AT&T MERLIN 820 Installation Manual
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AT&T MERLIN 820 Installation Manual

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AT&T
®
MERLIN
COMMUNICATIONS SYSTEM
INSTALLATION GUIDE:
MODEL 820

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Summary of Contents for AT&T MERLIN 820

  • Page 1 AT&T ® MERLIN COMMUNICATIONS SYSTEM INSTALLATION GUIDE: MODEL 820...

  • Page 2: Table Of Contents

    Table of Contents Page Introduction Getting Started Preparing the Network Interface Extend the Network Interface to the Jack Field Test the Outside Lines Installing the Control Unit Position the Control Unit Insert the Modules and Cartridges Connect the Control Unit to the AC Outlet Connect the Outside Lines to the Control Unit Voice Terminal Wiring Jack Field Connection...

  • Page 3: Introduction

    Introduction This installation guide tells you how to install and test your ® MERLIN communications system, Model 820. 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 the later steps.

  • Page 4: Getting Started

    Getting Started This guide assumes the tasks on the following list have been completed. Review the list carefully. If you have not completed the tasks on the list, you should do so now. Check the items in your shipment against your copy of the order form. Make sure the items and quantities agree.
  • Page 5 Become familiar with the MERLIN system. Make sure your system wiring is in place. Review the drawing of a simple MERLIN system configuration, opposite You must have wiring that connects your voice terminal locations to your page, and note how components are related to one another. control unit location.
  • Page 6 Control Unit AC outlet Modular jumper cord Line cord Voice terminal Jack field Building wiring Modular voice terminal cord Modular wall jack Network Interface...
  • Page 7 You must also have a network interface that links your system to the local telephone company’s lines. A telephone company representative should have installed the necessary outside telephone lines and labeled the net- Control unit work interface to indicate the telephone number for each outside line. Depending on the type of interface provided by the telephone company, your system may require additional wiring running from the network in- terface to the jack field.

  • Page 8: Preparing The Network Interface

    Preparing the Network Interface The local telephone company should have installed a network interface with 1-line jacks (RJ11-type), 2-line jacks (RJ14-type), or a multiline connector 1-Line jack (RJ11-type) (RJ21-type) for connecting your MERLIN system to your outside telephone 2-Line jack lines.
  • Page 9 If the Network Interface Do This each jack is labeled Go on to “Test the Outside Lines,” has a 1-line jack with its telephone page 13. (RJ11-type) for each outside number line 1. Label each jack with its each jack is not labeled with its telephone number from the list provided by the local telephone...

  • Page 10: 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 adapter If you have more than four outside lines, you need two 4-line adapters. Jack panel box Green-on-white label sheet Single-ended 25-pair connectorized cable The drawing, right, shows a 4-line adapter (Z610A), a 25-pair connectorized cable, and a jack panel box (Z122C).
  • Page 11 Add Jacks to the Jack Field Position the jack panel box so that the door with the handle is on the right, and attach it to the leftmost jack panel box in the jack field by meshing the tongues and grooves as shown. Use the screws provided or other appropriate fasteners to attach the jack panel box to the wall or mounting surface supporting the jack field.
  • Page 12 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 free end of the 25-pair cable, and cut away as much of the jacket as necessary to allow the individual twisted pairs of color-coded wires to reach the jacks in the jack field.
  • Page 13 Label the Jacks and Box Find the green-on-white label sheet, which includes a telephone number directory, line jack labels, jack panel box labels, and jack- identifier label strips. On the telephone number directory, fill in the telephone numbers for your outside lines in the order in which they appear at the network in- terface or on the list provided by the local telephone company.

  • Page 14: Test The Outside Lines

    TEST THE OUTSIDE LINES This step is optional, but if you have a basic Touch-Tone telephone with a modular plug, you should test your outside line connections now. It can save time and frustration later. Network interface A MERLIN system voice terminal will not work for this test. NOTE: 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...

  • Page 15: Installing The Control Unit

    Installing the Control Unit You need the following items to install the control unit: Model 820 Control Unit Installation Kit It comes with your control unit and contains labels, two 7-foot line cords, a 2-line adapter, and a system directory. It also contains brackets, screws, and instructions for wall mounting the control unit.

  • Page 16: Insert The Modules And Cartridges

    INSERT THE MODULES AND CARTRIDGES CAUTION: Make sure the power cord is unplugged and the power switch on the control unit is set to Off before you insert or remove any modules. Insert each Line Module and Voice Terminal Module as follows: Open and remove the control unit door.

  • Page 17: Connect The Control Unit To The Ac Outlet

    CONNECT THE CONTROL UNIT TO THE AC OUTLET The outlet should not be switch-controlled. Plugging your control unit into a switch-controlled outlet invites accidental disconnection of the system. Power switch Make sure the power switch on the control unit is set to Off. IMPORTANT: If you have an Auxiliary Power Unit, follow the directions that come with it for connecting the control unit to the Auxiliary Power Unit and connecting the Auxiliary Power Unit to the ac outlet.

  • Page 18: Connect The Outside Lines To The Control Unit

    CONNECT THE OUTSIDE LINES TO THE CONTROL UNIT Any outside line may be connected to any of the line jacks A through H on the SYSTEM DIRECTORY – MODEL 820 INTERCOM PERSON OPTION WIRING control unit. To simplify future line administration, however, you should connect NUMBER OR LOCATION SWITCHES...

  • Page 19: Voice Terminal Wiring

    Voice Terminal Wiring The intercom number for each voice terminal in your MERLIN system is the same as the number of the voice terminal jack in the control unit to which that voice terminal is connected. On a Model 820 control unit, the voice terminal jacks are labeled 10-29.

  • Page 20: Jack Field Connection

    JACK FIELD CONNECTlON To connect the control unit to the jack field, do this: Open the right door of each jack panel box in the jack field. TIP: The labeling inside the right door should indicate the wiring run SYSTEM DIRECTORY – MODEL 820 OPTION INTERCOM number and endpoint for each jack in the box.

  • Page 21: Direct Connection

    DIRECT CONNECTION To connect your voice terminal locations directly to the control unit, do this: In the system directory, fill in the voice terminal location you have SYSTEM DIRECTORY – MODEL 820 selected for each intercom number. PERSON INTERCOM WIRING OPTION OR LOCATION NUMBER...

  • Page 22: Connecting The Voice Terminals

    Connecting the Voice Terminals 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 23: Connect Each Voice Terminal To The System

    CONNECT EACH VOICE TERMINAL TO THE SYSTEM Place the voice terminal in its designated location. Jack field Plug the voice terminal into the system in one of the following ways: Do This Then a direct connection the connection requires Go on to step 3. You from the voice terminal only a single modular have already con- Building...
  • Page 24 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. If the lights do not flash: Do This Then A. Check the green the green power light is go to B.
  • Page 25 If the tone does not sound: Then Do This you’ve solved the the tone sounds Use the voice ter- problem. minal’s volume control switch to turn up the volume. make a note of it, and the tone still doesn’t refer to the sound Troubleshooting Table, page 33, after you’ve...

  • 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 dial pad buttons. The dial tone stops. If your system does not respond as described, make a note of it, and refer to the Troubleshooting Table, page 33, after you’ve completed the installation.

  • Page 27: Installing Accessories

    Installing Accessories POWER ACCESSORIES Once you have installed your MERLIN system, you may want to add ac- cessories to enhance its capabilities. You may find it necessary to add auxiliary power components to your system. For example, you may need a Voice Terminal Power Supply for a 34-button deluxe voice terminal with an accessory connected to it or for a voice terminal CARTRIDGES located more than 1000 feet from the control unit.

  • Page 28: System Tests

    System Tests Now that your system equipment is in place, you need to test it to make sure it’s operating properly. The following tests will help you determine if you have installed your system correctly and if all your system components are working correctly.

  • Page 29: Place An Outside Call

    PLACE AN OUTSIDE CALL Using any voice terminal in your system: Lift the handset. The green light goes on next to the red light. Dial an outside number (for example, a friend’s home). After the call is answered, place the call on hold by touching Hold. The green light next to the line button flashes rapidly.

  • Page 30: Place An Intercom Call

    PLACE AN INTERCOM CALL Make this test call from one voice terminal to another voice terminal in your system. Have someone available to answer the intercom call. At a voice terminal, touch the fifth button down in the leftmost row of buttons (Intercom-Ring) without lifting the handset.

  • Page 31: What's Next

    What’s Next? Now that your MERLIN system is installed, you need to program it to meet your business needs. See your administration manual to learn how to: Assign voice terminals to attendants Administer your MERLIN system Assign individual lines and call restrictions to individual voice terminals Program individual voice terminals Once you’ve customized the system to meet your business needs, review the user’s guide to learn how to use the MERLIN system custom features.

  • Page 32: System Changes

    System Changes Your MERLIN communications system is designed so that you can make ADDING A VOICE TERMINAL changes quickly and easily. You can increase your system’s capacity by ad- You can easily add more voice terminals to your MERLIN system as your ding outside lines or voice terminals.

  • Page 33: Moving A Voice Terminal

    MOVING A VOICE TERMINAL You can easily move a voice terminal from one location to another without hav- ing to reprogram the voice terminal. To move a voice terminal: Make sure the necessary wiring is in place at the voice terminal’s new location (see “Getting Started,”...

  • Page 34: 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 36 before calling your equip- ment supplier for help.
  • Page 35 TROUBLESHOOTING TABLE (CONTINUED) Then Do this Possible Cause Trouble your outside lines are faulty. Report the trouble still appears on the Replace the network inter- Faulty network inter- You have difficulty the trouble to your local telephone basic telephone face’s line adapter with face line adapter placing outside calls company representative.
  • Page 36 TROUBLESHOOTING TABLE (CONTINUED) Do this Then Trouble Possible Cause 2. Unplug the modular voice the same trouble appears on the the malfunctioning voice terminal There is trouble with Faulty voice terminal working voice terminal probably is not faulty. The trouble is voice terminal lights, terminal cord from the in either the control unit or the...

  • Page 37: General Test

    TROUBLESHOOTING TABLE (CONTINUED) Trouble Possible Cause Do this Then Make sure the control unit is the control unit is not plugged go to step 3. All voice terminals Switch-controlled power outlet not plugged into an outlet into a switch-controlled outlet have no lights and controlled by a wall switch.

  • Page 38: Appendix A: Interference Information

    Appendix B: FCC Registration Appendix A: Interference and Repair Information Information This equipment is registered with the FCC in accordance with part 68 of its According to Federal Communications Commission (FCC) Rules, you need to Rules. In compliance with the Rules, you are to be advised of the following: know that: Means of Connection: Connection of this equipment to the telephone net- This equipment generates, uses, and can radiate radio frequency energy...

  • Page 39: Index

    Index Ringer Equivalence Number, 6, 37 Inserting Cartridges, 15 AC Outlet, 4, 5, 14, 16 Rotary (Pulse) Service, 32 Inserting Modules, 15 Accessories, 26 Installing Accessories, 26 Standard Features, 26 Autodialer, 26 Installing the Control Unit, 14 - 17 Automatic Line Selection, 26 Auxiliary Power Unit, 16, 26 Intercom, 26 Hold, 26...
  • Page 40 AT&T MERLIN is a registered trademark of AT&T © Copyright 1986 AT&T. Printed in U.S.A. 518-600-010 IS Issue 3 July 1986...

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