Definity Addendum 1 for DS1-DMI-ISDN-PRI Reference

304 Pages·1997·1.84 MB·English

AT&T
AT&T Business Communications Systems
subject: Addendum 1 (555-025-101ADD) for date: December 1990
DS1/DMI/ISDN-PRI Reference
(555-025-101) from: AT&T
The packet of addendum information enclosed with this cover memo includes any necessary
replacement, supplement, and errata pages to DS1/DMI/ISDN-PRI Reference. It contains both
new information and information from any previous addenda to the document. By
incorporating the addendum as instructed on the next page, you can update your copy of the
document to be current with the latest issue of the System 85 or DEFINITY® Generic 2.1
Communications System.
When you have incorporated the addendum, be sure to insert the addendum description
into your document behind the title page, where it will serve as a record that the
document has been addended.
ADDENDUM DESCRIPTION
This addendum includes necessary replacement, supplement, and errata pages to DS1/DMI/ISDN-PRI
Reference (555-025-101), Issue 4, dated April, 1990. Incorporate the addendum as instructed below to
update your copy of the document to be current with the latest issue of the System 85 or DEFINITY®
Generic 2.1 Communications System. Then insert this addendum description into the document,
behind the title page and before the table of contents. It will serve as a record that your
document has been addended.
Nature of the Document Changes
The general nature of the changes to your document is as follows: This packet contains information
about the following features:
l Integrated Telemarketing Gateway Interface (ITGI), Integrated Telemarketing Gateway (ITG), and
ISDN Advantage including general descriptions on these unique applications of PRI trunks
l Look-Ahead Interflow, while currently documented on page 1-28, has expanded general descriptive
information and additional administrative support information
l Appendix E, Trunk Type and signaling Type Compatibility Tables is a new group of trunk tables
l Miscellaneous cosmetic changes
Nature of the Addendum Pages
The addendum pages in this package may be of up to three types:
l Replacement pages contain new or changed information, indicated by margin rule marks ‰ in text or
hand symbols or in tables and figures. They are to replace existing pages in your document.
l Supplement pages contain all new information. They are to be added to your document.
l Errata pages contain lists or descriptions of corrections to be noted by hand in your document.
Instructions for Handling Addendum Pages
Instructions for handling the addendum pages are as follows:
ADDENDUM 1 (December 1990) to 555-025-101, Issue 4
ADD-1
ADD-2 ADDENDUM DESCRIPTION
Chapter Type of Change Pages Affected Instructions
Table of Contents Replacement all pages Remove all pages from document and
discard; replace with new Table of
Contents supplied.
About This Replacement all pages Remove all pages from document and
Document discard; replace with new About This
Document supplied.
Chapter 1 Replacement 1-3 to 1-6 Remove pages 1-3 to 1-6 from document
and discard; replace with those supplied.
Chapter 1 Errata 1-9 Make corrections by hand on page 1-9 of
document. Add the following words to the
end of the second paragraph in the D-
Channels heading:
Up to 479 B-Channels may be controlled
by a single D-channel.
Chapter 1 Replacement 1-21 to 1-32 Remove pages 1-21 to 1-32 from document
and discard; replace with pages 1-21 to
1-34 supplied.
Chapter 2 Replacement 2-1 to 2-2 Remove pages 2-1 to 2-2 from document
and discard; replace with those supplied.
Chapter 2 Replacement 2-11 to 2-16 Remove pages 2-11 to 2-16 from document
and discard; replace with those supplied.
Chapter 3 Replacement all pages Remove all pages from document and
discard; replace new chapter supplied.
Chapter 5 Replacement 5-29 to 5-32 Remove pages 5-29 to 5-32 from document
and discard; replace with those supplied.
Chapter 6 Replacement 6-1 to 6-8 Remove pages 6-1 to 6-8 from document
and discard; replace with those supplied.
ADDENDUM 1 (December 1990) to 555-025-101, Issue 4
ADDENDUM DESCRIPTION ADD-3
Chapter Type of Change Pages Affected Instructions
Chapter 7 Replacement all pages Remove all pages from document and
discard; replace new chapter supplied.
(Retain and place sub-chapter tabs
appropriately.)
Chapter 8 Replacement 8-7 to 8-8 Remove pages 8-7 to 8-8 from document
and discard; replace with those supplied.
Appendix D Replacement all pages Remove all pages from document and
discard; replace with new appendix
supplied.
Appendix E Supplement n/a Add new appendix to document.
Index Replacement all pages Remove all pages from document and
discard; replace with new Index supplied.
ADDENDUM 1 (December 1990) to 555-025-101, Issue 4
CONTENTS
xxi
ABOUT THIS DOCUMENT
xxi
PURPOSE
xxii
INTENDED AUDIENCES
xxii
PREREQUISITE SKILLS AND KNOWLEDGE
xxii
HOW THIS DOCUMENT IS ORGANIZED
xxiv
HOW TO USE THIS DOCUMENT
xxiv
TRADEMARKS AND SERVICE MARKS
xxiv
RELATED SOURCES
xxv
HOW TO MAKE COMMENTS ABOUT THIS DOCUMENT
1-1
1. INTRODUCTION
1-1
FUNDAMENTALS OF DS1 SIGNALS
1-7
Channels
1-10
Framing Formats
1-14
Signaling Types
1-16
Line-Coding Formats
1-22
IMPORTANT CONCEPTS
1-23
Common-Channel Signaling
1-23
Alternate Voice/Data (AVD) Trunks
1-23
Bearer Capability (BC)
1-27
ISDN Call Processing
1-30
CBC Service Selection
Networking Restrictions and ISDN-PRI Limitations 1-32
2. NETWORK CONNECTIONS AND CONFIGURATIONS 2-1
NETWORK DIFFICULTIES 2-1
Hyperactivity 2-1
Glare 2-2
iii
ADDENDUM 1 (December 1990) to 555-025-101, Issue 4
iv CONTENTS
2-3
DS1/DMI PRIVATE-NETWORK CONNECTIONS
2-3
Generic 1, Generic 2, System 75, or System 85 to Another System
2-3
Host Computer to Another System
2-4
IBM® IDNX Multiplexer to Another System
2-4
Other Vendor Digital Switch to Another System
2-5
Analog Switch to Another System
2-5
OPS to Another System Via a D4-Channel Bank
2-6
DS1/DMI PUBLIC-NETWORK CONNECTIONS
2-6
4ESS to Another System (Special-Access Connection)
2-7
5ESS to Another System
2-8
DACS to Another System
2-8
Analog CO to Another System Via a D4-Channel Bank
2-9
DS1/DMI TERMINAL-EQUIPMENT CONNECTIONS
2-9
CDM
2-10
CEM to a BCM32000
ISDN-PRI PRIVATE-NETWORK CONNECTIONS 2-12
System 85 R2 to a System 85 R2V4, Generic 1, or Generic 2 2-12
System 85 or Generic 2 ISDN-PRI to Another Vendor’s Digital Switch 2-13
ISDN-PRI PUBLIC-NETWORK CONNECTIONS 2-13
System 85 R2V4, Generic 1, and Generic 2 to a 4ESS 2-13
System 85 R2V4, Generic 1, or Generic 2 to a DACS 2-15
System 85 or Generic 2 ISDN-PRI to a 5ESS 2-15
ISDN-PRI INTRA-SWITCH CONNECTIONS 2-16
Generic 2 ISDN-PRI with the Integrated Telemarketing Gateway Interface 2-16
AT&T 6500 ISDN Advantage 2-19
3. DS1 TRANSMISSION AND CABLING 3-1
METALLIC CABLING OPTIONS 3-2
DSX-1 Distance Limitations 3-2
Network Channel Terminating Equipment (NCTE) 3-2
On-Premises Cabling 3-6
Off-Premises Cabling 3-9
NONMETALLIC CABLING OPTIONS 3-10
ADDENDUM 1 (December 1990) to 555-025-101, Issue 4
CONTENTS v
3-11
CEM AND CDM CABLING CONFIGURATIONS
3-13
LINE EQUALIZER AND COMPENSATION SETTINGS
3-13
System 85 Traditional Modules
3-13
Generic 1 and Generic 2 Universal Modules
4-1
4. THE DIGITAL LOSS PLAN
4-2
LOSS-PLAN IMPLEMENTATION AND PROVISIONING
4-2
Generic 2
4-3
Generic 1
4-4
PORT-TO-PORT LOSS VALUES
4-6
DS1/DMI/ISDN-PRI PORT LOSSES
4-6
TERMINATING A DS1 AT A CHANNEL BANK
4-6
Tie Trunk Ports
4-6
CO DID Trunk Ports
4-7
OPS Ports
5. SYNCHRONIZATION OF DIGITAL FACILITIES 5-1
5-1
THE NEED FOR SYNCHRONIZATION
5-3
SYNCHRONIZATION HIERARCHY
5-7
System 85 and Generic 2 Synchronization Architecture
5-9
System 85 and Generic 2 Synchronization Software Operation
5-11
CHANGES TO THE SCS SOFTWARE MADE AVAILABLE VIA SOFTWARE PATCHES
System 75 and Generic 1 Synchronization Architecture 5-11
System 75 and Generic 1 Synchronization Software Operation 5-12
The External Synchronization Clock 5-14
5-18
NETWORK SYNCHRONIZATION AND ENGINEERING
Selecting a Timing Source for the Switch 5-18
Internal Reference Selection Rules 5-19
External-Reference Selection Rules 5-27
AVAILABILITY OF SYNCHRONIZATION SOURCES 5-28
CONCLUSIONS ON SYNCHRONIZATION 5-29
USE OF GENERIC 2 AS A SYSTEM CLOCK REFERENCE 5-29
ADDENDUM 1 (December 1990) to 555-025-101, Issue 4
vi CONTENTS
5-29
ISDN-PRI Trunk Facilities
5-29
Line-Only Mode DS1/DMI-BOS (ANN11 or TN767)
5-30
Line+Trunk Mode DS1/DMI-BOS (ANN35 or TN767 with TN555)
5-30
DMI-MOS (ANN35 or TN767 with TN555)
5-30
USE OF GENERIC 1 AS A SYSTEM CLOCK REFERENCE
5-30
Trunk-Mode ISDN-PRI (TN767)
5-31
Trunk-Mode Interface (ISDN-PRI + Robbed Bit) (TN767)
5-31
Line-Only Mode DS1/DMI-BOS (TN767)
5-31
Trunk-Mode DS1/DMI-MOS (TN767)
6. PORT TYPES/INSTALLATION COMPATIBILITIES 6-1
6-4
GENERIC 1 DS1/DMI-BOS
6-4
Operating Mode
6-4
Supported Port Types
6-5
GENERIC 1 ISDN-PRI
SYSTEM 85 DS1, TRADITIONAL MODULES (ANN11) 6-6
Operating Modes 6-6
Line+Trunk Mode Port Grouping Rules 6-10
Supported Port Types 6-10
SYSTEM 85 DS1 OR DMI-MOS, TRADITIONAL MODULES (ANN35) 6-13
Operating Mode 6-13
Port Grouping Rules 6-14
Supported Port Types 6-14
7. ADMINISTRATION OPTIONS AND REQUIREMENTS 7-1
SYSTEM 85 (R2V1 THROUGH R2V4) 7-3
Procedure 275 Word 4: ISDN Service — Enable/Disable 7-3
Procedure 276 Word 1: Other Feature Groups 7-4
Procedure 250 Word 1: DS1 — Carrier Designation 7-5
Procedure 260 Word 1: DS1/DMI/ISDN-PRI Physical Interface 7-6
Procedure 262 Word 1: ISDN Board Parameters 7-16
Procedure 354 Word 3: NPA-NXX Digits Assignment 7-18
ADDENDUM 1 (December 1990) to 555-025-101, Issue 4
CONTENTS vii
Procedure 000 Word 4:NPA-NXX Index Designator 7-19
Procedure 210 Word 2:LDN, NPA, and NNX Attendant Partition Assignments 7-20
Procedure 010 Word 4:Line Side (B-Channel) BC and ISDN Routing Options 7-22
Procedure 100 Word 1:Trunk Group Type, Signaling, and Dial Access (ID) Code 7-23
Procedure 100 Word 2:Trunk Group Data Translations 7-26
Procedure 100 Word 3:ISDN Trunk Group Signaling Options 7-27
Procedure 101 Word 1:ISDN Trunk Group, CDR, Digital Loss Plan, and AVD Assignments 7-31
Procedure 103 Word 1:Trunk Group Digit Collection and Trunk-Side BC 7-34
Procedure 116 Word 1:DS1/DMI/ISDN-PRI Trunk Assignments 7-36
Procedure 012 Word 1:Name Database 7-39
Procedure 012 Word 2:Name Database 7-41
Procedure 012 Word 3:Name Database 7-42
Procedure 309 Word 1:ARS Assignments and IXC/ISDN Network Identifier 7-43
Procedure 309 Word 5:ARS and ISDN Trunk — Network Characteristics 7-45
Procedure 321 Word 1:AAR Assignments and IXC/ISDN Network Identifier 7-46
Procedure 321 Word 5:AAR and ISDN Trunk — Network Characteristics 7-48
Procedure 107 Word 1:ISDN Trunk Verification by Terminal, Attendant, and ATMS 7-49
Procedure 108 Word 1:ISDN Trunk Group Terminating Test Line Number (Digits) 7-50
GENERIC 2 7-53
Procedure 275 Word 4:ISDN Service — Enable/Disable 7-53
Procedure 276 Word 1:Other Feature Groups 7-54
Procedure 250 Word 1:SC/DS1 — Carrier Designation 7-54
Procedure 260 Word 1:DS1/DMI/ISDN-PRI Physical Interface 7-56
Proecdure 262 Word 1:Additional DMI-MOS/ISDN-PRI Facility Options 7-67
Procedure 262 Word 2:ISDN-PRI D-Channel Backup 7-69
Procedure 262 Word 3:ISDN-PRI Codeset Map Assignments 7-71
Procedure 280 Word 1:ISDN-PRI Receive/Transmit Codeset Mapping 7-72
Procedure 354 Word 3:NPA-NXX Digits Assignment 7-75
Procedure 000 Word 3:Line-Side BCCOS Designator 7-76
Procedure 000 Word 4:NPA-NXX Index Designator 7-78
Procedure 210 Word 2:LDN, NPA, and NNX Attendant Partition Assignments 7-79
Procedure 014 Word 1:BCCOS Routing Options 7-80
Procedure 014 Word 2:BCCOS Data Options 7-82
Procedure 010 Word 4:Line Side (B-Channel) ISDN Routing Options 7-84
ADDENDUM 1 (December 1990) to 555-025-101, Issue 4
viii CONTENTS
7-85
Procedure 100 Word 1:Trunk Group Type Signaling and Dial Access (ID) Code
7-88
Procedure 100 Word 2:Trunk Group Data Translations
7-90
Procedure 100 Word 3:ISDN Trunk Group Signaling Options
7-93
Procedure 101 Word 1:ISDN Trunk Group, CDR, and Digital Loss Plan
7-95
Procedure 103 Word 1:Network Trunk Group Translations
7-96
Procedure 116 Word 1:DS1/DMI/ISDN-PRI Trunk Assignments
7-99
Procedure 012 Word 1:Name Database
7-100
Procedure 012 Word 2:Name Database
7-101
Procedure 012 Word 3:Name Database
7-102
Procedure 279 Word 1:Network Facilities Coding
Procedure 309 Word 1:ARS Route Tables 7-104
7-106
Procedure 309 Word 5:ARS-ISDN BCCOS
7-107
Procedure 321 Word 1:AAR Tables (Generic 2)
7-108
Procedure 321 Word 5:AAR-ISDN and Other Feature Parameters
7-110
Procedure 107 Word 1:ISDN Trunk Verification by Terminal, Attendant and ATMS
Procedure 108 Word 1:ISDN Trunk Group TTL Number (Digits) 7-111
7-113
SYSTEM 75 (R1V2 AND R1V3)
Network Synchronization Options 7-116
Network Facilities — ISDN-PRI Applications 7-118
Trunk Group/Trunk Group Members 7-119
GENERIC 1 7-127
DS1 Circuit Pack Options 7-127
Network Synchronization Options — DS1 and ISDN-PRI Applications 7-133
Trunk Group/Trunk Group Members — DS1 Trunk Applications 7-135
Processor Interface Data Module — ISDN-PRI Applications 7-138
Processor Channel Assignments — ISDN-PRI Applications 7-139
Interface Links — ISDN-PRI Applications 7-140
Trunking Considerations — ISDN-PRI Applications 7-141
Network Facilities — ISDN-PRI Applications 7-143
Trunk Group — ISDN-PRI Trunk Applications 7-144
Trunk Group Usage Allocation — ISDN-PRI Applications 7-153
Usage Allocation Plan Assignment Schedule — ISDN-PRI Applications 7-155
Trunk Group Member Assignments — ISDN-PRI Trunk Applications 7-157
SID Prefix Table — ISDN-PRI Applications 7-158
ADDENDUM 1 (December 1990) to 555-025-101, Issue 4