AT&T MERLIN LEGEND Operating and safety instructions

AT&T
AT&T 555-610-140
Issue 1
August 1991
MERLIN LEGEND™
Communications System
Installation, Programming,
& Maintenance

Copyright © 1991 AT&T
AT&T 555-610-140
All Rights Reserved
Issue 1
Printed in U.S.A. August 1991
Notice
Every effort was made to ensure that the information in this book was
complete and accurate at the time of printing. However, information is
subject to change.
Federal Communications Commission (FCC) and
Canadian Department Of Communications (DOC) Information
For important FCC and DOC interference, registration, and repair
information, see “Customer Support Information” in this book.
Trademarks
Accunet is a registered trademark of AT&T.
Dimension is a registered trademark of AT&T.
Horizon is a registered trademark of AT&T.
Magic on Hold is a registered trademark of AT&T.
Megacom is a registered trademark of AT&T.
MERLIN is a registered trademark of AT&T.
MERLIN LEGEND is a trademark of AT&T.
MERLIN MAIL is a trademark of AT&T.
MLX-10, MLX-10D, MLX-20L, and MLX-28D are trademarks of AT&T.
MultiQuest is a registered trademark of AT&T.
SYSTIMAX is a trademark of AT&T.
MS-DOS is a registered trademark of Microsoft Corporation.
PagePac is a registered trademark of DRACON, a Harris Corporation.
Starset is a registered trademark of Plantronics Corporation.
Supra and StarMate are trademarks of Plantronics Corporation.
UNIX is a registered trademark of UNIX System Laboratories, Inc.
ZoneMate is a trademark of DRACON, a Division of Harris Corporation.
Support Telephone Number
AT&T provides a toll-free customer Helpline (1-800-628-2888)24 hours a
day (U.S.A. only). Call the Helpline, or your authorized dealer, if you need
assistance when installing, programming, or using your system.

ERRATA
MERLIN LEGEND™ Communications System
Installation, Programming, and Maintenance
555-610-140
Ignore all references to the small processor module. The MERLIN LEGEND™ Communications
System offers only one processor module. This processor module is referred to as a large processor
module in this document.
Ignore references to the “small” processor module on the following pages:
Page 1-6, Processor Module.
Page 1-35, System Capacities, first, fourth, and sixth paragraphs.
Pages 1-36 - 1-37, Table 1-8, System Capacities.
Pages 1-38 - 1-40, Table 1-9, Feature Capacities.
Page 2-6, Backboard Requirements.
Page 3-10, Install the Feature Module in the Processor Module, first paragraph.
Appendix C - Page C-1
Ordering Codes Table: The following Price Element Codes (PECs) am not valid:
Small (Analog) - 6141-CUA
Small (Digital) - 6141-CUD
Appendix C - Page C-2
Ordering Codes Table: The following Price Element Codes (PECs) are not valid:
Small (Analog) - 6141-24D
Upgrade from Small to Large 6140-USLA
October 1, 1991

Contents
Customer Support Information
xv
■
■
■
■
■
■
■
■
Support Telephone Number
FCC Electromagnetic Interference Information
DOC Interference Information
FCC Notification and Repair Information
Installation and Operational Procedures
DOC Notification and Repair Information
Security
Warranty and Liability
xv
xv
xv
xvi
xvii
xviii
xxi
xxii
About The Book
xxv
■
■
■
■
■
Related Documentation
xxv
How to Order Books xxvi
Additional Ordering Information
xxviii
Product Safety Labels xxviii
How to Comment on This Book xxviii
i

Contents
1 System Description
1-1
■
■
■
■
■
■
■
■
■
■
■
■
Modes of Operation
System Components
Control Unit
Telephones and Consoles
Adjuncts
Adapters
System Capacities
Data Capabilities
Networking Capabilities
Functional Units
Signal Processing
DS1 Capabilities
1-2
1-4
1-5
1-26
1-34
1-34
1-35
1-41
1-42
1-45
1-47
1-53
2Preparation
2-1
■
■
■
■
■
■
Planning Forms 2-2
Environment 2-5
Space and Location
2-6
Power and Grounding
2-8
Power Surge and Lightning Protection
2-14
Unit Loads 2-15
ii

Contents
3Installation
3-1
■ The Control Unit
■ Channel Service Unit
■ The SMDR Printer and the System
Programming PC
■ Data Adapters
■ System Wiring
■ IROB Protection
■ Telephones and Consoles
■ System Acceptance Test
3-2
3-19
3-45
3-56
3-77
3-102
3-103
3-116
4
Programming Procedures
■ System Programming
■ Programming Procedures
■ Set the Basic System Operating Conditions
■ System Renumbering
■ System Operator Positions
■ Lines and Trunks
■ DS1 Facilities
■ Tie Trunks
■ DID Trunks
■ PRI Facilities
■ Telephones
■ Auxiliary Equipment
■ Optional Telephone Features
■ Optional Operator Features
4-1
4-1
4-11
4-12
4-17
4-22
4-27
4-43
4-52
4-62
4-71
4-97
4-109
4-119
4-132
iii

Contents
Programming Procedures—Continued
■ Optional Group-Assigned Features 4-146
■ System Features 4-173
■ Automatic Route Selection
4-202
■ Night Service
4-215
■ Labeling
4-222
■ Backup, Restore, and Print System
Programming Reports
4-228
5
Maintenance and Troubleshooting
5-1
■ Maintenance
5-1
■ Troubleshooting
5-46
6Adapters, Accessories, and Applications
6-1
■ Adapters
6-1
■ Accessories
6-4
■ Applications
6-8
A Wiring
A-1
■ Wiring Tables
A-2
■ Wiring Diagrams
A-6
iv

Contents
B
Adjuncts
B-1
C
Product Ordering Information
C-1
D
Unit Load Calculation Work Sheet
D-1
E
General Telephone Programming
E-1
■ Programming Methods
E-2
F General Feature Use
F-1
G
Programming Special Characters
G-1
H System Programming
Console Overlay H-1
v

Contents
I System Programming Reports
I-1
J System Programming
Menu Hierarchy J-1
K
Two-Digit Numbering Plan
K-1
L
System Technician’s Run Sheet
L-1
AB Abbreviations
ABB-1
GL Glossary
GL-1
IN Index
IN-1
Illustrations
inside
back
cover
vi

Tables
1 System Description
1-1
1-2
1-3
1-4
1-5
1-6
1-7
1-8
1-9
1-10
1-11
Line/Trunk and Station Modules
Touch-Tone Receiver Requirements
Reusable MERLIN II Line/Trunk and
Station Modules
Reusable MERLIN II Hardware
Analog Multiline Telephones
Single-Line Telephones
Telephones and Adjuncts Not Supported
System Capacities
Feature Capacities
Tie-Trunk Compatibility
Line Compensation Settings
1-9
1-21
1-22
1-24
1-28
1-30
1-32
1-36
1-38
1-52
1-59
2 Preparation
2-1
Required Planning Forms
2-2 Required Planning Forms for
400EM, or 800 DID Modules
2-3 Optional Planning Forms
2-4 Environmental Requirements
2-5 AC Power Requirements
2-2
100D,
2-3
2-3
2-5
2-8
vii