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
Installing Telephones Required Adjuncts Optional
Installling the Control Unit
Connecting the Network Interface
Programming the System
Connecting Data Equipment
Upgrading 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
Unit Loads
Unit Loads for Hybrid/PBX Mode
Checking Unit Loads
Unit Loads for Key or Behind Switch Mode
Installing the Basic Carrier
Auxiliary Power Units
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
Simplex Mode
400EM Tie Trunk Module DIP Switches
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
Fax Machines
Group Calling Delay Announcement Devices
Credit Card Verification Terminals
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
Install the D8AC cord on the DSS
Adjust the angle of the DSS
Wire the two DSSs. See Figure
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
Testing Loop-Start Trunks
Testing Trunks
RJ48C/X Interface
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
Telephone GPA or
Data Station Configurations
Station For voice
Modem Data Stations
7500B Data Stations
Setting Up
GPA Settings
Analog Voice and Modem Data Stations
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 the System
Setting the Time and Date
Testing MLX Telephones
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 Two-Way Automatic-Start Tie Trunks
Testing Tie Trunks
Testing Incoming 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
Make an announcement into the handset
Testing Music On Hold
Hang up Repeat Steps 1 through 3 for all paging zones
Testing the Power Failure Transfer Jacks
Ground-Start Button
Have that person call the number after you hang up
Testing Touch-Tone Receivers
If you hear reorder tone, try again
Installing the Top Cover
Installing the Control Unit’s Housing
Repeat the test for each TTR
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
Release 2.0 or Earlier
Replace the control unit housing
Program the system
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
Miscellaneous User Support
Document No Title
Documentation for Qualified Technicians
Feedback Form
Maintenance Terminal
Equipment
Tools
Setting Up the MLX-20L Console
On-Site Programming Maintenance
MLX-20L Failure
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
Removing the Control Unit Housing
Preparation for Hardware Maintenance
Exiting SPM
16Introduction
Disconnecting AC Power
Disconnecting AC Power
Maintenance Strategy
Maintenance Strategy
Trouble Reports
Alarms
Automatic Tests
Clearing Alarms
System Restarts
Warm Start
Cold Start Restart
Frigid Start System Erase
Check the Error Logs
Check Telephone Problems
Isolating the Trouble
Check the Access Log
Trouble Accessing the Error Logs
Check the power supply LED
Check the Modules
Check the Power Supply
Check the Processor
Check the Control Unit Carrier
Check the Trunks
Escalating the Problem
Check the Central Office
Unit Loads for Key or Behind Switch Mode
Unit Loads for Hybrid/PBX Mode
Checking Unit Loads
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 Error Log
From the Maintenance menu, select the System option
Select an error log option
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
General Telephone and Wiring Problems
Fixing Telephone Problems
Troubleshooting Telephone Problems Symptom Section
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
If these tests fail, replace the MFM
System Requirements For Touch-Tone Receivers
MLX Telephone Display Buttons
System Requirements for Touch-Tone Receivers
Modules with TTRs No. of TTRs
Control Unit Problems
Backing Up System Programming
Checking the Power Supply
Power Supply Problems
Checking the LED
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
Specify Slot
From the Maintenance menu, select the Slot option
Select the Demand Test
Select the Peek option
Dial a memory address
Poke
Continue
Select Poke two times
Console Display/Instructions Additional Information
Select Continue
System Erase Frigid Start
Select System Erase twice
Forced Installation of System Software
Select Yes
Menu →Maintenance →System →
Inserting a Memory Card
Select Upgrade/install
Initiate the software installation
Observe the memory card validation screens
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 Wrong Type
Missing Card or Card Not Inserted Correctly
Memory Card Is Corrupt
Removal of Memory Card During Installation
Other Error Conditions
Power Cycle During Installation
System Busy
Pressing hidden key two times will delete existing program
Replacing the Processor Module
Install the new processor module Power up the system
If possible, save system programming
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 Demand Test
Specify the slot number nn = 00 to
Select Internal Loopback 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
Specify the MLX module’s 2-digit slot number nn = 00 to
From the main menu, select the Slot option
Select the B-Channel Loopback test
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
Flash ROM Fails to Erase
Memory Card File Error
Xx = slot selected in Step
Upgrade Attempted on an Empty Slot
100D Module Problems
Board Memory Programming Failure
Error Events
CSU Loopback Test
Busy-out the 100D module Prepare the CSU
551 T1 CSU Loopback Connection
ESF T1 CSU DTE Loopback Connection
A t T e x t C n f i g
U E S F
S t P b k L p b k P t r n s
O p b a c k
O p b a c k O r t L L B P L B
LLB PLB DLB
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
Specify the 2-digit slot number nn= 00 to
Select Error Events
Select the current hour or a previous hour
100D Module Clock Status
Enter →Clock →Exit
From the Maintenance menu, select. the Slot option
Select Clock
Removing the Faulty Carrier
Carrier Problems
Unplug the control unit from the AC outlet
Replacing the Carrier
Checking System and Slot Status
System Status
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
Check for outside dial tone at the network interface
Outgoing Trunk Problems
If the module continues to malfunction, replace it
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
Summary Backup
Backup
Procedure Backup
Select Backup
Select Back/Restore
Select the System menu
Rename the backup file n = 1 to 11 characters
Select the backup filename
Save your entry
Observe the backup completion screen
Observe the backup progress screen
Respond to the prompt
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
Card Removed While Backup Is in Progress
Backup Canceled
= backup filename
Card Missing or Card Not Inserted Correctly
Card Is Write-Protected
Card Failure
Summary Restore
Procedure Restore
Select Restore
Observe the restore file validation screen
Select the restore file
Observe the restore progress 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
CAT
CAS
CCS
CMS
CRC
COR
CSU
DFT
DCE
DHG
Did
DOS
DLC
Dnis
DS0
DSS DTE
EIA
ESF
ESS
FCC
General-Purpose Adap See GPA Glare
Frame Framing format frequency generator
FRL
GPA
HFU
Hfai
Iclid
II/III
Isdn 7500B Data Module
Kbps Key mode
Isdn
Jack
LDN
LAN
LED
Logical ID
Access
Local loop
Loop-start trunk
MLX-10 or MLX-10D telephone
MFM
MLX-10DP
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
