog Multiline Telephone via Follow instructions in Chapter 3 for dialing. Account is entered after dial command. code Press Feature. Dial #82 Dial the account code and end with a #. Continue with data call procedures.

  • Page 74: Auto Answer All

    Features Auto Answer All Use these instructions only if your data station includes an analog multiline telephone. Check to see that your modem and your computer or data terminal are both set to on to ensure that you receive data calls.
  • Page 75 Features Programming an Auto Answer All Button on a Analog Multiline Telephone 1. Label the button to be programmed as Auto Answer All . 2. Slide T/P switch to P. 3. Press Auto Answer All. 4. Dial 5. Slide T/P switch to center to end programming. Auto Answer All...

  • Page 76: Data Status

    Features Data Status The Data Status feature allows monitoring station activity (busy, not busy) of any data station. Although this feature is similar to having Auto Dial button in that it lights the green LED to indicate station busy, pressing the button has no effect on the data call nor does it dial the data station number.
  • Page 77 Features 8. Respond to the prompt with the extension number of the equipment to be monitored. 9. Select Enter. 10. Press Home. On an MLX Non-Display Telephone: Label the button Data Status including the extension of the equipment to be monitored. Press Feature and dial 00.

  • Page 78: Personal Speed Dial

    Features Personal Speed Dial Use Personal Speed Dial on your MLX-10D telephone to dial 2-digit codes instead of the entire dialing sequence for numbers you call most often. Personal Speed Dial can be used for accont codes, long distance access codes, and area codes.
  • Page 79 Features NOTE: For analog data-only and analog data stations connected to a Multi-Function Module (in an MLX Telephone), Personal Speed Dial codes must be programmed them. Your system manager centrally for you to activate can give you a list of Personal Speed Dial codes and the numbers they represent.

  • Page 80: Privacy

    Features Privacy Privacy is automatically activated on data calls from digital data stations or from analog data stations connected to an analog multiline telephone via a GPA. Use these instructions only if your analog data station does not have an analog multiline telephone connected.
  • Page 81 Features NOTE: If you activate Privacy for a data call, it remains on until you turn it off. If the system activates Privacy automatically, it automatically turns off Privacy as well. To Activate Privacy on an Analog Data-Only Station and Analog Data Station Connected to a Multi-Function Module (in an MLX Telephone 1.

  • Page 82: System Speed Dial

    Features System Speed Dial you dial a 3-digit code for frequently System Speed Dial lets important to you used numbers that are and other data station users. (These codes are often used to ensure security of telephone numbers for outside host computers. ) Your company can provide you with a list of System Speed Dial codes and the numbers they represent.
  • Page 83 Features Analog Data Stations Connected to an Analog Multiline Telephone via a GPA 1. Follow the instructions in Chapter 3 for dialing. The Speed Dial Code is entered after all feature codes or feature code entries, for example account code entry 2.

  • Page 84: Call Progress Messages

    Call Progress Messages Your computer screen shows messages about the progress of your call-for example, when it's ringing or when the number is busy. The following table shows examples of messages you may see on your computer screen when you place and receive data calls on the 7500B Data Module.
  • Page 85 Call Progress Messages Description Display digits being dialed You are placing a call, and the CALLING 723 or outside calls) (including the dial-out code for 95551234 appear. Your call is ringing at the data station you called. RINGING This message appears only when you call RINGING another digital data station.
  • Page 86 Call Progress Messages Description Display You typed an invalid character in your dialing WRONG ADDRESS sequence or dialed incorrectly— space and (dash) are invalld characters. The call you are making is not permitted. ACCESS DENIED The data station you are calling is busy. BUSY BUSY The line/trunk you want to use is not available.
  • Page 87 Index Control unit 1-2 7500B Data Module 1-9, Conversion resource (see 1-15, 1-19, 3-2, 3-14, modem pool) 3-16, 3-21, 4-2 Data calls Account code entry calling from outside data 4-2 — 4-4 station 3-37 Analog data calls 3-3 (see Analog data calls) answering calls 3-13 (see Digital data calls) making direct calls 3-5...
  • Page 88 Index Digital data calls 3-14 answering calls 3-21 making direct calls 3-16 Inside data calls Digital-to-Analog conversion from analog data station (see modem pool) (GPA connection) 3-6 from analog data station (MFM connection) 3-7 from digital data station 3-16 — 3-17 Endpoint 1-3 Local area network (LAN) 1-3...
  • Page 89 Index Digital-to-Analog 3-32 — Privacy 4-2, 4-11 — 4-12 on analog data 3-36 stations 3-4 two-stage dialing 3-23 Multi-Function Module on digital data (MFM) 1-8, 1-10, 3-3 stations 3-15 Outside data calls Synchronous mode 1-3, 1-19, 3-14, 3-22 calling from an outside data station 3-37 System data features 3-4, from analog data station...

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