AT&T MERLIN 410 Service Manual
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AT&T MERLIN 410 Service Manual

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See also: Administration Manual , User Manual
MERLIN
COMMUNICTIONS SYSTEM
SERVICE MANUAL
MODELS 206 AND 410
American Bell
Advanced Information Systems
An AT&T Company

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  • Page 1 MERLIN COMMUNICTIONS SYSTEM SERVICE MANUAL MODELS 206 AND 410 American Bell Advanced Information Systems An AT&T Company...

  • Page 2: Communications System

    SERVICE MANUAL MERLIN COMMUNICATIONS SYSTEM MODELS 206 AND 410 * Trademark of AT&T Co. © 1983 Western Electric All Rights Reserved Printed in U.S.A. 999-501-135 AB Issue G, August 1983...

  • Page 3: Table Of Contents

    CONTENTS INTRODUCTION HOW TO USE THIS MANUAL PREINSTALLATION INTRODUCTION IMPORTANT TELEPHONE NUMBERS GETTING STARTED A. Checking the Floor Plan B. Checking the Shipment Getting the Tools You Need CIB CROSS REFERENCE INSTALLATION INSTALLING THE CONTROL UNIT Environmental Requirements A. Positioning the Control Unit Installing the Cartridges Supplying Power to the Control Unit D.
  • Page 4 TESTING THE VOICE TERMINALS TESTING THE SYSTEM LABELING THE VOICE TERMINAL INTERCOM NUMBERS SYSTEM CHANGES INTRODUCTION TO CHANGE CONTROL UNIT SWITCHES TO ADD AN OUTSIDE LINE TO ADD A VOICE TERMINAL TO ADD A VOICE TERMINAL ACCESSORY TO MOVE A VOICE TERMINAL LOCATION TO SWAP VOICE TERMINAL LOCATIONS TO ADD A CARTRIDGE QUICK CHECK TESTS...

  • Page 5: How To Use This Manual

    INTRODUCTION HOW TO USE THIS MANUAL This Service Manual provides instructions for installing, changing and adding, troubleshoot- ing, and, if necessary, replacing components on your MERLIN* communications system. It is intended for use by the person in your company who is responsible for telephone service. Reading the whole manual is not necessary;...
  • Page 6 PREINSTALLATION...

  • Page 7: Preinstallation

    PREINSTALLATION INTRODUCTION If you are installing your own MERLIN communications system, use the instructions in the “Preinstallation” and “Installation” sections. These instructions are divided as follows: Getting Started Installing the Control Unit Installing the Cords/Cables Installing the Telephones (Voice Terminals) Testing the Telephones (Voice Terminals) Testing the System Labeling the Telephone (Voice Terminal) Intercom Number...

  • Page 8: Getting Started

    GETTING STARTED This section helps you get ready to install your MERLIN communications system. Begin by checking the floor plan that you prepared with your order, verifying the equipment received, and getting the tools you need. After you complete each step, check it off in the box on the left.

  • Page 9: Checking The Shipment

    Preinstallation (cont’d) B. Checking the Shipment Open all packages and make sure you have all the items you ordered. Use your copy of the order form to check your shipment. For help in identifying items, refer to Figure 2 (Illustrated Parts List). If there are any discrepancies, call your sales representative or the HELP number provided in the “Introduc- tion”...
  • Page 10 (6A) CONTROL UNIT DOOR (6110-CU1) (6106-CU1) 4-LINE/10-TERMINAL 2-LINE/6-TERMINAL CONTROL UNIT CONTROL UNIT MOUNTING HOLES TEMPLATE MOUNTING SCREWS EXPANSION BOLTS MOUNTING BRACKET BASE PLATE (CS 100A) CONTROL UNIT WALL MOUNTING KIT (61201) Figure 2 (1 of 6)
  • Page 11 Preinstallation (cont’d) (151A) MUSIC-ON-HOLD/PAGING (150A) MUSIC-ON-HOLD (110A) FEATURE CARTRIDGE (TYPE II) CARTRIDGE (TYPE II) CARTRIDGE (TYPE I) (6102-MHP) (6101-MOH) (6100-FC1) (171A) EXTRA–ALERT/4-LINE (170A) EXTRA–ALERT/2-LINE POWER FAILURE CARTRIDGE POWER FAILURE CARTRIDGE (TYPE III) (6104-EAP) (TYPE III) (6103-EAP) (7305 H01) 34-BUTTON VOICE (7303 H01) 10-BUTTON VOICE (7302 H01) 5-BUTTON VOICE TERMINAL (3162-412)
  • Page 12 (10A) 5-BUTTON AND 10-BUTTON (201A) 10-BUTTON VOICE (14A) 5-BUTTON VOICE TERMINAL VOICE TERMINAL DESK STAND TERMINAL WALL MOUNT (32004) DESK STAND AND WALL MOUNT (32001) (32000) (203A) 34-BUTTON VOICE (11C) 34-BUTTON VOICE TERMINAL (11A) 10-BUTTON VOICE TERMINAL TERMINAL WALL MOUNT ADJUSTABLE DESK STAND ADJUSTABLE DESK STAND (32006)
  • Page 13 Preinstallation (cont’d) (CS 2500DMG) POWER FAILURE (CS 500DM) POWER FAILURE “TOUCH-TONE” TELEPHONE (61210) ROTARY TELEPHONE (61209) (335A) AUXILIARY POWER UNIT (S102A) HANDS-FREE UNIT (502A) HEADSET ADAPTER (3165-APU) (3163-HFU) (3164-HFA) Figure 2 (4 of 6)
  • Page 14 (DIW) VOICE TERMINAL (346A) ACOUSTIC COUPLER (349A) ACOUSTIC COUPLER CABLING (32910) ADAPTER (N) (31710) ADAPTER (R) (D8AF) TERMINAL EXTENSION CORD (D4CH) MODULAR LINE CORD (D8W) MODULAR TERMINAL CORD (14, 25, 50, 75 AND 100 FT) (7, 14 AND 25 FT) (7, 14 AND 25 FT) (32914, 32925, 32950, 32975 (61407, 61414 AND 61425)

  • Page 15: Cib Cross Reference

    Preinstallation (cont’d) (452A) EXTRA–ALERT CONTROL (103A) CUSTOMER–INSTALLABLE SWITCH (32630) JACK (32601) (D181233) LINE–POWERED EXTRA– ALERT E1CM RINGER (61211) Figure 2 (6 of 6) CIB CROSS REFERENCE The following table provides a cross reference between the Customer Information Brochure (CIB) number, Apparatus Code, Description, and Price Element Code (PEC) for components used in the MERLIN communications system, Models 206 and 410.
  • Page 16 APPARATUS DESCRIPTION CODE NUMBER 953A Tool 2822H1 CS 100A Control Unit Wall Mounting Kit 2851 61201 7302 H01 5-Button Voice Terminal 2852 3160-111 2853 7303 H01 10-Button Voice Terminal 3161-172 5- and 10-Button Voice Terminal Fixed Desk Stand 2854 32004 10-Button Voice Terminal Adjustable Desk Stand 2855 32002...

  • Page 17: Installation

    INSTALLATION INSTALLING THE CONTROL UNIT This section explains how to position the control unit, install the cartridges, supply power to the control unit, connect the control unit to the network interface, and set the control unit switches (Figure 3). LOCAL TELEPHONE EXCHANGE SERVICE COMPANY NETWORK...

  • Page 18: Environmental Requirements

    Enviromental Requirements The control has the following requirements: 1. Operating temperatures 40-104 degres Fahrenheit (4-40 degrees Centigrade). 2. Humidity (not to exceed 80 percent). 3. Dissipation of power (20 watts during normal operation). 4. Ventilation (a minimum of 1/2 inch of space is required on all sides; also keep away from extreme heat such as furnaces, heaters, attics, and direct sunlight).

  • Page 19: Installing The Cartridges

    Installation (cont’d) B. Installing the Cartridges Find the optional cartridge(s) you ordered in your shipment. The possible cartridges are: Feature Package 1 Cartridge (Type I ) Music-on-Hold Cartridge (Type II) Music-on-Hold/Paging Cartridge (Type II) Extra-Alert/2-Line Power Failure Transfer Cartridge (Type III) Extra-Alert/4-Line Power Failure Transfer Cartridge (Type III) (Model 410 only) Two cartridges of the same type (I, II, III) cannot be used simultaneously.
  • Page 20 625–TYPE CONNECTING BLOCK (NOTICE DOES NOT APPLY TO “MERLIN” INSTALLATION) 625–TYPE CONNECTING BLOCK (FLUSH MOUNTED) 630–TYPE CONNECTING BLOCK (FLUSH MOUNTED) 625–TYPE CONNECTING BLOCK Figure 4 If there is a separate network interface for each local telephone exchange service company line or if your system has only one line coming in, go to the next step. Oth- erwise, plug the (267C) two-line adapter into the jack on the network interface as shown in Figure 5.
  • Page 21 Installation (cont’d) Find the tag or label on the network interface identifying the telephone numbers. If you have installed a (267C) two-line adapter, you need to know what telephone number is assigned to each jack (labeled 1 and 2) of the adapter. If there is no tag or label, contact the local telephone exchange service company and ask for the line and telephone number assignments.
  • Page 22 Find a D4CH Modular Line Cord of the proper length to connect the network inter- face to the control unit, as shown on the floor plan. Attach one label around the cord about 2 inches from one end. Attach the other label (containing the same informa- tion) around the cord about 2 inches from the other end.

  • Page 23: Setting The Control Unit Switches

    Installation (cont’d) E. Setting the Control Unit Switches “Tone-Pulse” Switch Your local telephone exchange service company requires your system to send out either ® “TOUCH-TONE dialing signals” or “rotary dialing pulses”. The “Tone-Pulse” switch on the control unit (Figure 8) determines the type of signal that your system sends. Call your local telephone exchange service company if you do not know what signals your system is expected to send out.

  • Page 24: Ringing" Or "Outward Calls" Switches

    “Ringing” or “Outward Calls” Switches Set the “Ringing” or “Outward Calls” switches: If you have Basic Service, the “Ringing” switches (Figure 8) control ringing on their asso- ciated voice terminals. “Yes”: The voice terminal will ring for all outside calls. “No”: The voice terminal will not ring for outside calls;...

  • Page 25: Voice Terminal Cabling

    Installation (cont’d) 2. Label the control unit and voice terminal ends of the cord(s). 3. Plug the D8AF Cord(s) into the “Voice Terminals” jack on the front of the control unit with the corresponding intercom number(s). See Figure 9B. D8AF TERMINAL EXTENSION CORD...

  • Page 26: Getting Started

    4–PAIR VOICE TERMINAL CABLE CONTROL VOICE JACK JACK TERMINAL UNIT MODULAR MODULAR TERMINAL TERMINAL CORD CORD CUSTOMER–INSTALLABLE JACKS (103A) Figure 10 Cable lengths between the control unit and a voice terminal must Caution: not exceed 1000 feet. Getting Started Review the floor plan to determine where the voice terminals and control unit will be located, and where the cable will be routed.

  • Page 27: Planning And Arranging The Control Unit And Jacks

    Installation (cont’d) Planning and Arranging the Control Unit and Jacks Plan the arrangement of the jacks near the control unit. Figure 11 shows possible arrangements of jacks at the control unit location. CUSTOMER– CUSTOMER– CONTROL UNIT INSTALLABLE INSTALLABLE JACKS (103A) JACKS (103A) (NOTES 1, 2 (NOTES 1, 2...

  • Page 28: Labeling The Cables

    3. Route the cable along the top of the baseboard, or where it will be least noticeable. (Allow at least an extra 4 inches of cable (at each end) beyond each of the jacks for connecting.) See Figure 12. CUSTOMER– INSTALLABLE JACK 4 "...

  • Page 29: Installing The Jacks At The Control Unit Location

    Installation (cont’d) Installing the Jacks at the Control Unit Location 1. Get two customer-installable jacks and packages of mounting hardware from your shipment. Figure 15 shows what you will need. MOUNTING SCREW CENTER CAPTIVE SCREW 103A CUSTOMER–INSTALLABLE JACK Figure 15 2.

  • Page 30: Installing The Jacks At The Voice Terminal Location

    CONTROL UNIT VOICE TERMINAL VOICE TERMINAL LOCATION LOCATION LOCATION CUSTOMER–INSTALLABLE CUSTOMER–INSTALLABLE JACK JACK CUSTOMER– INSTALLABLE JACKS VOICE TERMINAL VOICE TERMINAL CABLE CABLE BASEBOARD CABLE CABLE CLIPS CLIPS Figure 16 Installing the Jacks at the Voice Terminal Location Wire and fasten a jack at each voice terminal location, following the instructions packed with each jack.

  • Page 31: Assembling The Voice Terminals

    Installation (cont’d) Assembling the Voice Terminals Install the stand or wall mount for a voice terminal, following the instructions packed with the stand or mount. Get two cord labels. Write the intercom number for the voice terminal on them. Attach one label around a D8W Modular Terminal Cord near one end, following the instructions packed with the labels.

  • Page 32: Testing Preparation

    7. Plug the loose end of the D8W Modular Terminal Cord from the voice terminal into the jack of the D8AF Extension Cord (Figure 18), the customer-installable jack, or the con- trol unit. The red light beside the button on the voice terminal for line “A” will light as soon as the connection is complete.

  • Page 33: Testing The Voice Terminals

    Installation (cont’d) TESTING THE VOICE TERMINALS 1. Find the Test/Program (T/P) switch on the left side of one voice terminal. 2. Slide the switch to the “T” (test) position and hold it there. The red and green lights on the voice terminal should flash alternately. A tone should sound continuously.

  • Page 34: Testing The System

    7. If any voice terminal fails any test: Verify that dial tone is present at the network interface by plugging in a standard telephone with a modular cord/plug (if available). Warning: A MERLIN communications system voice terminal will not work for this test. Verify that the control unit power cord is plugged in.
  • Page 35 Installation (cont’d) Return to the call on hold. To do this: Touch the line button next to the fluttering green light. The green light should light steadily. End the call. To do this: Replace the handset; the green light should go off. If you have more than one outside line, place an outside call on each of the remaining outside lines.

  • Page 36: Labeling The Voice Terminal Intercom Numbers

    6. Place an intercom call to another voice terminal by touching the intercom button (Fig- ure 20), picking up the handset, and dialing an intercom number. 7. Check the operation of all other features. If you were able to perform all of the previous tests successfully, you have now com- pleted the installation.
  • Page 37 Installation (cont’d) 2. Remove the number card, and label it with the intercom number. The number will be one of the digits 0 to 5 for Model 206, or a number from 10 to 19 for Model 410. NUMBER STRIP (EXAMPLE) Figure 22 Replace the label.
  • Page 38 SYSTEM CHANGES...

  • Page 39: System Changes

    SYSTEM CHANGES INTRODUCTION As your communication needs change and as your business grows, the MERLIN communica- tions system has the flexibility to continue to serve you. Due to its modular design, you can perform all the moves, changes, and additions yourself, if you choose. Or, call your Ameri- can Bell representative for expert assistance with your system changes.

  • Page 40: To Add A Voice Terminal

    TO ADD A VOICE TERMINAL You can add voice terminals up to the system’s limit: six for the Model 206, and ten for the Model 410. Here are the steps: Note: This example describes modular cord installation. Similar steps can be used with customer-installable cable.

  • Page 41: To Move A Voice Terminal Location

    System Changes (cont’d) TO MOVE A VOICE TERMINAL LOCATION You can easily move your voice terminal to a new location. Disconnect the D8W Modular Cord from the voice terminal. Reroute or place new wiring from the control unit to the new location, following the procedures described under “Installing Cord/Cabling”...
  • Page 42 QUICK CHECK TESTS...

  • Page 43: Quick Check Tests

    QUICK CHECK TESTS INTRODUCTION If our MERLIN communications system malfunctions, these quick check tests may help you rapidly locate the cause of the trouble. These quick check tests are divided into three main sections: Quick Checks to Determine Whether the Trouble Is in Your System: This section allows you to determine if the trouble is caused by local telephone exchange service company equipment or by your MERLIN communications system.
  • Page 44 Step 1. Test all suspected voice terminals by making outward and intercom (inside) calls and using all suspected features. Your Users Guide explains how to use each feature. THEN The trouble is caused by some com- The trouble does NOT appear on calls ponent of your system.

  • Page 45: Symptom-Based Quick Checks

    Quick Check Tests (cont’d) SYMPTOM-BASED QUICK CHECKS The symptom-based quick checks are designed to help you decide which system component is causing the trouble. For example, an accessory attached to your voice terminal may cause trouble which disappears when the accessory is disconnected. Disconnect accessories from the voice terminal with trouble.

  • Page 46: Feature Package 1 Service

    If your local telephone exchange service company is equipped for TOUCH-TONE dialing, set the “Tone-Pulse” switch to “Tone”. If your local telephone exchange service company is equipped for rotary dialing, set the “Tone-Pulse” switch to “Pulse”. Feature Package 1 Service: Check the “Tone-Pulse”...

  • Page 47: Some Custom Features Do Not Work

    Quick Check Tests (cont’d) D. Some Custom Features Do Not Work Your custom features are listed below: Outside Auto-Dial Intercom Auto-Dial Saved Number Dialed Last Number Dialed Do Not Disturb Privacy Automatic Answer. Idle Line Preference Line Ringing Assignment Paging If the feature that does not work is “Outside Auto-Dial,’’...

  • Page 48: All Voice Terminals Have No Lights And No Dial Tone (Entire System Down)

    E. All Voice Terminals Have No Lights and No Dial Tone (Entire System Down) Unplug the control unit from the ac power outlet and plug it in again Step 1. Check the red WARNING light and the green POWER light in the upper left Step 2.

  • Page 49: If Trouble Remains

    Quick Check Tests (cont’d) Step 2. Verify that all plugs are securely snapped into their jacks and that cords are not damaged. Replace damaged cords with good ones to see if the trouble is fixed. Count the number of voice terminals and hands-free units. Step 3.

  • Page 50: Maintenance Exchange Procedures

    MAINTENANCE EXCHANGE PROCEDURES If you elect to perform your own troubleshooting to isolate a faulty component of your MERLIN communications system American Bell offers an exchange service so that you can obtain working replacements. (See note.) This service is available for all MERLIN com- munications systems and is offered at no extra charge under your lease agreement or during the warranty period of a purchased system.
  • Page 51 Maintenance Exchange Procedures (cont’d) The following items are available for exchange (see the “Installation” section of this manual for parts identification): Control unit Voice terminals Handsets Handset cords Feature cartridges Headset adapter Hands-free unit Wall mounting kits for control unit and voice terminals Desk stands for voice terminals Modular voice terminal cords Modular line cords...
  • Page 52 INDEX Maintenance Exchange Procedures, 46 Add Accessory, 36 Move a Voice Terminal, 37 Add Cartridge, 37 Add Outside Line, 35 Add Voice Terminal, 36 Outward Calls Switches, Change, 35 Cables, Installing, 20 Cartridge, Add, 37 Power, Control Unit, 15 Change Outward Calls Switches, 35 Preinstallation, 3 Change Ringing Switches, 35 Changes, System, 35...
  • Page 53 999-501-135 AB...

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Merlin 206

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