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