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
 For administration purposes
Size, type, and features of a Merlin II system are
Determined using system planning forms
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
 Alert Adapter so that people working in noisy or
Accessories described here
Alerter Accessories. Devices such as a horn, bell
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 …
 Music-on-Hold interface
Module slots Board signatures Time slots 256
108
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 default
140 to 2400 ms increments of 10 ms
 Type
Signaling Protected
Mode Location
Same Site Simplex System Or Inter Type Building
 Other Inter Protected Requires a Building Type Protection
Far End
Merlin II System
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
 Installed at the control unit location, additional
Max. current amperes per power supply
Max. power use watts per power supply
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
 Modules -3.Each type of jack has a specific
Are for basic telephones only. In case of a power
There are various types of jacks on the line and station
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
 Z610A Adapter
2A Adapter Mounting
Z601A 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
 Required components of a Merlin
Basic Carrier Assembly
Feature Module
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
 Leftmost slot must contain the Power Supply Module
Power Supply Module in the leftmost slot
Processor Module before installing
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
 B1-DIR.1
LQ or NLQ
144
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 handset
Hang 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
 Leaves the building, and place the other where the cable
With power lines, and power currents induced by nearby
Power lines, Irob protectors are required. Two TII
Instructions on proper installation. See System
 35Grounding protection for Irob telephones
 Line
Available for Feature Module 1, Feature Module 2,
Remote location by using the Off-Premises Telephone
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
 Basic Telephones Connected to Telephone Interface Devices
Features that can Affect Calling Patterns
Modules
Centralized Programming
 Administrator/Attendant Console
 2The Administrator/Attendant Console
Page
 Administering Features a BIS-34 Console
Cannot be used to administer the Merlin
Administration method provided in this section under
Administration codes on the dial pad, then pressing line
 A BIS-34D Console Administrator/Attendant Console
 Assigning Intercom Numbers Display Console Shift Buttons
 Must be on next to the shift button for the group that
Display Console Station Shift Buttons
Shift
Contains that voice terminal’s intercom number. If
 Display on the Display Console
 Administration Menu for Merlin II System, Release
Page
 Current feature being administered
Current administration mode
Voice terminal can’t be administered
Information
 Before Administering a System
 Both the Merlin II System Display Console
 Programmable features, be sure to assign
Functions in administration mode, you should place a
Want to record the administration function labels in a
Features from the attendant console using
 Identifying numbers 801 through 856 for Feature
Administration port. Station port 01 intercom
Through 32 for Feature Module 1 and assigned
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 System
Dial #201
 Dial number to designate system size = small = large
For a behind switch system, press More
ARS
 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
 Stations or lines
Go to of Block Renumbering or Single
Below
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 appropriate
Press 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
 300 ms Four digits, 4010 through 4097 Wink start
Line type outgoing Signal type
Direction
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 forms
Dial 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 *37 for Immediate Ring
Dial *36 for Delayed Ring
Dial *346 for Delayed 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 Compatible
899
 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