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AT&T
MERLIN
COMMUNICATIONS SYSTEM
INSTALLATION GUIDE:
MODELS 1030 AND 3070

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Summary of Contents for AT&T MERLIN 1030

  • Page 1 AT&T ™ MERLIN COMMUNICATIONS SYSTEM INSTALLATION GUIDE: MODELS 1030 AND 3070...
  • Page 2: Table Of Contents

    Table of Contents Page Introduction Getting Started Preparing the Network Interface Extend the Network Interface to the Jack Field Installing the Control Unit Position the Control Unit Attach the Model 1030 Expansion Unit to the Control Unit Insert the Modules Set the Control Unit Switches Connect the Control Unit to the AC Outlet Test the Outside Lines...
  • Page 3: Introduction

    Introduction This installation guide tells you how to install and test your MERLIN™ com- munications system, Model 1030 or Model 3070. It leads you step by step through system installation, from a pre-installation checklist to system tests. You should perform the steps in the order in which they are presented because many of the earlier steps prepare the system for later steps.
  • Page 4: Getting Started

    Getting Started This guide assumes the tasks on the following list have been completed. Review Become familiar with the MERLIN system. the list carefully before proceeding with system installation. If you have not com- Review the drawing of a simple MERLIN system configuration, opposite pleted the tasks on this list, do so now.
  • Page 5 Voice terminal Jack field Modular voice terminal cord Modular jack Modular jumper cord Building wiring Expansion unit Control unit Line cord Network interface AC outlet...
  • Page 6 Make sure your system wiring is in place. The drawing, right, illustrates the wiring that must be in place before you begin installing your system. You must have building wiring that runs from the control unit location to the voice terminal locations. Wiring runs should end in modular jacks at the telephone locations and in a group of jacks mounted in apparatus boxes (the “jack field”) at the control unit location.
  • Page 7: Preparing The Network Interface

    Preparing the Network Interface The telephone company should have installed a network interface with 1-line ings, below, show the three types of interfaces. The table, below, tells you what jacks (RJ11-type), 2-line jacks (RJ14-type), or multiline connectors (RJ21-type) to do next depending on the type of network interface you have. for connecting your MERLIN system to your outside telephone lines.
  • Page 8: Extend The Network Interface To The Jack Field

    EXTEND THE NETWORK INTERFACE TO THE JACK FIELD You need the following to extend the network interface to the jack field: 4-Line adapters Apparatus boxes Green-on-white line labels and directories Single-ended 25-pair connectorized cables The drawings, right, show a 4-line adapter, an apparatus box, and a 25-pair con- nectorized cable.
  • Page 9 Add Jacks to the Jack Field Use the table, page 6, to determine the number of adapters and ap- paratus boxes you need. Position each apparatus box so that the door with the handle is on the right. Snap adapters into boxes, as needed, so that the jacks on the adapters face to the right.
  • Page 10 Connect the Outside Lines to the Jack Field Plug the connector on the 25-pair cable into the 50-pin connector at the network interface. With a jacket-stripping tool, slit the jacket at the other end of the 25-pair cable, and cut away as much of the jacket as necessary to allow each of the individual twisted pairs of color-coded wires to reach the jacks in the jack field.
  • Page 11 Label the Jacks and Boxes Find the green-on-white label sheet, which includes a telephone number directory, line jack labels, apparatus box labels, and jack- identifier label strips. If you have more than 24 outside lines, you need two sheets. Fill in the telephone numbers for your outside lines on the telephone number directory in the order in which they appear at the network inter- face or on the list provided by the local telephone company.
  • Page 12: Installing The Control Unit

    Installing the Control Unit You need the following components to install the control unit: Control Unit Installation Kit It comes with the control unit and includes line cord labels, jumper cord labels, telephone location labels, five 7-foot line cords, and a system directory.
  • Page 13: Position The Control Unit

    POSITION THE CONTROL UNIT Your control unit should be: High enough off the floor to work with comfortably Close enough to an ac outlet (not switch-controlled) so that a power cord can reach easily (with some slack) from each Power Module (you may have as many as three Power Modules) to the outlet Within 5 feet of the jack field so that (1) a modular line cord can connect any Line Module jack in the control unit to any jack with a green-on-white...
  • Page 14: Attach The Model 1030 Expansion Unit To The Control Unit

    ATTACH THE MODEL 1030 EXPANSION UNIT TO THE CONTROL UNIT 3, 4 1, 2 If you don’t have an expansion unit, go on to the next section, “Insert the Modules,” on page 14. CAUTION: Make sure the power cord is unplugged and the power switch on the Power Module in the control unit is set to Off.
  • Page 15 Connect the Ribbon Cables and Ground Wires You should find three gray ribbon cables and two ground wires hanging from the backplane of the expansion unit. Connect them to the backplane of the con- trol unit as follows: Find the ribbon cable labeled Network hanging from pins on the left side of the expansion unit’s backplane.
  • Page 16: Insert The Modules

    INSERT THE MODULES CAUTION: Before inserting or removing modules, make sure the power IMPORTANT: Feature Module 3 and, under certain conditions, Feature Module switches on the Power Modules in both the control unit and the expansion 4 invalidate much of the information in the “Details” column of the table, below. unit are set to Off.
  • Page 17: Set The Control Unit Switches

    IMPORTANT: A connected, loaded, but unpowered expansion unit can cause electrical interference (crosstalk) during normal system operation. If you have a Model 3070 control unit but do not need the control unit’s added capacity right away, you should either (1) leave the expansion unit empty (do not insert any modules) and leave the power to the expansion unit off or (2) put the modules into the expansion unit, turn the power to the expansion unit on when instructed to do so, and leave it on during normal system operation.
  • Page 18: Connect The Control Unit To The Ac Outlet

    CONNECT THE CONTROL UNIT TO THE AC OUTLET Check the power switch on the Power Module in the control unit. Make sure it is set to Off. If you have an expansion unit, it may have as many as two additional Power Modules. Make sure the expansion unit’s power switches are set to Off, too.
  • Page 19: Test The Outside Lines

    TEST THE OUTSIDE LINES This step is optional, but if you have a basic Touch-Tone telephone with a Network interface modular plug, you should verify your outside line connections at this time. It can save time and frustration later. NOTE: A MERLIN system voice terminal will not work for this test. Bring a basic Touch-Tone telephone with a modular plug to the jacks for your outside telephone lines (either at the network interface or at the jack field).
  • Page 20: Attach Cord Clips To The Control Unit

    ATTACH CORD CLIPS TO THE CONTROL UNIT If you have an expansion unit, you can have as many as 100 cords running from your control unit to the jack field. You’ll want to arrange these cords as neatly as possible without diminishing the system’s flexibility. Bundling the cords with cord clips and cable ties can reduce the cord-clutter problem at your control unit location.
  • Page 21 Make sure you have the following: System directory One comes in the Control Unit Installation Kit. Line cords One 7-foot line cord for each outside line. Five come in the Control Unit Installation Kit, and others are packed with each Line Module. Green-on-white cord labels Labeled A0, A1, A2, etc.
  • Page 22: Connect The Modular Jumper Cords To The Control Unit

    CONNECT THE MODULAR JUMPER CORDS TO THE CONTROL UNIT Take some time now to plan your intercom assignments and the corresponding connections from the jack field to the control unit. Notice that only two of the ten jacks in each Voice Terminal Module are numbered: the top jack is labeled 0, and the sixth one down is labeled 5.
  • Page 23 Now do the following: Fill in the intercom assignments on the system directory. When the system directory is complete, peel off its backing and stick it to the inside of the control unit’s front panel. Take the blue-on-white cord labels to the jack field and label each modular jumper cord at both ends with the cord’s intercom number.
  • Page 24: Connecting Voice Terminals

    Connecting Voice Terminals ASSEMBLE THE VOICE TERMINALS Desk stand There are several types of voice terminals available. Some are more practical for employees with limited need for custom features and access to multiple out- side lines. Others are designed for employees who need access to many Voice terminal custom features or outside lines.
  • Page 25: Connect Each Voice Terminal To The System

    CONNECT EACH VOICE TERMINAL TO THE SYSTEM Place each voice terminal in its designated location. Plug the loose end of the modular voice terminal cord into the modular wall jack. A red light comes on next to a button. Slide the T/P switch to T and hold it there. All the red and green lights on the voice terminal begin to flash, and a tone sounds.
  • Page 26: Test Each Voice Terminal For A Dial Tone

    TEST EACH VOICE TERMINAL FOR A DIAL TONE Lift the handset. The green light goes on next to the shining red light, and you hear a dial tone. Press one or more of the dial pad buttons. The dial tone stops. LABEL VOICE TERMINALS WITH INTERCOM NUMBERS Make an intercom label for each voice terminal.
  • Page 27: Installing Accessories

    Installing Accessories 3. Plot the two numbers from steps 1 and 2 on the graph as shown. This Once you have installed your basic MERLIN system, you may want to add will tell you if you need an Auxiliary Power Unit (or perhaps two) for your accessories to enhance your system’s capabilities.
  • Page 28: System Tests

    System Tests Now that your system equipment is in place, you need to test it to make sure it is operating properly. The following tests help you determine if you have installed your system correctly and if all your system components are operable. If these tests reveal any problems, refer to the Troubleshooting Table on page 30.
  • Page 29: Place An Intercom Call To A Voice Terminal

    PLACE AN INTERCOM CALL TO A VOICE TERMINAL Make the test call from one voice terminal to another voice terminal. Have another person available to answer the intercom call. From a voice terminal, touch the fifth button down in the leftmost row of buttons on the voice terminal (Intercom-Ring) without lifting the handset.
  • Page 30: What's Next

    What’s Next? Now that your MERLIN system is installed, you need to program it to meet your business needs. Refer to the administration manual to learn how to: Assign voice terminals to attendants Administer your MERLIN system Assign individual lines and calling restrictions to individual voice terminals Establish Night Service Program individual voice terminals Once you’ve customized the system to meet your business needs, review the...
  • Page 31: System Changes

    System Changes Your MERLIN communications system is designed to make system changes If all the Voice Terminal Module jacks in your control unit are full, you quickly and easily. You can increase your system’s capacity and capability need another Voice Terminal Module. If all the Voice Terminal Module simply by adding a module to your control unit.
  • Page 32: Troubleshooting

    Troubleshooting Refer to the following table if you have trouble with your MERLIN system. Identify the symptom in the “Trouble” column of the table, and perform the recom- mended steps to isolate and correct the problem. If you are unable to identify a particular problem, perform the General Test on page 34 before calling your equip- ment supplier for help.
  • Page 33 TROUBLESHOOTING TABLE (continued) Then Trouble Possible Cause Do This the line cords that do not pass on a When you lift the Faulty cable connec- 4. Reconnect the line cords to one or more line cords do not handset on one or the network interface jacks.
  • Page 34 TROUBLESHOOTING TABLE (continued) Then Trouble Possible Cause Do This There is trouble with Control unit Slide the T/P switch on the some (but not all) of the lights the trouble is caused by either the voice terminal lights, side of the voice terminal to flash continually and/or a tone voice terminal or the cable connec- the T position.
  • Page 35 TROUBLESHOOTING TABLE (continued) Then Do This Trouble Possible Cause 5. Replace each cable, one at a the trouble still occurs the replaced cable is not the faulty There is trouble with Cable connections one. Replace the next cable. voice terminal lights, time, and test the malfunction- ing voice terminal.
  • Page 36: General Test

    TROUBLESHOOTING TABLE (continued) Then Trouble Possible Cause Do This 3. Set the switch(es) on the All voice terminals A loose module the red warning light goes out the problem is solved. One of the have no lights and Power Module(s) to Off. modules was not securely in place.
  • Page 37: Appendix A: Interference Information

    Appendix A: Appendix B: FCC Registration Interference Information and Repair Information According to Federal Communications Commission (FCC) Rules, you need to know that: This equipment is registered with the FCC in accordance with Part 68 of its This equipment generates, uses, and can radiate radio frequency energy Rules.
  • Page 38: Index

    Index Off-Premises Telephone Interface, 14 General Test, 34 AC Outlet, 2, 3, 4, 16 Operating Temperatures, 2 Getting Started, 2 - 4 Accessories, 25 Outside Lines, 1 - 9, 17 - 19, 27, 29 Ground Screws, 13 Auxiliary Power Unit, 25 Ground Wires, 13 Extra Alert, 25 Packing Boxes, 2...
  • Page 39 AT&T MERLIN is a trademark of AT&T © Copyright 1985 AT&T. Printed in U.S.A. 518-500-020 IS Issue 2 October 1985...
  • Page 40 Attachment 1 NETWORK LINK TEST Crosstalk On Merlin 1030/3070 Most times crosstalk on the larger Merlin systems is the result of a defective line module, voice terminal module, or a basic telephone module. The following is a step-by-step outline on the trouble shooting procedures to determine which module(s) are defective.
  • Page 41 e) Then quickly alternate between intercom voice and intercom ring the remainder of your links. (e.i.) A Merlin system having a total of 84 links Alternate between intercom voice and ring 24 times. Depress recall 2 times. Alternate between intercom voice and ring 60 times.

This manual is also suitable for:

Merlin 3070

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