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AT&T 518-600-016 manual System architecture Theory of Operation

Models: 518-600-016

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Troubleshooting Install Signaling Faulty Merlin II system Dial *36 for Delayed Ring Module controls and indicators For administration purposes Wiring the System Static Discharge Problems Accessories described here

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FIGURE 1-9 System architecture.

Theory of Operation 1-37

Page 39 Page 41

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AT&T 518-600-016 manual System architecture Theory of Operation

Page 39 Page 41

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Contents

Merlin 1990 AT&T Issue All Rights Reserved January System Description System Hardware Whats in This Manual System Overview System Overview Merlin II system configuration System Overview Size, type, and features of a Merlin II system are Determined using system planning formsFor administration purposes Data feature System Overview A Merlin II system behind-switch operation System Overview System Overview System Overview System Overview Merlin II Attendant operation System Overview FM1 FM1 FM2 FM2 FM1 FM2 FM1 FM2 FM1 FM2 FM1 FM2 System Hardware Control unit components Control unit components System Hardware System Hardware System Hardware Module controls and indicators Module controls and indicators Green = test condition Amber = busy Red = standby mode System Hardware System Hardware A selection of analog voice terminals System Hardware Basic Operation of Voice Terminals System Hardware Accessories described here Alerter Accessories. Devices such as a horn, bellAlert Adapter so that people working in noisy or Calls A selection of Merlin II system accessories System Hardware Basic Telephone and Modem Interface 2 BTMI-2 System Hardware System Hardware Theory of Operation System architecture Theory of Operation Theory of Operation Theory of Operation Analog to Digital Signal Processing PCM uses PAM as its starting point but goes further Mu-Law 150 … Module slots Board signatures Time slots 256 108Music-on-Hold interface External paging interface Signaling 11 E&M signaling Tie Line Parameters Theory of Operation Theory of Operation Local 20 to 4800 ms increments of 20 ms Ms default140 to 2400 ms increments of 10 ms Signaling Protected Mode LocationType Same Site Simplex System Or Inter Type Building Far End Merlin II SystemOther Inter Protected Requires a Building Type Protection Standard Unit Network System Connectivity System Connectivity Merlin II System Control unit Modem Pools Merlin II System Merlin II System control unit D8W cord Modem pool General Requirements for Modems System Connectivity MUSIC-ON-HOLD External Loudspeaker Paging 4PT 5PR System Connectivity Installation Preinstallation Requirements Installing the Control Unit Modifying the System Preinstallation Requirements Specification for an ac line voltage low of 99 VAC Without dc voltages being affected Max. current amperes per power supply Max. power use watts per power supplyInstalled at the control unit location, additional Other splices, and should meet these specifications Mounting surface Hardware required System Grounding Requirements Merlin II System control unit Central Office Check the ac outlet for proper ground with a circuit tester CO Line Protector Surge Protectors Static Discharge Problems Solutions to Radio- Frequency Interference Problems System Grounding Requirements Wiring the System Typical Merlin II System Wiring Merlin II System control unit Are for basic telephones only. In case of a power There are various types of jacks on the line and stationModules -3.Each type of jack has a specific Function as follows Line and station module jacks Wiring the System 012 Outside Line Wiring Network interface adapters Wiring the System Testing the Outside Lines To number all the line jacks on the modules themselves Wiring the System Tie Line Module wiring Wiring the System Voice Terminal Wiring Pair modular jumper cords. These cords are for Connecting Voice Terminal Wiring Directly Wiring the System Wiring a Voice Terminal for TWO VOICE-PAIRS PFT O O O O O O R T R T R T Standard 4-PAIR Wiring Brand Rex BR866-JC Wiring the System Jack Field Wiring Wiring the System Constructing a Jack Field for Voice Terminal Wiring Wiring the System Topics Shop Wiring the System Wiring the System Wiring the System Wiring the System Labeling Jacks and Boxes Wiring the System 2A Adapter Mounting Z601A AdapterZ610A Adapter 62400 Net Intf Adptr 267C Adapter 48V Black GND Yellow V2T Brown V2R Slate BR-W Green RED Black CO Line Wiring From Merlin Basic Carrier Assembly Feature ModuleRequired components of a Merlin 10and are listed below Installing the Control Unit Mounting the Basic Carrier Mounting surface 18Backboard Installing the Control Unit 12 Mounting the basic carrier Installing the Control Unit When the carriers are completely engaged, tighten the screws Determining Unit Load Requirements Installing the Control Unit BIS-10 voice terminal Button 1x8 Button Hfai 1X5 Digital 1X4 2x9 Power Supply Module in the leftmost slot Processor Module before installingLeftmost slot must contain the Power Supply Module Install modules on the carrier from left to right Module Installation Installing a Module Removing a Module Page Installing the Power Supply Module Installing a Frequency Generator Power Supply Module Installing the Control Unit Transformer Installing the Control Unit Installing the Control Unit Installing the Auxiliary Power Unit 19 Connecting the Auxiliary Power Unit to the control unit Installing the Control Unit Feature module Processor module Installing the Control Unit Bottom header AA Do not touch Modifying the 517B7 Processor Module for Square Key Line 400 with Dtmf Module Line 800 Module Installing a Tie Line Module If you are installing a Basic Telephone Module, you also Installing the Control Unit D R port Modular Z200A R d LQ or NLQ 144B1-DIR.1 1200 DIP1-Open DIP2-Closed DIP2-Open DIP3-Open DIP4-Open Installing the Control Unit Installing the Control Unit Installing the Control Unit ADU Power to the System To Turn the Power Off Normal Operation Connecting the Voice Terminals Assembling the Voice Terminals Page Slide the T/P switch to the center position Back to the center position Touch one or more dial pad buttons Lift the handsetHang up the handset Connecting the Power Failure Telephone Page Lift the handset on the Touch-Tone or rotary dial Telephone Have that person call the number after you hang up Using for the test Pick up the handset Testing Intercom Calls Testing lntercom Ring Testing the System Planning Form for Feature Modules 1 Testing TIE Lines You hear ringing Completing the Installation Number of the voice terminal at which you are waiting 27 Control unit covers Testing the System Installing the Top Cover 28 Installing the control unit top cover Testing the System Installing the Front Cover Front cover P t y module Modifying the System Adding a Voice Terminal Modifying the System Moving a Voice Terminal Modifying the System Adding Accessories Ringing in noisy or large working environment. Heavy machinery areas and quiet zones e.g 31 a General Purpose Adapter Adding Accessories Hands-Free Unit HFU is a speakerphone that allows To the Other jack on the voice terminal 33 a headset with Headset Adapter Adding Accessories Power Accessories Adding Accessories Basic Telephone and Modem Interface 34 a Basic telephone and Modem Interface Adding Accessories With power lines, and power currents induced by nearby Power lines, Irob protectors are required. Two TIILeaves the building, and place the other where the cable Instructions on proper installation. See System 35Grounding protection for Irob telephones Available for Feature Module 1, Feature Module 2, Remote location by using the Off-Premises TelephoneLine Extender is not available. It is scheduled to be Jack Voice Terminal Power Supply Unit Systems Feature Module 1 =32 Feature Module 2 = Release 3 = Upgrading an Existing System With a Display Console With a BIS-34D Console 34 Upgrading an Existing System Upgrading an ExistingSystem Upgrade Instructions FMI to FM2 Directly to the appropriate jacks on the line modules Administration Considerations Dial Plan Printout Administering an Upgraded System Features that can Affect Calling Patterns ModulesBasic Telephones Connected to Telephone Interface Devices Centralized Programming Administrator/Attendant Console 2The Administrator/Attendant Console Page Cannot be used to administer the Merlin Administration method provided in this section underAdministering Features a BIS-34 Console Administration codes on the dial pad, then pressing line A BIS-34D Console Administrator/Attendant Console Assigning Intercom Numbers Display Console Shift Buttons Display Console Station Shift Buttons ShiftMust be on next to the shift button for the group that Contains that voice terminal’s intercom number. If Display on the Display Console Administration Menu for Merlin II System, Release Page Current administration mode Voice terminal can’t be administeredCurrent feature being administered Information Before Administering a System Both the Merlin II System Display Console Functions in administration mode, you should place a Want to record the administration function labels in aProgrammable features, be sure to assign Features from the attendant console using Administration port. Station port 01 intercom Through 32 for Feature Module 1 and assignedIdentifying numbers 801 through 856 for Feature Are the following On-Line Module Swap Port. Station port 19 is Inward Dial Plan Numbers. Four digits through Set system operating conditions Set options Before Administering a System Press Small for a small system or Large for a large System Administering a New SystemDial #201 Dial number to designate system size = small = large For a behind switch system, press MoreARS Dial #202 As an attendant position, and this cannot be changed Press Message Press Store This feature can be administered only from a Merlin Press # Administering a New System Press More, More, Print, DialPlan LNITIALIZING Go to of Block Renumbering or Single BelowStations or lines Press Lines, or Sations to select the screen for Dial the first lowest-numbered new Flexible Number dial code Dial the new Flexible Number code Press Enter Administering Lines If your system is pooled, follow this procedure. If your Administering a New System 5Press Lines, pools Press Adm Pool Press the line buttons until your selection is shown Administering Stations Dial #302 Press line buttons for the selection you want With a Display Console Press the Auto Intercom button or dial the code for Station Press Adm Tel Press Adm Tel Press Station, DialAcc Number of the station you are copying to Identifying Analog Voice Terminal Type Dial #320 Press Auto Intercom button until your selection is shown Planning.Form for Feature Module 2. The form shows To the center position Dial #210 Setting Options Follow the appropriate procedure below to identify Press Message Dial #204 Press the line button until your selection is shown Following codes Dial #205 Administering Data Terminal cannot have both features Dial #211 Assign voice/data pairs by pressing the appropriatePress either one of two adjacent Auto Intercom buttons Administering Tie Lines Setting tie line module DIP switches Administering a New System Port Options Switch Position Line type outgoing Signal type Direction300 ms Four digits, 4010 through 4097 Wink start Line, then press Enter Press More, More, More, TieLines, InType Repeat steps 4 and 5 for each tie line port Press the tie line button to select the dialing mode. wanted Touch the tie line button to select the dial tone Press Drop remove the old setting Setting Repeat steps 4 through 7 for each tie line port Press Drop to remove the old setting Press Exit if you do not want to change the setting. o r Switch to the center position Press Single Press Block Dial the first lowest numbered new dial code Press Enter Administering an Upgraded System Voice Announcement Call Restrictions Administering a Changed System From the administration menu, press System, More Dial #299 Press Small or Large for the system size wanted Planning formsDial number to designate system size 0 = small = large Enter administration mode by sliding the T/P switch to P With a BIS-34D.Console Dial the appropriate number = square With a Display Console Press Store Dial #203 Press More, Options, More, More, ModSwap Optional Features Features Compatibility Table A t u r e Quick Reference Administering Features from a Display Console Allowed Lists Press Dial table number O through Press D r o p Press Conference to Call Report To administer Copy from Use Backspace Disallowed Lists To create Dial the list number 0 through Group Call Distribution To assign lines Hold Disconnect Steady green light on = phone in group Night Service Enhanced To set up an To suspend Night Service with Time Set To get a One-Touch Call Handling To set system Drop Press Backspace or Drop to remove current entry Optional Features Administering Features from a BIS-34D Console Message ARS ARS To associate an Press the fixed button Conference, Transfer, or Drop Press Speaker Tel Press Conference To set up Disa outward Forced Account Code Entry Group Paging To assign phones to Press Message Night Service, Enhanced To assign phones to Touch Drop to remove entry Night Service, Enhanced To suspend Night Service Reminder Service Cancel Press Conference twice Transfer Return Administering Basic Telephones Administering Basic Telephones Basic Telephones Connected to Telephone Interface Devices Administering Basic Telephones Programming Voice Terminals Dial *36 for Delayed Ring Dial *346 for Delayed RingDial *37 for Immediate Ring Dial *347 for Immediate Ring Dial 36 for delayed ring Dial 37 for immediate ring Call Pickup Automatic Line Selection To program a pause, press Hold To program a stop, press Drop Programming Voice Terminals Programming Voice Terminals Troubleshooting Testing Tie Lines Reaming the Control Unit Testing Outside Lines Basic Troubleshooting Procedures Components Basic Troubleshooting Procedures For Release General Operating Conditions Basic Troubleshooting Procedures On-Line Module Swap Touch Conference twice Remove the controller station port designation Intercom button Touch a programmable button Exit the procedure by Touching Intercom Ring Tie Line Troubleshooting Tie Line Troubleshooting Tie Line Troubleshooting Tie Line Troubleshooting Tie Line Jack Pin Identification G n a l Pin No Try another tie line port, then retest the condition Select the next tie line for testing Testing Type 1 Compatible Tie Lines Tie Line Troubleshooting If you do not hear dial tone, go on to step Tie Line Troubleshooting Tie Line Troubleshooting Assign the tie lines to two stations, called station a Readminister port 1 for Type 1 Compatible899 Tie Line Troubleshooting Cross-connect field for Type 5 Simplex Tie Line Troubleshooting If the condition has not been corrected, go on to c Replace the Tie Line Module, then retest the condition Line Troubleshooting Procedures for Specific Symptoms Difficult to Place C a L LS Faulty Merlin II system Possible Cause Possible Solution To Investigate Further Caller Cant Hear Person Answering Hear the caller Symptom Calls waiting on hold are frequently disconnected Calls are CUT OFF or Dropped Symptom a voice terminal doesn‘t ring Intercom Ring Phone Constantly Rings Digital set with data stand Cause Possible Solution To Investigate Further Possible Cause Possible Solution To lnvestigate Further Faulty cable connection Symptom All voice terminals are without lights or dial tone Line Button Light Shows False Status BIS-34 Lights Dont O F F Symptom a feature programmed on a voice terminal doesnt work Symptom a module doesnt work properly in a slot Dirty Changed Recall Button Doesntwork C a L L S C O N N E C T S Line When Behind Switch System Looses ITS Memory DUE to a Power Failure General Tests On a BIS-34D Display Console, touch Message and dial #200 Hardware Restart General Tests Ordering Information Product Listing Ordering Information Product Listing 5 4 7 6 4 5 Products Voice Terminals and Accessories Apparatus Desk Stands and Wall Mounts Button Label Sheets FM2 & R3 only CHM-CH-BT2-B-1 Index Basic telephone jacks. See Jacks Console Illus Grounding Systems, 3-36 Processor, installing feature module on, 2-73 Power supply units, auxiliary, 2-122- 2-123Printer Stations Wiring. See also Voice terminal wiring jack field, 2-33

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