AT&T
 Trademarks
Warranty
Copyright 1994, AT&T All Rights Reserved August
Security of Your System Preventing Toll Fraud
 Contents
 Connecting the Control Unit to the Network Interface
 Installing the PC, CAT, or Printer
 Installing Applications
 Unit Load Calculation Worksheet
 Figures
 MFM
 Connecting the Control Unit to the Network Interface
 Installing the PC, CAT, or Printer
 Ground-Start Button
 Tables
 Merlin Mail Ports Required
 Important Safety Instructions
Page
 Safety
 Safety Xviii Installation
 Intended Audience
How to Use This Book
 Xx Installation
 Lines, Trunks and Facilities
Terms and Conventions Used
 Example Purpose
Product Safety Labels
 Security
 System Documents
Related Documents
 AT&T
How to Comment on This Document
 How to Comment on This Document Xxvi Installation
 Order No -630-140 Date August
Merlin Legend Communications System Release
 Introduction
Installation Sequence
 System Forms
 Installling the Control Unit
Installing Telephones Required Adjuncts Optional
Connecting the Network Interface
 Connecting Data Equipment
Programming the System
Upgrading the System
 Overview
Installing the Control Unit
 Environment
 Control Unit Requirements
Electrical Noise/Radio-Frequency Interference
 Backboard Requirements
Hardware Preassemble Process
 Installing the Backboard
AC Power and Grounding
Page
 AC Grounding Requirements
 Using an Ideal 61-035 Circuit Tester or Equivalent
AC Power Requirements Parameter Value
 Measuring the AC Outlet Voltages
Unplug the circuit tester
 Grounding Requirements
 Central Office and AC Grounds
 Approved Grounds
 Central Office Trunk Protection
 Heavy Lightning Protection
 Installing 146A and 147A Protectors
 Unit Loads for Hybrid/PBX Mode
Unit Loads
Checking Unit Loads
 Installing the Basic Carrier
Unit Loads for Key or Behind Switch Mode
Auxiliary Power Units
 Marking the Basic Carrier Screw Holes
 Installing the Power Supply
 Installing a Copper Shield
Turning Off the Power
 Installing the Power Supply
 Installing a Copper Shield in the Power Supply
 Installing the Ferrite Cores
Installing the Power Supply Module Carrier
 Installing the Ferrite Cores
 Installing the Auxiliary Power Unit
 Installing an Auxiliary Power Unit
 Installing Expansion Carriers
 Connecting the Carriers
 Installing the Processor
 Push firmly until the processor snaps into place
Installing the Processor in the Carrier
 10. Installing the Processor into the Carrier
 Guidelines
Installing the Modules
 Installing Modules
 Tie Trunks
Tie Trunk Signaling
Signaling Modes
Signaling Types
 400EM Tie Trunk Module DIP Switches
Simplex Mode
Mode
 Merlin
Signaling Formats for the 400EM Tie Trunk Module
 11 EM Module Sample Dip Switch Settings for Signaling Types
 Labeling
 12. Line/Trunk and Telephone Jack Locations on Each Module
 Replacing a Module
 Installing the Control Unit
 13. Removing Modules from the Carrier
 Connecting the Control Unit to An AC Outlet
 Turn on the power switch on the basic carrier power supply
Powering Up the System
 Unplug the system from the AC outlet
Powering Down the System
 Powering Down the System 46Installing the Control Unit
 Installing Multi-Function Modules
Installing Telephones Adjuncts
 Considerations
 Risk of Electrical Shock Follow all warnings and cautions
 Removing the User Card Tray and Line Cable
 Releasing the Deskstand
 Removing the Deskstand
 Release and remove the module cover. See -5, -6,and Figure
Releasing the Module Cover Screw
 Releasing the Module Cover
 Removing the Module Cover
 Removing an MFM Module
 Install the new MFM. See Figure
Installing an MFM Module
 Multi-Function Module
 To remove the jack guard, see Figure
11. Removing the Jack Guard
 To replace the module cover, see -12, -13,and Figure
12. Placing the Module Cover into the Locating Slot
 13. Lowering and Locking the Module Cover
 14. Replacing and Tightening the Module Cover Screw
 15. Replacing the Deskstand
 16. Lowering the DeskStand and Locking into Place
 Replace the user card tray and line cable. See Figure
17. Replacing the User Card Tray and Line Cable
 Power up the telephone. See Figure
Adjust the deskstand height. See Figure
 19. Powering Up the Telephone after Installing the MFM
 Test the MFM for T/R operation
Attach the adjunct to the MFM. See Installing Adjuncts
 To connect an adjunct to a single-line telephone
20. Routing the Cords Through the Cord Channel
 To connect an adjunct to an analog multiline telephone
General Purpose Adapter
 Dial Dictation Devices
 Group Calling Delay Announcement Devices
Fax Machines
Credit Card Verification Terminals
 Headpieces
Headsets
 One-Touch Operation All Telephones
Manual Operation Analog Multiline Telephones Only
 21. Manual and One-Touch Headset Operation
Loudspeaker Paging Systems
 Dual-Tone Multifrequency Dtmf Signaling
 22. Single-Zone Paging with PagePac Plus
 23. Single-Zone Paging with Customer-Supplied Amplifier
 24. Single-Zone Paging with Upam
 Modems
Merlin Identifier
 Music On Hold and Magic on Hold
 36Installing Telephones and Adjuncts
 Music Port
 Supplemental Alert Adapter
Supplemental Alerts
 Unsupported Telephones, Adjuncts Adapters
27. Installing the Supplemental Alert Adapter
 Unsupported Telephones and Adjuncts Model
Single-Line Telephones
 Single-Line Telephones Description
 Single-Line Telephones in Release 3.0 and Later
 Installing Direct Station Selectors
 Adjust the angle of the DSS
Install the D8AC cord on the DSS
Wire the two DSSs. See Figure
 Wire the telephone to the DSS units. See Figure
28. Connecting One or More DSSs
 29. Wiring for Auxiliary Power
 Label the DSS designation cards
 Considerations
Assembling MLX Telephones
 Remove or adjust the deskstand. See Figure
30. Adjusting or Removing the Deskstand
 Connect the line cords. See Figure
31. Connecting the Line Cords
 Label the extension identification card
Connect the handset
 33. Labeling the Extension
 Prepare the handset holder for wall-mounting
34. Removing the Handset Holder
 Wall mounting an MLX-10, MIX-10DP, or MlX-10D telephone
Replace the extension label and plastic cover
 37. Mounting the Backplate
 Label the button assignment card
38. Routing the Cord Through the Backplate
 MDC 9000 Cordless Telephone
Installing Cordless or Cordless/Wireless Telephones
MDW 9000 Cordless/Wireless Telephones
Adjust the contrast on the telephone% display
 Connecting Telephones To the Control Unit
 Installing Telephones and Adjuncts
 Wiring a Telephone for Two Voice Pairs
 Even D8W
 Remove the wires or the patch cord from the connecting block
Removing Damaged Connecting Blocks
 40. Removing the Connecting Block
Page
 Connecting the Control Unit to Network Interface
 Network Interfaces Description Adapter
Wiring
 Did
 RJ21X Interface
 RJ21X Network Interface Connector
 RJ21X Wiring Field Hardware
Building the Wiring Field
 RJ21X Wiring Field Tools
 Using the D-Impact Tool to Seat the Conductors
 See Labeling Trunks, later in this chapter, for instructions
 RJ11 and RJ14 Interfaces
RJ11 and RJ14 Interfaces
 RJ2GX Interface
 Testing Trunks
Testing Loop-Start Trunks
RJ48C/X Interface
 Testing Ground-Start Trunks
 Labeling Trunks
Installing the Channel Service Unit
 Acculink CSUs
Page
 3150 Front Panel
Page
 Connecting a PC to the Control Unit
Installing the PC, CAT, or Printer
 Connect the D8W cord
Connecting a PC Within 50 Feet
 Connecting a PC Within 50 ft .2 m
 Connecting a PC More Than Feet 15.2 m Away
Page
 Connecting a PC More Than 50 ft .2 m Away
 Connecting a Printer To the Control Unit
Connecting a CAT To the Control Unit
 8Installing the PC, CAT, or Printer
 Connecting a CAT and Printer On the Same AC Outlet
 Connecting a CAT and Printer on the Same AC Outlet
Connecting a CAT and Printer on a Different AC Outlet
Page
Page
 Merlin Smdr
Page
 Connecting a Printer Within 50 Feet 15.2 m
 Connecting a Printer Within 50 ft .2 m
 Connecting a Printer 50 Feet Or More Away
 18Installing the PC, CAT, or Printer
 Connecting a Printer More Than 50 ft .2 m Away
 Connecting the 24813 Adapter and the 201213 Transformer
 Setting Printer Options and DIP Switches
 On next
AT&T 572 Printer Options Function Menu Status
 BPS
Function Menu Status
 Switch
AT&T 475/476 Printer DIP Switch Settings
 DIP 2-CM
AT&T CAT Printer DIP Switch Settings Control Switch
Page
 Data Stations
Connecting Data Equipment
 Data Station Configurations
Telephone GPA or
Station For voice
 Modem Data Stations
 7500B Data Stations
 GPA Settings
Setting Up
Analog Voice and Modem Data Stations
 Connect the GPA to the analog multiIine telephone
Connect the modem to the GPA
 Analog Voice and Modem Data Equipment Configuration
 Connect the modem to the control unit
Modem Data-Only Stations
 Modem Data-Only Equipment Configuration
 MLX Voice and Modem Data Stations
Modem Data and MLX Voice Equipment Configuration
 Connect the MLX telephone to the control unit
Connect the modem to the MFM in the MLX telephone
 MLX Voice and 7500B Data Stations
 Connect the 7500B data module to the control unit
MLX Voice and 7500B Data Equipment Configuration
 7500B Data-Only Stations
 B Data-Only Equipment Configuration
 Acculink 3150 CSU
Video Conferencing Data Stations
Page
 Video Conferencing Configuration
Page
 B Data Module Settings Kbps
7500B Data Module and CSU Settings
 Initializing the System
Initializing and Testing System
 Perform a System Erase frigid start
Programming Guides
Restoring from the Translation Memory Card
Restoring from the System Programming Disk
 Setting the Time and Date
Testing the System
Testing MLX Telephones
Page
 Press the unlabeled display buttons
Testing MLX Display Telephones
Testing MLX Telephones with MFMs
Hang up the handset to leave test mode
 Turn off the Message light
Testing Telephones for Dial Tone
Testing Telephones for Outside Dial Tone
Hang up
 Testing Analog Multiline Single-Line Telephones
 Dial *03 followed by the trunk ID number 01 through
Testing did Trunks
 Testing Tie Trunks
Testing Two-Way Automatic-Start Tie Trunks
Testing Incoming Automatic-Start Tie Trunks
 Testing Outgoing Automatic-Start Tie Trunks
 Verify that you have good two-way communication and hang up
Testing Two-Way Dial-Repeating Tie Trunks
Testing Incoming Dial-Repeating Tie Trunks
Testing Outgoing Dial-Repeating Tie Trunks
 Testing Selected System Features
 Group Calling Test
ARS and Smdr Tests
 Coverage Test
System Speed Dial Test
 Testing Night Service
Testing the DSS
 Testing the Paging System
Testing the Dictation System
 Testing Music On Hold
Make an announcement into the handset
Hang up Repeat Steps 1 through 3 for all paging zones
 Ground-Start Button
Testing the Power Failure Transfer Jacks
 Testing Touch-Tone Receivers
Have that person call the number after you hang up
If you hear reorder tone, try again
 Installing the Control Unit’s Housing
Installing the Top Cover
Repeat the test for each TTR
 Top Cover
 Installing the Control Unit Front Cover
Installing the Front Cover
 Installing Applications
 Voice Messaging Systems Touch-Tone Receivers
 Automated Document Delivery System
 Hardware Requirements
Call Accounting System
 Hardware and Software Requirements
Page
 CAS Documentation
Call Accounting Terminal
 8Installing Applications
 CAT Documentation
Call Management System
 Hardware and Software Requirements
 CMS Documentation
 Consideration
Conversant
 Conversant Intro Documentation
Integrated Solution
 Hardware Requirements
 Installing Applications
 AT&T Attendant
 Merlin Mail Ports Required Number of Jacks Required
Merlin Mail
 Considerations
 Hardware Requirements
 Merlin PFC
 Hybrid/PBX and Key Modes
Behind Switch Mode
 PassageWay Direct Connect Solution
 Hardware Requirements
 System Programming Maintenance SPM
 Hardware Requirements
Page
 Upgrading the System
 Removing the Control Unit Housing
 Removing the Control Unit Housing
 4Upgrading the System
 Powering Down the System
 Replace the processor module. See Figure
Install any expansion carriers
Install or replace any modules
Upgrading the Control Unit
 Remove the housing clips from the right side of the module
Replacing the Housing Clips
 Beware of hazardous voltages
 Replacing a Module in the Carrier
 Modifying the Processor For Key Mode
 Removing the Processor Module Cover
 Removing the Processor Module Circuit Board
 Changing the Key Mode Switch Position to Closed
 Install SPM Backup system programming
Completing the Upgrade
 Remove the control unit housing
Convert the backup file
If applicable, program new features
Install SPM
 Replace the control unit housing
Release 2.0 or Earlier
Program the system
 Installing the Control Unit Housing
 Completing the Upgrade 18Upgrading the System
 System Numbering Forms
 Figure A-1. Form 2a, System Numbering Extension Jacks
Form 2a, System Numbering Extension Jacks
Page
 Figure A-2. Form 2b, System Numbering Digital Adjuncts
Form 2b, System Numbering Digital Adjuncts
 Figure A-3. Form 2c, System Numbering Line/Trunk Jacks
Form 2c, System Numbering Line/Trunk Jacks
 Figure A-4. Form 2d, System Numbering Special Renumbers
Form 2d, System Numbering Special Renumbers
 Unit Load Calculation Worksheet
 Unit Load Worksheet
 Did
Module Qty Unit Load = Total
 Unit Load Hybrid/PBX or Modified = Total Square
Network Access Lines
Qty Equipment
Telephones
 Optional Equipment
Page
 DS1 GS/LS
 Qty Unit Load = Total Hybrid/PBX or Modified Square
Page
 Unit Load Calculation Worksheet 10Installation
 Index
 IN-2Installation
 Installation IN-3
 IN-4Installation
 Installation IN-5
 IN-6Installation
 Installation IN-7
 IN-8Installation
 Installation IN-9
 Index IN-10Installation
 Maintenance and Troubleshooting
 All Rights Reserved August
Copyright 1994, AT&T
 Contents
 Error Logs, Access Logs, and System Inventory
 Central Office Problems
 GL Glossary Index
 Figures
 Backing Up with a Memory CardChapter Name
 Function of PC Keys in SPM
 Tables
 LMPORTANT Safety lNSTRUCTlONS
Page
 Safety
 Safety Xiv Maintenance and Troubleshooting
 About This Book
 Terms and Conventions Used
 On next
Typographical Conventions
 Product Safety Labels
 System operator Support
Document No. Title
System Documents
Telephone User Support
 Document No Title
Miscellaneous User Support
Documentation for Qualified Technicians
 Feedback Form
 Equipment
Maintenance Terminal
 Tools
 On-Site Programming Maintenance
Setting Up the MLX-20L Console
MLX-20L Failure
 Figure l-l. Setting Up the MLX-20L Console
 Setting Up the PC
Setting Up the PC
 Remote Programming Maintenance
 Connect the PC and modem
Setting Up Equipment for Remote Maintenance
 Press any key
Using SPM
Starting SPM
With a Direct Local Connection
 Dialing the System Operator
When you hear the modem tone, hang up
Enter the password
With a Local or Remote Modem Connection
 Dialing the Modem Directly
 Select an option
Console Display/Instructions
 SPM Display
SPM Display
 Conf
Function of PC Keys in SPM Console SPM Function
 ←Bksp
 Preparation for Hardware Maintenance
Removing the Control Unit Housing
Exiting SPM
 16Introduction
 Disconnecting AC Power
Disconnecting AC Power
 Maintenance Strategy
Maintenance Strategy
 Alarms
Trouble Reports
Automatic Tests
 System Restarts
Clearing Alarms
 Cold Start Restart
Warm Start
 Frigid Start System Erase
 Check Telephone Problems
Check the Error Logs
Isolating the Trouble
 Trouble Accessing the Error Logs
Check the Access Log
Check the power supply LED
 Check the Control Unit Carrier
Check the Power Supply
Check the Processor
Check the Modules
 Escalating the Problem
Check the Trunks
Check the Central Office
 Unit Loads for Hybrid/PBX Mode
Unit Loads for Key or Behind Switch Mode
Checking Unit Loads
 28Introduction
 Error Logs
Error Logs, Access Logs, System Inventory
 Summary
Checking the Error Logs
Transient/Permanent Error Thresholds Code Error Description
More → More → Error Log
 From the Maintenance menu, select the System option
Select Error Log
Select an error log option
 Console Display/Instructions Additional Information PC
Checking Transient Errors
 Interpreting Error Codes
Checking the Last 10 Errors
 000l
Error Codes Action Description
 Start
Error Action Codes Description
 8Error Logs, Access Logs, and System Inventory
 Full
Error Codes Description Action
 10Error Logs, Access Logs, and System Inventory
 6COA DS1
 PRI B-CH Group Inconsist
 7404
Error Codes Descrption Action
 Not in Standby Mode
 Miscellaneous Error
 On Hook Before Ready
 840D Incorrect Firmware State
 Reviewing the Access Log
Access Log
 Scanning the Log
Display the first screen of the Access Log
 More
System Inventory
 Select the Inventory option
Reviewing the Screen
 Xx = slot number entered in Step
Phantom Modules
 Telephone Problems
 Fixing Telephone Problems
General Telephone and Wiring Problems
Troubleshooting Telephone Problems Symptom Section
 Check the LEDs on the module
 If the LEDs do not light, retest the original telephone
Analog Multiline Telephone Problems
Voice Transmission Problems
Move the T/P switch to its normal position
 Call Forwarding Problems
Single-Line Telephone Problems
 MLX Telephone Tests
 LEDs should toggle on and off
 System Requirements For Touch-Tone Receivers
If these tests fail, replace the MFM
MLX Telephone Display Buttons
 System Requirements for Touch-Tone Receivers
 Modules with TTRs No. of TTRs
 Backing Up System Programming
Control Unit Problems
 Power Supply Problems
Checking the Power Supply
Checking the LED
 Checking the Interlocking Post
 Replacing the Ring Generator
Power Supply Interlocking Post
 App. Code
PEC and Apparatus Codes for 012 Modules
 6Control Unit Problems
 Replacing a Ring Generator
 Replacing Auxiliary Power Units
 Replacing an Auxiliary Power Supply
 Power down the system
Replacing the Power Supply
 Insert a new power supply
 Peek
Processor Problems
 From the Maintenance menu, select the Slot option
Specify Slot
Select the Demand Test
 Dial a memory address
Select the Peek option
 Continue
Poke
 Console Display/Instructions Additional Information
Select Poke two times
Select Continue
 System Erase Frigid Start
 Select System Erase twice
 Select Yes
Forced Installation of System Software
 Menu →Maintenance →System →
 Inserting a Memory Card
 Initiate the software installation
Select Upgrade/install
Observe the memory card validation screens
 MemCard Rel Vnn.mm Current
 If the release number is the one you want, select Yes
 Restore system programming
Error Conditions During Forced Installation
 Processor Problems
 Missing Card or Card Not Inserted Correctly
Memory Card Is Wrong Type
Memory Card Is Corrupt
 System Busy
Other Error Conditions
Power Cycle During Installation
Removal of Memory Card During Installation
 Pressing hidden key two times will delete existing program
 Install the new processor module Power up the system
Replacing the Processor Module
If possible, save system programming
 Replacing the Feature Module
 Replacing the Feature Module
 Module Tests
Module Problems
 Module Test Process
Module Test Process
 Test Notes
Busy-Out/Reset
Power supply
System Components
 For 100D modules, continue with the CSU Ioopback test
Busy-out or reset the module
Run the internal Ioopback test
Run the board controller test
 Busy-Out and Reset
Persistent Module Problems
 Specify the slot number n=00 to
Busy-Out Summary
 Select Busy-Out
Console DispIay/Instructions
 Console Display/Instructions Additional Information P C
Reset Summary
 Specify the slot number nn = 00 to
Select Reset
 Restore
 Specify the slot number n= 00 to
Enter →Restore →Yes
 Select the Restore option
 Internal Loopback Test
 Menu →Maintenance →Slot
 Specify the slot number nn = 00 to
Select Demand Test
Select Internal Loopback Test
 Screen below smearsI
Interpreting Test Results
 Slot empty or not valid
Restoring the Module
 Board Controller Test
 Select the Board Controller Test
 Board aaaaaaaaaaaaaaaaa
Select Test Once or Repetitive
 Channel Loopback Test
 Summary
 From the main menu, select the Slot option
Specify the MLX module’s 2-digit slot number nn = 00 to
Select the B-Channel Loopback test
 Screen below appears only if the test fails
 Replacing Modules
Channel Loopback Errors Error Messages Corrective Action
 To replace a module, follow the steps below
 Checking Unlabeled Wiring
 Upgrading Circuit Module Firmware
 Summary
 Inserting the Upgrade Memory Card
 Specify the slot number nn =00 to
Select Upgrade
 Module Problems Screens below appear during the procedure
 Observe the status screen below
 Memory Card In Use By Another Feature
Error Conditions During Firmware Upgrade
 Module Cannot Be Upgraded
 Select Exit and reinitiate the upgrade procedure
Module Error
 Memory Card File Error
Flash ROM Fails to Erase
Xx = slot selected in Step
 100D Module Problems
Upgrade Attempted on an Empty Slot
Board Memory Programming Failure
 CSU Loopback Test
Error Events
 Busy-out the 100D module Prepare the CSU
 551 T1 CSU Loopback Connection
 ESF T1 CSU DTE Loopback Connection
 U E S F
A t T e x t C n f i g
S t P b k L p b k P t r n s
 O p b a c k O r t L L B P L B
O p b a c k
LLB PLB DLB
 Select the CSU Loopback Test
Specify the 2-digit slot number Nn = 00 to
 Screen below appears when the test fails
 Fmwr not in Standby Node
 Automatic Tests for the 100D Module
 100D Module Error Events
 Select Error Events
Specify the 2-digit slot number nn= 00 to
Select the current hour or a previous hour
 Enter →Clock →Exit
100D Module Clock Status
 Select Clock
From the Maintenance menu, select. the Slot option
 Carrier Problems
Removing the Faulty Carrier
Unplug the control unit from the AC outlet
 Checking System and Slot Status
Replacing the Carrier
System Status
 Select Status
 Green LED
Interpreting the System Status Screen
Red LED
Yellow LED
 →Enter →Status
Slot Status
 F10
Select the Status option
 LED
 Checking System and Slot Status 92Control Unit Problems
 Troubleshooting Trunk Problems
Trunk Errors
 Troubleshooting Trunk Symptoms Section
Manual Correction of Trunk Problems
 Outgoing Trunk Problems
Check for outside dial tone at the network interface
If the module continues to malfunction, replace it
 Place an incoming call through the troubled trunk
Incoming Trunk Problems
Testing Trunks Automatically
Maintenance-Busy Status
 Maintenance-Busy Causes
Permanent Errors
 TieTrunk
Maintenance-Busy Programming
Ground-Start GS Trunk
Loop-Start LS Trunk
 Checking Ports
Checking Trunk Maintenance-Busy Status Summary
 Select the Line/Trunk Option
From the Maintenance menu, select the Port option
 Next trunk
Checking Extension Maintenance-Busy Status Summary
Select trunk Status Xxx = line number entered in Step
Select Next to see the status
 Select the Station extension option
 Busying-Out a Trunk Summary
 Specify the dial plan number line for the trunk nnn = 801 to
 Busying-Out an Extension Summary
 14Central Office Problems
 Screen below appears when Busy-Out is completed successfully
 Restoring a Trunk Summary
 Additional Information
 Restoring an Extension Summary
 Select Restore
 → F1 → F3
Resetting an RS-232 Port
Console Procedure
PC Procedure
 Specify the RS-232 port
 Resetting the Processor’s Internal Modem Summary
 Select the Modem option
 Screen below is shown until Reset fininshes or fails
 Auditing Lines Summary
Auditing DS1 PRI B-Channels
 Select the B-Channel option
 Select Audit Line
 Auditing Calls Summary
 Select Audit Call
 Installing the Control Unit Housing Release 2.1 or Later
Conclusion of Hardware Maintenance
 To install the front cover, see -2and follow these steps
 Installing the Control Unit Top Cover Release 2.1 and Later
 Conclusion of Hardware Maintenance Front cover
 Assemble the control unit housing. See Figure
Installing the Control Unit Housing Release 2.0 or Earlier
 Assembling the Control Unit Housing Release 2.0 and Earlier
 Installing the Control Unit Housing Release 2.0 and Earlier
 Support Telephone Number
Customer Support Information
 Customer Support Information
 FCC Notification and Repair Information
Page
 Installation and Operational Procedures
 DOC Notification and Repair Information
 DOC Certification No 4095A CSA Certification No. LR Load No
 Customer Support Information
 Maintenance and Troubleshooting A-9
 10Maintenance and Troubleshooting
 Security of Your System Preventing Toll Fraud
Page
 Limited Warranty Limitation of Liability
 14Maintenance and Troubleshooting
 Limitation of Liability
Voice Mail Systems
Page
 Remote Administration Maintenance
Page
 Figure B-1
 Figure B-1. Form 2a, System Numbering Extension Jacks
Page
 Figure B-2. Form 2b, System Numbering Digital Adjuncts
 Figure B-3. Form 2c, System Numbering Line/Trunk Jacks
 Figure B-4. Form 2d, System Numbering Special Renumbers
 Unit Load Calculation Worksheet
 Unit Load Worksheet
 MLX
 Network Access Lines
 Optional Equipment
Page
 Telephones
 Unit Load Calculation Worksheet
Page
Page
 Backing Up with a Memory Card
 Card Types
 Figure D-1. Pcmcia Transition Memory Card
 Figure D-2. Inserting the Memory Card
Inserting the Card
 Unformatted Card
Memory Card Formatting
 Format Warning
 Backup
Summary Backup
Procedure Backup
 Select Back/Restore
Select Backup
Select the System menu
 Select the backup filename
Rename the backup file n = 1 to 11 characters
Save your entry
 Observe the backup progress screen
Observe the backup completion screen
Respond to the prompt
 Summary Automatic Backup
Automatic Backup
 Select Auto Backup
Procedure Automatic Backup
 Select Off
Make a selection
 Erase the current daily backup time
Daily Backup Procedure
 Erase the current weekly backup day and time
Backup Messages
 Backup Canceled
Card Removed While Backup Is in Progress
= backup filename
 Card Is Write-Protected
Card Missing or Card Not Inserted Correctly
 Card Failure
 Summary Restore
 Select Restore
Procedure Restore
 Select the restore file
Observe the restore file validation screen
Observe the restore progress screen
 Card Missing or Card Not Inserted Correctly
Restore Messages
 Wrong System Programming Port
Card Removed after Confirmation
 Card Failure after Confirmation
Release Mismatch
 Board Mismatch
Wrong Type of Card
 Strap in Place for Key Mode but Mode is Set To Hybrid
 Release 2.1 and Earlier
Modifying a Release 2.1 or Earlier Processor for Key Mode
 Figure E-1. Modifying the Processor for Key Mode
 Installing the Control Unit Housing Release 2.1 and Earlier
 Figure E-2. Installing the Control Unit Housing
 ALS
Adds
 Ascap
AMI
ANI
ARS
 AT&T Attendant
AT&T Switched Network Audix Voice Power
Asynchronous data
Transmission
 B8ZS
 BIS
 Board assignment Board renumbering Bus Button Byte
 CAS
CAT
CCS
 CMS
 COR
CRC
CSU
 DCE
DFT
DHG
 Did
 DS0
DLC
Dnis
DOS
 EIA
DSS DTE
 ESS
ESF
 FCC
 GPA
Frame Framing format frequency generator
FRL
General-Purpose Adap See GPA Glare
 Hfai
HFU
Iclid
 II/III
 Jack
Kbps Key mode
Isdn
Isdn 7500B Data Module
 LAN
LDN
LED
 Loop-start trunk
Access
Local loop
Logical ID
 MFM
MLX-10 or MLX-10D telephone
MLX-10DP
 Glossary
 OPX
OPT
 PBX
 PRI
PFT
 RAM
QCC
 SID
ROM
SAA
SDN
 Smdr
Simplex signaling
Single-line telephone
Slot
 System date
System acceptance test System Access buttons
Programming Maintenance
Supplemental Alert See SAA Adapter
 TTR
TDM
 VMI
UPS
VAC
VDC
 Maintenance and Troubleshooting IN-1
 IN-2Maintenance and Troubleshooting
 Maintenance and Troubleshooting IN-3
 IN-4Maintenance and Troubleshooting
 Maintenance and Troubleshooting IN-5
 Index