Lucent Technologies DEFINITY User Manual

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DEFINITY®

Enterprise Communications Server Release 6 Maintenance for R6vs/si

555-230-127 Comcode 108041948 Issue 1 August 1997

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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.

Your Responsibility for Your System’s Security

Toll fraud is the un auth orized use of your telecommun icat ion s sy stem by an

unauthorized party, for example, persons other than your company’s employees, agents, subcontractors, or persons working on your company’s behalf. Note that there may be a risk of toll fraud associated with your telecommunications system and, if toll fraud occurs, it can result in substantial additional charges for your telecommunications services.

You and your system manager are responsible for the security of your system, such as programming and configuring your equipment to prevent unauthorized use. The system manager is also responsible for reading all installation, instruction, and system administration documents provided with this product in order to fully understand the features that can introduce risk of toll fraud and the steps that can be taken to reduce that risk. Lucent Technologies does not warrant that this product is immune from or will prevent unauthorize d use o f co mmon- carrier telecommunication serv ices o r facilities accessed through or connected to it. Lucent Technologies will not be responsible for any charges that result from such unauthorized use.

Lucent Technologies Fraud Intervention

If you suspect that you are being victimized by toll fraud and you need technical support or assistance, call Technical Service Center Toll Fraud Intervention Hotline at 1 800 643-2353.

Federal Communica tions Commission Stateme nt Part 15: Class B Statement. This equipment has been tested and found to

comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio-frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference wi ll n ot occu r in a par ti cul ar insta llation. If this equ ipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient the receiving television or radio antenna where this may be done safely.

• To the extent possible, relocate the receiver with respect to the telephone equipment.

• Where the telephone equipment requires ac power, plug the telephone into a different ac outlet so that the telephone equipment and receiver are on different branch circuits.

Part 68: Network Registration Number. This equipment is registered with the FCC in accordance with Part 68 of the FCC Rules. It is identified by FCC registration number AS593M-11185-MF-E.

Part 68: Answer-Supervision Signaling. Allowing this equipment to be operated in a manner that does not provide proper answer-supervision signaling is in violation of Part 68 rules. This equipment returns answer-supervision signals to the public switched network when:

• Answered by the called station

• Answered by the attendant

• Routed to a recorded announcement that can be admin istered by the CPE user

This equipment returns answer-supervision signals on all DID calls forwarded back to the public switched telephone network. Permissible exceptions are:

• A call is unanswered

• A busy tone is received

• A reorder tone is received

Trademarks

DEFINITY is a registered trademark of Lucent Technologies in the U.S. and throughout the world.

AUDIX is a registered trademark of Lucent Technologies.

Ordering Information Call: Lucent Technologies Publications Center

Voice 1 800 457-1235 International Voice 317 361-5353 Fax 1 800 457-1764 International Fax 317 361-5355

Write: Lucent Technologies Publications Center

P.O. Box 4100 Crawfo rdsville, IN 47933

Order: Docu ment No. 555-23 0-127

Comcode 108041948 Issue 1, August 1997

For additional documents, refer to the section entitled, “Related Documents” in “About This Book.”

You can be p laced o n a S tand in g Ord er list f or th is and other document s yo u may need. Standing Order will enable you to automatically receive updated versions of individual documents or document sets, billed to account information that you provide. For more information on Standing Orders, or to be put on a list to receive future issues of this document, please contact the Lucent Technologies Publications Center.

Warranty

Lucent Technologies provides a limited warranty on this product. Refer to the “Limited use Software License Agreement” card provided with your package.

European Union Decl aration of Co nformity

Lucent Technologies Business Communications Systems declares that XXX equipment specified in this document conforms to the referenced European Union (EU) Directives and Harmonized Standards listed below:

EMC Directive 89/336/EEC Low Voltage Directive 73/23/EEC

The “CE” mark affixed to the equipment means that it conforms to the above Directives.

Disclaimer

Intellectual property related to this product and registered to AT&T Corporation has been transferred to Lucent Technologies Incorporated.

Any references within this text to American Telephone and Telegraph Corporation or AT&T should be interpreted as references to Lucent Technologies Incorporated. The exception is cross references to books published prior to December 31, 1996, which retain their original AT&T titles.

Heritage

Lucent Technolo gies - f orm ed as a r es ult o f A T& T’s p lanned restructuring designs, builds, and delivers a wide range of public and private networks, communication systems and software, consumer and business telephone systems, and microelectronics components. The world-renowned Bell Laboratories is the research and development arm for the company.

Acknowledgment

This document was prepared by the Product Documentation Development group, Lucent Technologies, Denver, CO and Columbus, OH

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Contents iii About This Book xxi

■ General xxi

■ Conventions Used in This Document xxii

■ Organization xxiii

■ Safety Precautions xxiv

■ Class 1 Laser Device xxv

■ Secu rity Issu e s xxv

■ Standards Compliance xxv

■ Electromagnetic Compatibility Standards xxvi

■ Trademarks and Service Marks xxvii

■ Related Documents xxviii

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■ Federal Communications Commission Statement xxxi

1 M ai nten ance Arch ite cture 1-1

■ Maintenance Objects 1-1

■ Alarm and Error Reporting 1-2

■ Maintenance Testing 1-2

■ Protocols 1-3

■ Service C odes 1-17

■ Facility Interface Codes 1-18

■ Multimedia Interfa ce (M MI ) 1-19

2 Circuit Packs and Power 2-1

■ Circuit Packs 2-1

■ Power 2-6

3 Management Te rminals 3-1

■ General 3-1

■ Management Terminals 3-1

■ System Login Procedure 3-3

■ Switch-Based Bulletin Board 3-24

■ System Logoff Procedure 3-26

■ DEC VT220 Terminal 3-27

4 Initi a lization and Recovery 4-1

■ Reset System 1 (System Warm Start) 4-2

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■ Reset System 2 (System Cold Start

Without Translations Loading) 4-2

■ Reset System 3 (System Cold Start

With Translations Loading) 4-3

■ Reset System 4 (System Reboot) 4-4

■ Reset System 5 (System Reboot and

Run All 24-Hour Tests) 4-5

■ Reset System Interchange (High or

Critical Re liability System s On ly ) 4-7

■ Procedure for SPE-Down Mode 4-8

■ Procedure for Duplication Interface —

Processing Element Communication Down 4-11

5 Routine Maintenance Procedures 5-1

■ Suppress Alarm Origination [y] 5-1

■ Handling Control Circuit Packs 5-1

■ TN790 Processor Circuit Pack (Memory) 5-4

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■ Removing Power 5-4

■ Restoring Power 5-6

■ Troubleshooting Control Cabinet Power Units 5-9

■ Replacing Components (Release 5vs or Later) 5-10

■ System Backup 5-14

■ Software Upgrade 5-18

■ Preventive Maintenance Procedures 5-36

■ System Features 5-37

■ Troubleshooting Backplane Voltage Pro blems 5-62

■ Troubleshooting Multimedia Call Handling (MMCH) 5-62

■ Install DS1 CPE Loopback Jack (T1 Only) 5-69

6 Reliability Systems: A Maintenance Aid 6-1

■ General 6-1

■ Reliability Options 6-2

■ Duplicated Hardware 6-4

■ Dup lication C oncepts 6-8

■ System Technician Commands for

High and Critical Reliability Systems 6-13

■ Processor Complex Circuit Pack LED Strategies 6-16

■ Repair Procedures for High and C rit ical R eliability 6-18

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■ Procedure for Installing/Replacing the

Inter-Cabinet Cable 6-31

■ Blocking Standby SPE Maintenance

Activities for System Testing 6-32

7 LED Interpretation 7-1

■ General 7-1

■ Processor and Maintenance Circuit

Pack L EDs 7-1

■ Duplication Interface Circuit Pack LEDs 7-3

■ Attendant Console LEDs 7-5

■ Cabinet Power Unit LEDs 7-5

■ Power Distribution Unit LEDs 7-5

■ Control and Port Circuit Pack Status LEDs 7-5

8 Mainten ance Com mand s and

Trouble -C learing Aids 8-1

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■ busyout access-endpoint 8-1

■ busyout board 8-2

■ busyout cdr-link 8-4

■ busyout data-module 8-5

■ busyout journal-printer 8-6

■ busyout link 8-8

■ busyout mis 8-9

■ busyout modem-pool 8-10

■ busyout packet-control 8-11

■ busyout pms-link 8-13

■ busyout port 8-14

■ busyout pri-endpoint 8-15

■ busyout sp-link 8-16

■ busyout spe-standby 8-17

■ busyout station 8-19

■ busyout tdm 8-20

■ busyout tone-clock 8-21

■ busyout trunk 8-22

■ cancel hardware-group 8-23

■ change circuit-packs 8-24

■ change synchronization 8-27

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■ change system-parameters maintenance 8-28

■ clear audits 8-39

■ clear errors 8-39

■ clear interface 8-40

■ clear isdn-testcall 8-40

■ clear link 8-40

■ clear mst 8-41

■ clear pkt 8-41

■ clear port 8-41

■ copy update-file 8-41

■ disable administered-connection 8-42

■ disable mst 8-43

■ disable suspend-alm-orig 8-43

■ disable synchronization-switch 8-43

■ disable test-number 8-44

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■ display alarms 8-44

■ display cabinet 8-49

■ display communication-interface 8-51

■ display disabled-tests 8-56

■ display errors 8-57

■ display events 8-63

■ display initcauses 8-65

■ display memory-configuration 8-71

■ display port 8-73

■ display synchronization 8-74

■ display system-parameters maintenance 8-76

■ display time 8-86

■ download update-file 8-88

■ enable administered-connection 8-92

■ enable mst 8-92

■ enable suspend-alm-orig 8-93

■ enable synchronization-switch 8-94

■ enable test-number 8-94

■ format card-mem 8-94

■ get vector 8-95

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■ list configuration 8-97

■ list config software-version 8-100

■ list disabled-mos 8-104

■ list history 8-105

■ list isdn-testcall 8-107

■ list marked-ports 8-108

■ list measurements 8-109

■ list mst 8-113

■ list suspend-alm-orig 8-145

■ list testca ll s 8-146

■ mark port 8-150

■ monitor bcms 8-151

■ monitor health 8-155

■ monitor security-violatio n s 8-158

■ monitor system 8-160

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■ monitor traffic 8-165

■ monitor trunk 8-167

■ recycle carrier 8-168

■ refresh spe-standby 8-170

■ release access-endpoint 8-170

■ release board 8-171

■ release cdr-link 8-173

■ release data-module 8-174

■ release journal-printer 8-175

■ release link 8-176

■ release mis 8-177

■ release modem-pool 8-178

■ release packet-control 8-179

■ release pms-link 8-180

■ release port 8-181

■ release pri-endpoint 8-182

■ release sp-link 8-183

■ release spe-standby 8-185

■ release station 8-186

■ release tdm 8-187

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■ release tone-clock 8-188

■ release trunk 8-189

■ reset board 8-190

■ reset interface 8-191

■ reset maintenance 8-192

■ reset spe-standby 8-193

■ reset system 8-193

■ restore announcements 8-196

■ resume hardware-group 8-198

■ save announcements 8-198

■ save translation 8-201

■ set expansion-link 8-202

■ set options 8-203

■ set signaling-group 8-209

■ set synchronization 8-209

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■ set td m 8-210

■ set ti me 8-211

■ set tone-clock 8-212

■ set vector 8-212

■ status access-endpoint 8-214

■ status administered-connection 8-216

■ status attendant 8-217

■ status audits 8-218

■ status bri-port 8-226

■ status card-mem 8-233

■ status cdr-link 8-236

■ status cleared-alarm-notif 8-237

■ status conference 8-238

■ status data-module 8-274

■ status hardware-group 8-275

■ status health 8-277

■ status interface 8-279

■ status isdn-testcall 8-280

■ status journal-link 8-282

■ status link 8-283

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■ status pms-link 8-290

■ status pri-endpoint 8-291

■ status processor-channel 8-293

■ status signaling-group 8-295

■ status sp-link 8-297

■ status station 8-298

■ status synchroniz at i on 8-300

■ status system 8-301

■ status trunk 8-310

■ status tsc-administered 8-312

■ status tti 8-313

■ test access-endpoint 8-316

■ test alarms 8-317

■ test analog-testcall 8-322

■ test board 8-325

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■ test card-mem 8-327

■ test cdr-link 8-331

■ test customer-alarm 8-333

■ test data-module 8-334

■ test ds1-loop 8-336

■ test duplication-interface 8-338

■ test eda-external-device-alrm 8-340

■ test environment 8-343

■ test hardware-group 8-346

■ test inads-link 8-352

■ test interface 8-354

■ test isdn-testcall 8-355

■ test journal-printer 8-357

■ test led 8-359

■ test link 8-361

■ test maintenance 8-362

■ test memory 8-365

■ test modem-pool 8-366

■ test network-control 8-369

■ test packet-control 8-372

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■ test pkt 8-373

■ test pms-link 8-375

■ test port 8-378

■ test pri-endpoint 8-379

■ test processor 8-382

■ test shadow-lin k 8-383

■ test signaling-group 8-386

■ test sp-link 8-387

■ test spe-standby 8-389

■ test station 8-391

■ test synchroniz ation 8-393

■ test tdm 8-396

■ test tone-clock 8-397

■ test trunk 8-399

■ test tsc-admini stere d 8-401

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■ upgrade software 8-403

9 Packet Bus Fault Isolation and Correction 9-1

■ General 9-1

■ Remote Maintenance versus On-Site Maintenance 9-2

■ Tools for Packet Bus Fault Isolation and Correction 9-3

■ Packe t Bus 9-3

■ Circuit Packs That Use the Packet Bu s 9-5

■ Maintenance of the Packet Bus 9-7

■ The Maintenance/Test Circuit Pack (TN771D) 9-10

■ Packet Bus Fault Isolation Flowchart 9-19

■ Packe t Bus Fault Cor r e ction 9-24

10 Maintenance Object Repair Procedures 10-1

■ Escalation Procedures 10-1

■ Cabling Precautions 10-1

■ 12V-PWR (12 Volt Power Supply) 10-3

■ ABRI-PORT (ASAI ISDN-BRI Port) 10-6

■ AC-POWER 10-7

■ ADM-CONN (Administered Connection) 10-15

■ ADX8D-BD (AUDIX Circuit Pack) 10-19

■ ADX8D-PT (AUDIX Digital Port) 10-20

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■ ADX16D-B (16 Port AUDIX Circ u i t P a c k) 10-27

■ ADX16A-BD (AUDIX Circuit Pack) 10-28

■ ADX16D-P (16-Port AUDIX Digital Port) 10-29

■ ADX16A-PT (AUDIX Analog Line/Control Link) 10-36

■ ALARM-PT (ALARM P O R T ) 10-43

■ ANL-16-L (16-Port Neon Analog Line) 10-44

■ ANL-BD (Analog Line Circuit Pack) 10-63

■ ANL-LINE (8-Port Analog Line),

ANL-NE-L (8-Port Neon Analog Line) 10-64

■ ANN-BD (Announcement Circuit Pack) 10-84

■ ANN-PT (Announcement Port) 10-105

■ ANNOUNCE (Announce) 10-119

■ ASAI -BD (Multi -Applicat ion Pl atfo rm Board) 10-124

■ ASAI-EPT 10-126

■ ASAI-PT 10-134

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■ ASAI-RES/E-DIG-RES (TN800 reserve slot) 10-144

■ BRI-BD/LGATE-BD (ISDN-BRI Line Circuit Pack) 10-145

■ BRI-DAT (ISDN-BRI) 10-153

■ BRI-PORT (ISDN-BRI Port),

ABRI-PORT (ASAI ISDN-BRI Port) 10-154

■ BRI-SET, ASAI-ADJ, BRI-DAT 10-178

■ CABINET (Cabinet Sensors) 10-209

■ CAP-MEM (Memory Card Capacity) 10-223

■ CARD-MEM (Memory Card) 10-226

■ CARR-POW (Carrier Port Power Unit)

for AC-Powered Systems 10-245

■ CARR-POW (Carrier Port Power Unit)

for DC-Powered Systems 10-262

■ CLSFY-BD (Call C lassifier Circuit Pack) 10-277

■ CLSFY-PT (Call Classifier Port) 10-278

■ CO-BD (Central Office Trunk Circuit Pack) 10-283

■ CO-DS1 (DS1 CO Trunk) 10-284

■ CO-TRK (CO Trunk) 10-301

■ CONFIG (System Configuration) 10-328

■ CUST-ALM (Customer-Provided Alarming Device) 10-340

■ DATA-BD (Network Control Circuit Pack) 10-343

■ DATA-CHL (Network Control Data Channel) 10-348

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■ DATA-CON (Network Control Driver) 10-377

■ DAT-LINE (Data Line) 10-379

■ DC-POWER 10-387

■ DETR-BD 10-391

■ DID-BD (Direct Inward Dial Trunk Circuit Pack) 10-392

■ DID-DS1 (DS1 DID Trunk) 10-393

■ DID-TRK (DID Trunk) 10-405

■ DIG-BD (Digital Line Circuit Pack) 10-422

■ DIG-LINE (Digital Line) 10-423

■ DIOD-DS1 (DS1 DIOD Trunk) 10-450

■ DIOD-TRK (DIOD Trunk), DIOD-BD

(DIOD Circuit Pack) [G1.2SE] 10-462

■ DIOD-TRK (DIOD Trunk) [G1.2SE] 10-463

■ DLY-MTCE (MO-DAILY) 10-474

■ DS1-BD (DS1 Interface Circuit Pack) 10-475

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■ DT-LN-BD (Data Line Circuit Pack) 10-547

■ DTMR-PT [Dual Tone Multifrequency Port (TTR)] 10-548

■ DUPINT (Duplication Interface Circuit Pack) 10-553

■ E-DIG-BD (Multi Application Platform Board) 10-570

■ E-DIG-RES (TN800 reserve slot) 10-572

■ E-DIG-STA (Emulated Digital Line) 10-573

■ EMG-XFER 10-583

■ EPN-SNTY (EPN Sanity Audit) 10-587

■ ERR-LOG (Error Log) 10-590

■ ETR-PT (Enhanced Tone Receiver Port) 10-592

■ EXP-INTF (Expansion Interface Circuit Pack) 10-598

■ EXP-LINK (Expansion Interface Link) 10-647

■ EXT-DEV ADMIN? N (External Device Alarm) 10-649

■ EXT-DEV ADMIN? Y (External Device Alarm) 10-653

■ FL-DATA (Flash Data Consistency) 10-657

■ GPTD-PT [General Purpose Tone

Detector Port (CPTR)] 10-672

■ HYB-BD (Hybrid Line Circuit Pack) 10-673

■ HYB-LINE (Hybrid Line) 10-674

■ INADS (INADS L ink ) 10-699

■ ISDN-LNK (ISDN-PRI Signaling Link Port) 10-702

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■ ISDN-PLK (ISDN-PRI Signaling Link Port) 10-709

■ ISDN-SGR (ISDN-PRI Signaling Group) 10-718

■ ISDN-TRK (DS1 ISDN Trunk) 10-745

■ LOG-SVN (Login Security Violation) 10-772

■ JNL-PRNT (Journal Printer Link) 10-775

■ LGATE-AJ 10-776

■ LGATE-BD 10-776

■ LGATE-PT 10-776

■ MAINT (EPN Maintenance Circuit Pack) 10-777

■ MEM-BD (Memory) 10-795

■ MEMORY 10-801

■ MET-BD (MET Line Circuit Pack) 10-802

■ MET-LINE (MET Line) 10-803

■ MIS (Management Information System) 10-827

■ MODEM-BD (Modem Pool Circuit Pack) 10-828

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■ MODEM-PT (Modem Pool Port) 10-829

■ MMI-BD 10-845

■ MMI-LEV (Multimedia Interface Resource Level) 10-854

■ MMI-PT 10-857

■ MMI-SYNC 10-863

■ M/T-ANL (Maintenance/Test Analog Port) 10-865

■ M/T-BD (Maintenance/Test Circuit Pack) 10-875

■ M/T-DIG (Maintenance/Test Digital

Port) [G3iV1-1.286, G3iV2-386] 10-876

■ M/T-PKT (Maintenance/Test Packet Bus Port) 10-889

■ OPS-LINE (DS1 OPS Line) 10-894

■ PDMODULE, TDMODULE (Data Module) 10-907

■ PE-BCHL (PRI Endpoint Port) 10-927

■ PI-BD (Processor Interface Circuit Pack) 10-946

■ PI-LINK (Processor Interface Link) 10-953

■ PI-PT (Processor Interface Port) 10-969

■ PI-SCI (System Communication Interface) 10-974

■ PKT- BU S (Packet Bus) 10-982

■ PKT-CTRL (Packet Control Circuit Pack) 10-993

■ PMS-LINK (Property Management System Link) 10-1008

■ PMS-PRNT/JNL-PRNT (PMS Printer Link) 10-1016

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■ POWER (Battery & Battery Charger)

for AC-Powered Systems 10-1022

■ POWER (Battery & Battery Charger

for DC-Powered Systems 10-1031

■ PR-MAINT (Maintenance Process or

[TN790 RISC Systems]) 10-1035

■ PR-MAINT (Maintenance Process or) 10-1050

■ PR-MEM (TN790 RISC Memory) 10-1062

■ PRI-CDR/SEC-CDR (PRI-CDR Link) 10-1071

■ PROC-SAN (Process Sanity Audits) 10-1078

■ PROCR (Processor Circuit Pack) 10-1079

■ PROCR (TN790 RISC Processor Circuit Pack) 10-1086

■ RING-GEN (Analog Ring Generator) 10-1094

■ S-SYN-BD (Speech Synthesis Circuit Pack) 10-1103

■ S-SYN-PT (Speech Synthesis Port) 10-1104

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■ SEC-CDR (SEC-CDR Link Maintenance) 10-1117

■ SHDW-CIR (Common Shadow Circuit) 10-1118

■ SHDW-LNK (Memory Shadowing Link) 10-1125

■ SPE-SELEC (SPE Select Switch) 10-1143

■ STBY-SPE (Standby SPE) 10-1147

■ STRAT-3 (Stratum 3 Clock)] 10-1184

■ SVC-SLOT (Service Slot) 10-1196

■ SW-CTL (Switch Control) 10-1198

■ SYNC (Synchronization) 10-1212

■ SYS-PRNT (System Printer) 10-1224

■ SYSTEM (System) 10-1230

■ TAPE (Tape Unit) [G3iV1.1-286] 10-1232

■ TAPE-DAT (Tape Consistency) 10-1262

■ TBRI-BD (TN2185

ISDN Trunk-Side BRI) 10-1273

■ TBRI-PT (TN2185

ISDN Trunk-Side BRI Port) 10-1281

■ TBRI-TRK (TN2185

ISDN Trunk-Side BRI) 10-1301

■ TDMODULE (Trunk Data Module) 10-1311

■ TDM- BUS (TDM Bus) 10-1312

■ TDM-CLK (TDM Bus Clock) 10-1333

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■ TIE-BD (Ti e Tr unk Circuit Pack) 10-1347

■ TIE-DS1 (DS1 Tie Trunk) 10-1348

■ TIE-TRK (Tie Trunk) 10-1366

■ TONE-BD (Tone-Clock Circuit Pack) 10-1391

■ TONE-PT (Tone Generator) 10-1411

■ TSC-ADM (Administered Temporary

Signaling Connections) 10-1422

■ TTR-LEV (TTR Level) 10-1428

■ UDS1-BD (UDS1 Interface Circuit Pack) 10-1433

■ VC-BD 10-1523

■ VC-DSPPT 10-1527

■ VC-LEV (Voice Conditioner

DSP Port Level) 10-1536

■ VC-SUMPT 10-1539

■ WAE-PORT (Wideband Access Endpoint Port) 10-1544

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■ XXX-BD (Common Port Circuit Pack) 10-1551

A Error Messages A-1

■ Error Messages from Chapter 8,

Maintenance Commands A-1

■ busyout access-endpoint A-1

■ busyout board A-2

■ busyout cdr-link A-3

■ busyout data-module A-4

■ busyout journal-printer A-5

■ busyout link A-5

■ busyout mis A-6

■ busyout modem-pool A-7

■ busyout packet-control A-8

■ busyout pms-link A-8

■ busyout port A-9

■ busyout pri-endpoint A-10

■ busyout sp-link A-11

■ busyout spe-standby A-11

■ busyout station A-12

■ busyout tdm A-13

■ busyout tone-clock A-13

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■ busyout trunk A-15

■ cancel hardware-group A-16

■ change circuit-packs A-16

■ change synchronization A-17

■ clear audits A-17

■ clear errors A-17

■ clear interface A-18

■ clear isdn-testcall A-19

■ clear link A-20

■ clear mst A-21

■ clear pkt A-21

■ clear port A-22

■ copy update-file A-22

■ disable administered-connection A-23

■ disable mst A-24

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■ disable suspend-alm-orig A-24

■ disable synchronization-switch A-25

■ disable test-number A-25

■ display alarms A-26

■ display disabled-tests A-28

■ display errors A-28

■ display events A-33

■ display initcauses A-33

■ display memory-configuration A-33

■ display port A-34

■ display synchronization A-34

■ display system-parameters maintenance A-35

■ display time A-35

■ download update-file A-35

■ enable administered-connection A-38

■ enable mst A-39

■ enable suspend-alm-orig A-39

■ enable synchronization-switch A-40

■ enable test-number A-40

■ format card-mem A-41

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■ get vector A-41

■ list disabled-mos A-42

■ list history A-42

■ list isdn-testcall A-43

■ list marked-ports A-43

■ list measurements A-44

■ list mst A-44

■ list suspend-alm-orig A-45

■ list test ca ll s A-45

■ mark port A-46

■ monitor bcms A-47

■ monitor health A-47

■ monitor system A-48

■ monitor tra ffic A-49

■ monitor trunk A-49

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Page xvii

■ recycle carrier A-50

■ refresh spe-standby A-51

■ release access-endpoint A-51

■ release board A-52

■ release cdr-link A-53

■ release data-module A-54

■ release journal-printer A-55

■ release link A-55

■ release mis A-56

■ release modem-pool A-57

■ release packet-control A-58

■ release pms-link A-58

■ release port A-59

■ release pri-endpoint A-60

■ release sp-link A-61

■ release spe-standby A-62

■ release station A-62

■ release tdm A-63

■ release tone-clock A-64

■ release trunk A-65

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Contents

■ reset board A-66

■ reset interface A-67

■ reset maintenance A-69

■ reset spe-standby A-70

■ reset system A-70

■ restore announcements A-71

■ resume hardware-group A-72

■ save announcements A-73

■ save translation A-74

■ set expansion-link A-75

■ set options A-76

■ set signaling-group A-78

■ set synchronization A-78

■ set td m A-79

■ set tim e A-80

Issue 1

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Page xviii

■ set tone-clock A-81

■ set vector A-83

■ status access-endpoint A-84

■ status administered-connection A-85

■ status attendant A-86

■ status audits A-86

■ status bri-port A-87

■ status card-mem A-88

■ status cdr-link A-89

■ status cleared-alarm-notif A-89

■ status conference A-89

■ status data-module A-89

■ status hardware-group A-90

■ status health A-91

■ status interface A-91

■ status isdn-testcall A-92

■ status journal-link A-93

■ status link A-94

■ status logins A-94

■ status mst A-95

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Contents

■ status packet-control A-95

■ Ostatus periodic-scheduled A-96

■ status pms-link A-96

■ status pri-endpoint A-97

■ status processor-channel A-97

■ status signaling-group A-98

■ status sp-link A-99

■ status station A-99

■ status synchronization A-100

■ status system A-100

■ status trunk A-101

■ status tsc-administered A-102

■ status tti A-103

■ test access-endpoint A-103

■ test alarms A-104

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Page xix

■ test analog-testcall A-108

■ test board A-110

■ test card-mem A-111

■ test cdr-link A-112

■ test customer-alarm A-113

■ test data-module A-113

■ te s t ds1- l oop A-114

■ test duplication-interface A-116

■ test eda-external-device-alrm A-117

■ test environment A-117

■ test hardware-group A-117

■ test inads-link A-120

■ test interface A-120

■ test isdn-testcall A-122

■ test journal-printer A-123

■ test led A-124

■ test link A-124

■ test maintenance A-125

■ test me mory A- 126

■ test modem-pool A-128

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Contents

■ test network-control A-129

■ test packet-control A-131

■ test pkt A-131

■ test pms-link A-132

■ test port A-133

■ test pri-endpoint A-134

■ te s t proc essor A-135

■ test shadow-li nk A-136

■ test signaling-group A-137

■ test sp-link A-138

■ test spe-standby A-138

■ test statio n A-139

■ test synchroniz at i on A-140

■ test tdm A-141

■ test tone-clock A-142

Issue 1

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■ test trunk A-143

■ test tsc-admini ste re d A-144

■ upgrade software A-145

IN Index IN-1

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About This Book

General

Issue 1

August 1997

Page xxiGeneral

This book has the information needed to monitor, test, and maintain DEFINITY

Enterprise Communications Server Release 6 Systems and covers many of the faults and troubles that can occur in the system. Most maintenance requirements are simple procedures due to the modular, self-testing nature of the system.

This document covers information related to DEFINITY ECS Release 6.1, including all incremental releases.

Simple, traditional troubleshooting methods are sometime s sufficient to locate and clear faults. The traditional methods include terminal substitution, visual inspections, continuity checks, and clarification of operating procedures with users.

The information in this book is intended for use by:

■ A maintenance tec hnician dispa tched to a DEFINITY System site in

response to a trouble alarm or a user trouble report,

■ A maintenance technician located at a remote maintenance facility, or

■ The user’s assigned mainte nance te chnician. The technician is expected

to have a knowledge of telecommunications fundamentals and of the DEFINITY

Enterprise Communications Server Release 5 Systems to the extent that the procedures in this book can be performed, in most cases, without assistance.

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Each DEFINITY System has a user-designated System Manager who is responsible for administration of the system. The maintenance technician should

work closely with the user’s System Manager. This book is not intended to solve all levels of troubles. It is limited to troubles that

can be solved by using the Alarm Log, Error Log, trouble-clearing procedures, maintenance tests, and traditional troubleshooting methods. If the trouble still has not been resolved, it the responsibility of the maintenance technician to escalate the problem to a higher level of technical support. Escalation should conform to the procedures in the

Technical and Administration Escalation Plan

When features, screen displays, equipment, or operations differ between system types, for example, Generic 3 V4, Release 5si, or Release 5si + memory, these differences are clearly identified by use of the following indicators: “[G3V4]”, “[R5si]”, or “[R5 si + mem ory ].”

Conven tions Used in Th is Document

The following conventions are used in this document:

Issue 1

August 1997

Page xxiiConventi ons Used in This Document

■ DEFINITY Systems are called G3V4, Release 5; Release 5vs, Release 5si,

Release 5si + memory, and Release 6.

■ All occu rrences of G3siV 4, G3siV4+ m, Releas e 5si, and Releas e 5 si +

memory are called Release 5si unless a specific configuration is required to differentiate among product offerings.

■ All occurrences of R5 without a suffix following the “5” refer to Release 5si,

and Release 5si + memory.

■ A component of a DEFINITY System, such as a circuit pack, occurring

without a reference to any specific system, is part of G3V4 or Release 5.

■ The term “ASAI” is synonymous with the newer CallVisor ASAI.

■ All physical dimension s in this book are in English (Foot Pound Second)

(FPS) followed by the metric Centimeter Grams Second (CGS) in parenthesis. Wire gauge measuremen ts are in AWG followed by the diameter in millimeters in par en t he s is .

■ Adm oni shmen ts used in this book are as follows:

CAUTION:

This sign is used to indicate possible harm to software, possible loss of data, or possible service interuptions.

WARNING:

This sign is used where there is possible harm to hardware or equipment.

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DANGER:

This sign is used to indicate possible harm or injury to people.

Organization

This book is organized into two volumes: volume 1 contains Chapters 1 through 9, and volume 2 contains Chapter 10.

■ Chapter 1, ‘‘Maintenance Architecture’’ describes the system’s design

and maintenance strategy.

■ Chapter 2, ‘‘Circuit Packs and Power’’ describes DEFINITY circuit

packs. It also explains how power is supplied to the system.

■ Chapter 3, ‘‘Man a gement Terminals’’ describes the various

management terminals that can be used on the system and how to set up the terminals.

■ Chapter 4, ‘‘Initialization and Recovery’’ describes the various reset

and reboot processes, and discusses how these processes are used to perform maintenance and to recover systems or subsystems that are out of service.

Issue 1

August 1997

Page xxiiiOrganization

■ Chapter 5, ‘‘Rout i ne Maintena nce P r ocedures’’ discusses common

maintenance tasks, including: removing and installing circuit packs, removing and restoring power, performing syst em backups, upgrading software, and various testing and troubleshooting procedures.

■ Chapter 6, ‘‘Reliability Systems: A Maintenance Aid’’ prov id es de ta il e d

hardware and functional descriptions as well as additional repair strategy (in addition to the procedures provided in this document) for Standard, High, and Critical Reliability systems.

■ Chapter 7, ‘‘LED Interpretation’’ is a quick reference to interpreting

circuit pack LEDs.

■ Chapter 8, ‘‘Mai nt enance Comm a nd s and Trouble-Clearing Aids’’ has

the maintenance commands, and explains how to use these commands using the management terminal. Specific command syntax plus typical forms and display output are also given in the chapter.

■ Chapter 9, ‘‘Packet Bus Fault Isolation and Correction’’ describes

Pack Bus maintenance and the interactions of the bus with Packet circuit packs. The chapter also discusses how Packet Bus faults are isolated and corrected.

■ Chapter 10, ‘‘Maintenan ce Object Repair Proce dures’’ has specific

troubleshooting and repair instructions for every component in the system. The chapter contains repair procedures for system-alarmed and userreported troubles. For each MO, a table lists the alarm level, hardware error associated with the MO, and the associated test that caused the error. The test sequences and the specific command line entry required to

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run the tests are given and a brief description of each test. Explanations of error codes associated with each test are given, as are specific maintenance procedures to be used to resolve each problem.

Issue 1

August 1997

Page xxivSafety Precautions

Each MO is described in a separate section of Chapter 10, ‘‘

Repair Procedures’’. The individual sections are labeled with the name of the MO

exactly as the name appears in the Alarm Log; for example, MAINT (for Maintenance circuit pack). The only exception is the MO name for Common Port Circuit Pack maintenance which is XXX-BD. The XXX-BD section contains a set of common tests used by certain circuit packs listed in the section. The common portion of these circuit packs is the generic hardware that interfaces with the Time Division Multiplex (TDM) Bus.

Lucent Technologies listens carefully to its readers. The organization of this book is a direct result of user feedback. Your feedback is important. Use the feedback form at the back of this book to send your comments to Lucent Technologies.

Safety Precautions

When performing maintenance or translation procedures on the system, users must observe certain precautions. Observe all caution, warning, and danger statements to prevent loss of service, possible equipment damage, and possible personal injury. In addition, the following precautions regarding electromagnetic interference (EMI) and static electricity must be observed:

Electromagnetic Interfer ence

Maintenance Object

This equipment generates, uses, and can radiate radio frequency energy. Electromagnetic fields radiating from the switch may cause noise in the customer’s equipment. If the equipment is not installed and used in accordance with the instruction book, radio interference may result.

WARNING:

To maintain the EMI integrity of the system, maintenance personnel must ensure that all cabinet panels, covers, and so forth, are firmly secured

before leaving the customer’s premises.

Static Electricity

To prevent or reduce electrostatic discharge (ESD), always attach wrist grounding straps before working on switch components or handling circuit packs.

CAUTION:

Electrostatic discharge can damage or destroy circuit packs containing integrated circuits (ICs).

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The ESD wrist strap, cable assembly, and spare fuses are packed in a plastic bag and placed in the top of the system cabinet. Use the ESD wrist strap when troubleshooting, performing maintenance, or handling any circuit packs associated with the system.

Class 1 Laser Device

The DEFINITY ECS contains a Class 1 Laser device if single-mode fiber optic cable is connected to a remote Expansion Port Network (EPN). The LASER device operates within the following parameters:

Power Output: -5 dBm Wavelength: 1310 nm Mode Field Diameter: 8.8 microns

DANGER:

Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure.

Issue 1

August 1997

Page xxvClass 1 Laser Device

Contact your Lucent Technolgies representative for more information.

Security Issues

A number of matters concerning maintenance are affected by security issues. For details, be sure to consult the 555-025-600.

CAUTION:

Standards Compliance

The equipment presented in this document complies with the following (as appropriate):

■ ITU-T (Formerly CCITT)

■ ECMA

■ ETSI

■ IPNS

GBCS Products Security Handbook, Release 6,

■ DPNSS

■ National ISDN-1

■ National ISDN-2

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About This Book

■ ISO-9000

■ ANSI

■ FCC Part 15 and Part 68

■ E N55022

■ EN 50081

■ EN 50082

■ CISPR22

■ Australia AS3548 (AS/NZ35 48)

■ Australia AS3260

■ IEC 825

■ IEC950

■ UL 1459

■ UL19 50

Issue 1

August 1997

Page xxviElectr omagnetic Compatibility Sta ndards

■ CSA C222 Numbe r 225

■ TS001

Electromagnetic Compatibility Standards

This product complies with and conforms to the following:

■ Limits and Me thods of Measuremen ts of Radio Interference

Characteristics of Information Technology Equipment, EN55022 (CISPR22), 1993

■ EN 50082-1, Europ ean Generi c Immun ity Stand ard

■ FCC Parts 15 and 68

■ Australia AS3548

NOTE:

The system conforms to Class A (industrial) equipment. Voice terminals meet Class B requirements.

■ Electrostatic Discharge (ESD) IEC 1000-4-2

■ Radiate d radio frequency field IEC 1000-4-3

■ Electrical Fast Transient IEC 1000-4-4

■ Lightning effects IEC 1000-4-5

■ Conducted radio frequency IEC 1000-4-6

■ Mains frequency ma gnetic field IEC 1000-4-8

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About This Book

■ Low frequen cy mains disturbance

The system conforms to the following:

■ Elect romagnetic compatibility General Immunity Standard, part 1;

residential, commercial, light industry, EN50082-1, CENELEC, 1991

■ Issue 1 (1984) and Issue 2 (1992), Electrostatic discharge immunity

requirements (EN55024, Part 2) IEC 1000-4-2

■ Radiate d radio frequency field immunity requirements IEC 1000-4-3

■ Electrical fast transient/burst immunity requirements IEC 1000-4-4

European Union Standards

Lucent Technologies Business Communica tions Systems declares that the

DEFINITY equipment specified in this document bearing the “CE” mark conforms to the European Union Electromagnetic Compatibility Directives.

The “CE” (Conformité Europeénne) mark indicates conformance to the European Union Electromagnetic Compatibility Directive (89/336/EEC) Low Voltage Directive (73/23/EEC) and Telecommunication Terminal Equipment (TTE) Directive (91/263/EEC) and with i-CTR3 Basic Rate Interface (BRI) and i-CTR4 Primary Rate Interface (PRI) as applicable.

Issue 1

August 1997

Page xxviiTrademarks and Service Marks

The “CE” mark is applied to the following Release 5 products:

■ Global AC powered Multi-Carrier Cabinet (MCC)

■ DC powered Multi-Carrier Cabinet (MCC) with 25-Hz ring generator

■ AC powered Single-Carrier Cabinet (SCC) with 25-Hz ring generator

■ AC powered Compact Single-Carrier Cabinet (CSCC) with 25-Hz ring

generator

■ Enhanced DC Power System

Trademar ks a nd Se rvice Marks

The following are trademarks or registered trademarks of Lucent Technologies:

■ 5ESS ™, 4ESS™

■ AUDIX

■ Callvisor

■ Callmaster

■ CentreVu ™

■ CONVERSANT

■ DEFINITY

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Issue 1

August 1997

Page xxviiiRelated Documents

■ DIMENSION

■ MERLIN

■ VOICE POWER

The following are trademarks or registered trademarks of AT&T:

■ ACCUNET

■ DATAPHO NE

■ MEGACOM

■ MULTI QUE ST

■ TELES EE R

The following are trademarks or registered trademarks of other companies:

■ Ascend

■ Audichron

■ MS-DOS

■ MicroCha nnel

■ MU LTIQUEST

■ PagePac

■ UNIX

(registered trademark of Ascend, Inc.)

(registered trademark of the Audichron Company)

(registered trademark of the Microsoft Corporation)

(registered trademark of IBM Systems)

(registered trademark of Telecommunications Service)

(trademark of the Dracon Division of the Harris Corporation)

(trademark of the Novell Corporation)

Federal Comm unications Commissi on Statement

Part 68: Statement

■ Answered by the called station

■ Answ ered by the attendant

■ Routed to a recorded announcement that can be administered by the CPE

user

This equipment returns answer-supervision signals on all DID calls forwarded back to the public switched telephone network. Permissible exceptions are:

, 555-232-108

, 555-025-201

■ A call is unanswered

■ A busy tone is received

■ A reorder tone is received

This equipment is capable of providing users access to interstate providers of operator services through the use of access codes. Modification of this equipment by call aggregators to block access dialing codes is a violation of the Telephone Operator Consumers Act of 1990.

This equipment complies with Part 68 of the FCC Rules. On the rear of this equipment is a label that contains, among other information, the FCC registration number and ringer equivalence number (REN) for this equipment. If requested, this information must be provided to the telephone company.

The REN is used to determine the quantity of devices which may be connected to the telephone line. Excessive RENs on the telephone line may result in devices not ringing in response to an incoming call. In most, but not all areas, the sum of RENs should not exceed 5.0. To be certain of the number of devices that may be connected to a line, as determined by the total RENs, contact the local telephone company.

NOTE:

REN is not required for some types of analog or digital facilities.

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Means of Connection

Connection of this equipment to the telephone network is shown in the following table.

Issue 1

August 1997

Page xxxiiFederal Communications Commission Statement

Manufa cturer ’s Port

Identifier FIC Code

Off/On Premises St ation OL13C 9.0F RJ2GX, RJ21X,

DID Trunk 02RV2-T 0.0B RJ2GX, RJ21X CO Trunk 02GS2 0.3A RJ21X CO Trunk 02LS2 0.3A RJ21X Tie Trunk TL31M 9.0F RJ2GX

1.544 Digital Interf ace 04DU9-B,C 6.0P RJ48C, RJ48M

1.544 Digital Interf ace 04DU9-BN,KN 6.0P RJ48C, RJ48M 120A2 Channel Service Unit 04DU9-DN 6.0P RJ48C

SOC/REN/

A.S. Code Network Jacks

RJ11C

If the terminal equipment (DEFINITY® System) causes harm to the telephone network, the telephone company will notify you in advance that temporary discontinuance of service may be required. But if advance notice is not practical, the telephone company will not if y the cus tomer as soon as poss ibl e. Also, you will be advised of your right to file a complaint with the FCC if you believe it is necessary.

The telephone company may make changes in its facilities, equipment, operations or procedures that could affect the operation of the equipment. If this happens, the telephone company will provide advance notice in order for you to make necessary modifications to maintain uninterrupted service.

If trouble is experienced with this equipment, for repair or warranty information, please contact the Technical Service Center at 1-800-248-1234. If the equipment is causing harm to the telephone network, the telephone company ma y request that you disconnect the equipment until the problem is resolved.

It is recommended that repairs be performed by Lucent Technologies certified technicians.

The equipment cannot be used on public coin phone service provided by the telephone company. Connection to party line service is subject to state tariffs. Contact the state public utility commission, public service commission or corporation commission for information.

This equipment, if it uses a telephone receiver, is hearing aid compatible.

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Maintenance Architecture

The maintenance subsystem is a part of the software that initializes and maintains the system. The software continuously monitors system health, and keeps a record of errors detected in the system. The maintenance subsystem also provides a user interface for on-demand testing.

555-230-127

Issue 1

August 1997

Page 1-1Maintenan ce O bjects

This chapter provides a brief description of the Release 5 maintenance strategy and the bac kground information on the system’s overall functions. For detailed

descriptions of components and subsystems, refer to related topics in Chapter

10, ‘‘Maintenance Object Repair Procedures’’.

Maintenance Objects

The system is partitioned into separate entities called Maintenance Objects (MOs). Each MO is referred to by an upper-case, mnemonic-like name that serves as an abbreviation for the MO. For example, “CO-TRK” stands for “Central Office TRunK”. Each MO is monitored by the system and has its own maintenance strategy. Most MOs are individual circuit packs. Som e MOs are hardware components that reside on part of a circuit pack. For example, the TDM bus Clock circuits reside on the Tone/Clock circuit pack. Other MOs, such as cabinet environmental sensors, represent larger subsystems or sets of monitors. Finally, some MOs, such as SYNChronization, represent processes or a combination of processes and hardware.

“Maintenance names” are recorded in the error and alarm logs. Individual copies of an MO are assigned an address that defines the MO’s physical location in the system. These locations disp lay a s the “PORT” fiel d in the alarm and err or lo gs and as output of various commands such as test board, busy tdm-bus, and so forth.

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Alarm and Error Reporting

During normal operations, software or firmware may detect error conditions relevant to specific MOs. The system attempts to fix or circumvent these problems automatically. However, if a hardware component incurs too many errors, an alarm is raised. Errors are detected in two ways:

■ For “in-line” errors, firmware on the component det ects the

occurrence of an error during ongoing operations.

■ For other types of errors, a “periodic test” or a “scheduled test”

started by the software detects the error. The technician can run these tests on demand by using the maintenance comman ds described in Chapter 8, ‘‘

‘‘Maintenance Object Repair Proced ures ’’.

Software puts the error in the error log, and increments the error counter for that error. When an error counter is “active,” (greater than zero), there is a maintenance record for the MO.

busyout journal-printer’’, and Chapter 10,

Issue 1

August 1997

Page 1-2Alarm and Error Reporting

Alarms are classified as MAJOR, MINOR, or WARNING, depending on the effect on system operation. They are also classified as ON-BOARD or OFF-BOA R D.

— MAJOR alarms identify failures that cause a critical degradation of

service. These alarms require immediate attention.

— MINOR alarms identify failures that cause some service degradation but

that do not render a crucial portion of the system inoperable. MINOR alarms require attention. However, typically a MINOR alarm affects only a few trunks or stations or a single feature.

— WARNING alarms identify failures that cause no significant degradation of

service or equipment failures external to the switch. These failures are not reported to INADS or to the attendant console.

— ON-BOARD problems originate in the circuitry on the alarmed circuit

pack.

— OFF-BOARD problems originate in a process or component that is

external to the circuit pack.

Alarms are discussed further in Chapter 10, ‘‘

Procedures’’.

Maintenance Testing

Maintenance Ob ject Repair

Most troubles are reduced to the circuit pack level and can be identified by LEDs on the circuit packs and software reports generated by the system. The maintenance tests in the system are divided into three groups:

■ Periodic

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Background tests are performed by software maintenance, usually on an hourly basis. These tests are nondestructive and can be run during high traffic periods without interfering with calls.

■ Scheduled

Background tests performed by software maintenanc e, usually on a daily basis, are generally more thorough than periodic testing. The tests are considered destructive and are run only during off-hours so as not to interfere with calls.

■ Fixed interval

Background tests performed by software maintenance at regular time intervals (these intervals cannot be administered). These tests run concurrently with periodic maintenance. The following table lists the MOs that run fixed interval testing.

Maintenance Object

Issue 1

August 1997

Page 1-3Protocols

Interval

(minutes)

Demand tests are also run by the system when it detects a need or by maintenance personnel in trouble-clearing activities. Demand tests include periodic tests plus other tests required only when trouble occurs. Some nonperiodic demand tests may disrupt system operation. In this book, destructive (service-disrupting) tests are identified in boldface type.

Maintenance personnel can use the management terminal to initiate the same tests that the system initiates. The terminal screen displays the test results.

Protocols

This section describes the protocols handled by the system and the points where these protocols change. Figure 1-1 transmission state changes. Figure 1-1 equipment, like a terminal or host, through DCE equipment, like a modem or data module, into a communications port on the system. The data flow is shown by solid lines. Below these lines are the protocols used at particular points in the data strea m.

POWER 60

SPE-SELEC 60

STBY-SPE 120

TDM-BUS 10

TONE-PT 10

is a pictorial guide through data-

illustrat es the flo w of dat a fro m DT E

Not shown in the Figure 1-1

is the treatment of D-channels in ISDN-PRI and

ISDN-BRI transmissions. PRI and BRI D-channels transport information elements

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that contain call-signaling and caller information. These elements conform to ISDN level-3 protocol. In the case of BRI, the elements are created by the terminal or data module; for the PRI, the elements are created by the system, which inserts them into the D-channel at the DS1 port.

For ISDN transmissions, therefore, BRI terminals and data modules, and DS1 ports insert, interpret, and strip both layer-2 DCE information and layer-3 elements. Also, the DS1 port passes layer-3 elements to the system for processing.

Layers

The Open System Interconnect (OSI) model for data communi cations cont ains seven layers, each with a specific function. Communications to and through the system concern themselves only with layers 1 and 2 of the model.

Issue 1

August 1997

Page 1-4Protocols

Layer 1, or the

physical layer,

covers the physical interface between devices and the rules by which bits are passed. Among the physical layer protocols are RS-232, RS-449, X.21, DCP, DS1, and others.

Layer 2, or the

data-link layer

, refers to code created and interpreted by the DCE. The originating equipment can send blocks of data with the necessary codes for synchronization, error control, or flow control. With these codes, the destination equipment checks the physical-link reliability, corrects any transmission errors, and maintains the link. When a transmission reaches the destination equipment, it strips any layer-2 information the originating equipment may have inserted. The destination equipment only passes to the destination DTE equipment the information sent by the originating DTE equipment. The originating DTE equipment can also add layer-2 code to be analyzed by the destination DTE equipment. The DCE equipment treats this layer as data and passes it along to the destination DTE equipment as it would any other binary bits.

Layers 3 to 7 (and the DTE-created layer 2) are embedded in the transmission stream and are meaningful only at the destination DTE equipment. Therefore,

they are shown in the figure as ‘‘user-defined,’’ with no state changes until the transmission stream reaches its destination.

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Issue 1

August 1997

Page 1-5Protocols

ORIGINATING

DCE

DTE

RS232C

2 DMIASCII ASCII

3-7

DTE

DATA

MODULE

DATA

MODULE

MODEM

ANALOG ANALOG1 PCMRS232C RS232C

D I

A L

D I

A L

USER DEFINED

PCM

D I

A L

D I

A L

O G

DESTINATION SYSTEM

MODULE

MODEM

DCE

DATA

RS232CRAW BITSDCP DCP 1

MODEM POOLING

CABLE

DTE

VOICE GRADE DATAASCII ASCII 2

3-7 USER DEFINED

ADU ADUDTE

RS232C RS232CADU PROT ADU PROT1 RAW BITS

3-7 USER DEFINED

DTE

RS232C DS1 FORMATDCP

3-7 USER DEFINED

DATA

MODULE

DMIASYNCH ASCII ASYNCH ASCII 2

D I

A L

RAW BITS

DMIASCII 2

Figure 1-1. Data Transmission States

DTE

DS1 PORT

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Usage

The following is a list of the protocols when data is t ransmitted to and through the system. The list is organized by proto c ol layers. Refer to Figure 1-1

Layer-1 Protocols

Layer-1 protocols are used between the terminal or host DTE and the DCE, used between the DCE equipment and the system port, and used inside the system.

The following layer-1 protocols are used between the DTE equipment and the DCE equipment. DCE equipment can be data modules, modems, or Data Service Units (DSUs). A DSU is a device that transmits digital data to a particular digital endpoint over the public network without processing the data through any intervening private network switches.

■

RS-232

This protocol is typically used for communicating up to 19.2 kbps

■

RS-449

restrictions and lack of modem control

— A common physical interface used to connect DTE to DCE.

— Designed to overcome the RS-232 distance and speed

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■

V.35

— A physical interface used to connect DTE to a DCE. This protocol

is typically used for transmissions at 56 or 64 kbps

The following protocols are used at layer 1 to govern communication between the DCE equipment and the port. These protocols consist of codes inserted at the originating DCE and stripped at the port. The DS1 protocol can be inserted at the originating, outgoing trunk port and stripped at the destination port.

■

Digital Communications Protocol (DCP)

— A standard for a 3-channel

link. This protocol sends digitized voice and digital data in frames at 160 kbps. The channel structure consists of two information (I) channels and one signaling (S) channel. Each I-channel provides 64 kbps of voice and/or data communication and the S-channel provi des 8 kbps of signaling communication between the system and DTE equipment. DCP is similar to ISDN-BRI

■

Basic Rate Interface (BRI)

— An ISDN standard for a 3-channel link,

consisting of two 64-kbps bearer (B) channels and one 16-kbps signaling (D) channel. For the implementation of this standard, see

DEFINITY Communications System and System 75 and System 85 ISDN BRI Reference

■

Primary Rate Interface (PRI)

, 555-025-103

— An ISDN standard that sends digitized

voice and digital data in T1 frames at 1.544-Mbps or, for countries outside the United States, in E1 frames at 2.048-Mbps. Layer 1 (physical), layer 2 (link), and layer 3 (network) ISDN PRI protocols are defined in

—

System 75 and 85

DS1/DMI/ISDN-PRI — Reference Manual

AT&T

, 555-025-101. At 1.544 Mbps, each frame consists of 24 64-kbps channels plus 8 kbps for framing. This represents 23 B-channels plus 1 D-channel.

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The maximum user rate is 64 kbps for voice and data. The maximum distances are based on T1 limitations. At 2.048 Mbps, each E1 frame consists of 32 64-kbps channels

■

Analog

■

ADU Proprietary

— A modulated voice-frequency carrier signal

— A signal generated by an ADU. The signal is for

communication over limited distances and can be understood only by a destination ADU or destination system port with a built-in ADU

■

Digital Signal Level 1 (DS1)

— A protocol defining the line coding,

signaling, and framing used on a 24-channel line. Many types of trunk protocols (for example, PRI and 24th-channel signaling) use DS1 protocol at layer 1

■

European Conference of Postal and Telecommunications rate 1 (CEPT1)

— A protocol defining the line coding, signaling, and framing used on a

32-channel line. Countries outside the United States use CEPT1 protocol

Inside the system, data tra n smi ssi o n appear s in one of two forms:

1. Raw digital data, where the physical layer protocols, like DCP, are stripped at the incoming port and reinserted at the outgoing port.

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2. Pulse Code Modulation (PCM)-encoded analog signals (analog transmission by a modem), the signal having been digitized by an analog-to-digital coder/decoder (CODEC) at the incoming port.

Layer-2 Protocols

Layer-2 protocols are given below:

■

8-bit character code —

equipment. Depending on the type of equipment used , the code can be any proprietary code set.

■

Digital multiplexed interface

the originating DCE and the destination DCE for digital transmission. See

DEFINITY Communications System and System 75 and System 85 DS1/DMI/ISDN PRI Reference Interface [DMI] Technical Specification,

■

Voice-grade data

DCE for analog transmission

Between the DTE equipment and the DCE

proprietary — Family of protocols between

, 555-025-101; and

Digital Multiplexe d

555-025-204

— Between the originating DCE and the destination

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Protocol States

Table 1-1 summarizes the protocols used at various points in the data

transmissi on stream. See Figure 1-1

Table 1-1. Protocol States for Data Communicatio n

Incoming

Transmiss-

ion Type

DTE to

DCE

OSI

Layer

Protocols DTE t o

DCE

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DCE to System

Port Inside System

Analog Modem 1 RS-232, RS-449,

or V.35

2 8- or 10-bit code voice-grade dat a voice-grade data

ADU 1 RS-232 ADU proprietary raw bits

2 asynchronous

8-bit code

Digital Data

Module

Digital Signal Level 1 (DS1)

1 RS-232, RS-449,

or V.35 2 8-bit code DMI DMI 1 any DS1 PCM or raw bits 2 8-bit code DMI or voice-

NOTE:

OSI means Open Systems Int erconnect PCM means Pulse Code Modulated DMI means Digital Multiplexed Interface

Both the physical-layer protocol and the Digital Multiplexed Interface (DMI) mode used in the connection are dependent upon the type of 8-bit code used at layer 2 between the DTE equipment and DCE equipment, as listed in Table 1-2

Table 1-3

analog PCM

asynchronous 8-bit code

DCP or BRI raw bits

grade data

DMI

DMI or voice- grade data

and

Table 1-2. Physical-Layer Protocol Versus Character Code

Protocol Code

RS-232 Asynchronous 8-bit ASCII, and synchronous RS-449 Asynchronous 8-bit ASCII, and synchronous V.35 Synchronous

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Table 1-3. Digital Multiplexed Interface (DMI) Mode Versus

Character Code

DMI Mod e Code

0 Synchronous (64 kbps) 1 Synchronous (56 kbps) 2 Asynchronous 8-bit ASCII (up to 19.2 kbps), and

synchronous

3 Asynchronous 8-bit ASCII, and private proprietary

Connectivity Rules

Figure 1-1 implies the following connectivity rules:

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■ Only the DS1 port and the analog trunk port are trunking facilities (all other

ports are line ports). For communication over these facilities, the destination DCE equipment can be a hemisphere away from the system, and the signal can traverse any number of intervening switching systems before reaching the destination equipment.

■ Data originating at any type of digital device, whether DCP or BRI, can exit

the system at any type of digital port — BRI, digital-line, PRI, DS1, and others; as long as the call destination is equipped with a data module using the same DMI mode used at the call origin. This is because once the data enters the system through a digital port, its representation is uniform (raw bits at layer 1, and DMI at level 2), regardless of where it originated.

■ Although data entering the system through an EIA port has not been

processed through a data module, the port itself has a built-in data module. In s i de the sys tem, po r t d a ta is ide n tical to digital li ne data. Data entering the system at a DCP line port can exit at an EIA port. Conversely, data entering the system at an EIA port can exit at any DCP line port. The destination data module must be set for Mode-2 DMI communication.

■ Voice-g rade data can be carried over a DS1 facility as long as the

destination equipment is a modem compatible with the originating modem

■ If a mismatch exists between the types of signals used by the endpoints in

a connection (for example, the equipment at one end is an analog modem, and the equipment at the other end is a digital data module), a modem-pool member must be inserted in the circuit. When the endpoints are on different switches, it is recommended that the modem-pool member be put on the origination or destination system. A modem-pool

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member is always inserted automatically for calls to off-premises sites via analog or voice-grade trunking. For internal calls, however, the systems are capable of automatically inserting a modem-pool member.

■ Data cannot be carried over analog facilities unless inside the system it is

represented as a Pulse Code Modulation (PCM)-encoded analog signal. To do this for data originating at a digital terminal, the signal enters the system at a digital port and exits the system at a digital port. The signal then reenters the system through a modem-pool connection (data-module to modem to analog-port) and exit s the syste m again at an analo g port .

■ Althoug h DS1 is commonly call ed a trunk speed, here it names the

protocol used at layer 1 for digital trunks. Some trunks use different signaling methods but use DS1 protocol at layer 1 (for example, PRI and 24th-channel signaling trunks).

Disconnect Supervision

Disconnect supervision means the CO has the ability to release a trunk when the party at the CO disconnects, and the system is able to recognize the release signal. In general, a CO in the United States provides disconnect supervision for incoming calls but not for outgoing calls. Many other countries do not provide disconnect supervision on either incoming or outgoing calls.

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The system must provide the assurance that at least one party on the call can control the dropping of the call. This avoids locking up circuits on a call where no party is able to send a disconnect signal to the system. Internal operations must check to be sure one party can provide disconnect supervision. An incoming trunk that does not provide disconnect supervision is not allowed to terminate to an outgoing trunk that does not provide disconnect supervision.

In a DCS environment, an incoming trunk without disconnect supervision can terminate to an outgoing DCS trunk connecting two nodes. The incoming trunk is restricted from being transferred to a party without disconnect supervision on the terminating node.

This is because, through messaging, the terminating node knows the originating node cannot provide disconnect supervision. This messaging is not possible with non-DCS tie trunks, and the direct call is denied.

Some two-wire loop start trunks outside the United States provide busy tone disconnect in place of line signals. For these trunks, an adjunct can be attached to the trunk to listen for busy or other disconnect tone. When a tone is detected, the adjunct sends line signals for disconnect to the system.

Administration is provided for each trunk group to indicate whether it provides disconnect supervision for incoming calls and for outgoing calls.

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Transfer on Ringing

A station or attendant may conference in a ringing station or transfer a party to a ringing station. When a station conferences in a ringing station and then drops the call, the ringing station is treated like a party without disconnect supervision. However, when a station transfers a party to a ringing station, the ringing station party is treated like a party with disconnect supervision. Two timers (Attendant Return Call Timer and Wait Answer Supervision Timer) are provided to ensure the call is not locked to a ringing station.

Conference, Transfer, and Call-Forwar ding Denial

If a station or attendant attempts to connect parties without disconnect supervision together, the following is possible:

■

Digital Station or Local Attendant Transfer

transfer the two parties together, the call appearance lamp flutters, indicating a denial. If transferring to a DCS trunk, the denial may drop the call since the transfer is allowed and the other system is queried for disconnect supervision.

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: if a digital station attempts to

■

Analog Station Transfer

parties together by going on-hook, the analog station is no longer on the call and the transfer cannot be denied.

■

Centralized Attendant Service (CAS) Attendant Transfer

to transfer two parties together by pressing the release key, the release link trunk is released and the branch attempts a transfer by going on-hook

■

Station Conference/Dropout

conference is allowed since the station has disconnect supervision. When the station is dropped from the call, the call is dropped since the other parties do not have disconnect supervision.

■

Station Call Forwarding

without disconnect supervision, the calling party without disconnect supervision is routed to the attendant

Table 1-4

: if an analog station attempts to transfer two

: if a CAS attempts

: if a station conferences all parties, the

: if a station is call forwarded off-premise to a trunk

lists the various protocols, with applications and maximum limitations.

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Table 1-4. Protocols Used in DEFIN IT Y

Maximum

Protocol Applications

Data Rate Maximum Distance

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DCP Digital switch to data

endpoints

RS-232 System to administration

terminal. Data module to host computer

Data module to printer

Data module for downloading and high-speed data transfer

EIA interface (Data line to ADU)

RS-449 Processor Interface to

Processor Interface

SSI 715 BCS-2 to Processor

Interface 500 series printers to Processor Interface

64 kbps 5000 f eet (1524 m) for data

3000 feet (915 m) for voice

19.2 kbps

64 kbps

19.2 kbps

9.6 kbps

4.8 kbps

2.4 kbps

1.2 kbps

0.3 kbps

19.2 kbps

9.6 kbps

4.8 kbps

2.4 kbps 56 kbps 5000 f eet (1524 m)

50 feet (15.2 m)

17 feet (5.9 m)

2000 feet (610 m) 5000 feet (1524 m) 7000 feet (2130 m) 12,000 feet (3654 m) 20,000 feet (6100 m) 40,000 feet (12200 m)

200 feet (61 m) 400 feet (122 m) 800 feet (244 m) 1600 feet (488 m)

BISYNC Processor Interface line

controller to host comput e r fo r termina l emulation (9.6 kbps)

BX.25 Communication interface

to MSA, D C S , ISDN, or AUDIX

SDCPI Dat a module to Processo r

Interface

RS-366 Host computer to ACU

Data module to ACU 64 kbps

V.35 Data module to data

endpoints

2.4 kbps

4.8 kbps

9.6 kbps

64 kbps 17 fee t (5.9 m)

50 feet (15.2 m) 17 feet (5.9 m)

56 kbps 50 fee t (15.2 m)

Continued on next page

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Table 1-4. Protocols Used in DEFIN IT Y — Continued

Maximum

Protocol Applications

Data Rate Maximum Distance

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Category AData modules to terminals

or cluster controller

Data module in ASCII emulation mode

ISDN-BRI Communication interface

to ISDN-BRI S/T

ISDN-BRI U

ISDN-PRI Communication interface

to ISDN-P R I

NOTE:

ADU means Asynchronous Data Unit BCS means Business Communicat ions System MSA means Message Servicing Adjunct ACU means Automatic Call Unit

64 kbps

9.6 kbps

64 kbps

160 kbps

64 kbps 655 fe et (199.3 m) to network

500 feet (152 m)

655 feet (199.3 m) to network interface or repeater 1310 feet (399.3 m) system to system

18,000 feet (5486.4 m) from system to network interface, and then ~2000 feet to phone

interface or repeater 1310 feet (399.3 m) system to system

Continued on next page

Transmission Characteristics

The system transmission characteristics comply with the American National Standards Institute/Electronic Industries Association (ANSI/EIA) standard RS-464A (SP-1378A). The following tables list some general switch transmission characteristics.

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Frequency Response

Table 1-5 lists the analog-to-analog frequency response for station-to-station or

station-to-CO trunk, relative to loss at 1 kHz for the United States.

Table 1-5. Analog-to- Analog Frequency Response

Frequency (Hz) Maximum Loss (dB) Minimum Loss (dB)

60 —20

200 5 0

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300 to

3000 3200 1.5 -0.5 3400 3 0

1-0.5

Table 1-6 lists the analog-to-digital frequency response of the system for station

or CO-trunk-to-digital interface (DS0), relative to loss at 1 kHz for the United States.

Table 1-6. Analog-to-Digital Frequency Response

Frequency (Hz) Maximum Loss (dB) Minimum Loss (dB)

60 — 20

200 3 0

300 to

3000 3200 0.75 -0.25 3400 1.5 0

0.5 -0.25

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Insertion Loss for Port-to-Port; Analog or Digital

Table 1-7 lists the insertion loss in the system for different connection types for

the United States. Table 1-8

Table 1-7. Insertion Loss for the United States

Typical Connecti ons

On-premises to on-premises station 6 On-premises to off-premises station 3 Off-premises to off -premises station 0 On-premises station to 4-wire trunk 3 Off-premises station to 4-wire trunk 2 Station-to-trunk 0 Trunk-to-t runk 0

shows the overload and cross-talk characteristics.

Nominal Loss (dB) at 1 k H z

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Table 1-8. Overload and Crosstalk

Overload level +3 dBm0 Crosstalk loss >70 dB

Intermodulation Distortion

Table 1-9 lists the intermodulation distortion in the system for analog-to-analog

and analog-to-digital, up to 9.6 kbps data

Table 1-9. Intermodulation Distortion

Four-Tone Method Distortion

Second-order tone products >46 dB Third-order tone products >56 dB

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Quantization Distortion Loss

Table 1-10 lists the quantization distortion loss in the system for analog port to

analog po rt.

Table 1-10. Quantization Distortion Loss

Analog Port-to-Analog Port

Signal Level Distortion Loss 0 to -30 dBm0 >33 dB

-40 dBm0 >27 dB

-45 dBm0 >22 dB

Table 1-11 lists the quantization distortion loss in the system for analog port to

digital port and digital port to analog port.

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Table 1-11. Quantization Distortion Loss

Analog Port-to-Digital Port or Digital Port-to-Analog Port

Signal Level Distortion Loss 0 to -30 dBm0 >35 dB

-40 dBm0 >29 dB

-45 dBm0 >25 dB

Terminating Impedance: 600 Ohms nominal Trunk balance impedance (selectable): 600 Ohms nominal or complex Z [350 Ohms + (1 k Ohms in parallel with 0. 215uF)]

Impulse Noise

On 95% or more of all connections, the impulse noise is 0 count (hits) in five minutes at +55 dBrnC (decibels above reference noise with C-filter) during the busy hour.

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ERL and SFRL Talking State

Echo-Return Loss (ERL) and Single-Frequency Return Loss (SFRL) performance is usually dominated by termination and/or loop input impedances. The system provides an acceptable level of echo performance if the ERL and SFRL are met.

Station-to-station ERL should meet or exceed 18 dB

SFRL should meet or exceed 12 dB

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Page 1-17Serv i c e C odes

Station to 4-wire trunk connection

Station to 2-wire trunk connection

4-wire to 4-wire trunk connection

Peak Noise Level

Analog to analog — 20 dBrnC (decibels above reference noise with C-filter) Analog to digital Digital to analog

Echo Path Delay

Analog port to analog port — < 3 ms Digital interface port to digital interface port — <

ERL should meet or exceed 24 dB

SFRL should meet or exceed 14 dB

ERL should meet or exceed 18 dB

SFRL should meet or exceed 12 dB

ERL should meet or exceed 27 dB

SFRL should meet or exceed 20 dB

— 19 dBrnC — 13 dB rnC

2 ms

Service Codes

Service codes (for the United States only) are issued by the Federal Communications Commission (FCC) to equipment manufact urers and registrants. These codes denote the type of registered terminal equipment and the protective characteristics of the premises wiring of the terminal equipment ports.

Private line service codes are as follows:

■ 7.0Y — Totally protected private communications (microwave) systems

■ 7.0Z — Partially protected private communications (microwave) systems

■ 8.0X — Port for ancillary equipment

■ 9.0F — Fully protected terminal equipment

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■ 9.0P — Partially protected terminal equipment

■ 9.0N — Unpro tected terminal equipm ent

■ 9.0Y — Totally protected terminal equipment

555-230-127

The product line service code is 9.0F indicating it is terminal equipment with fully protected premises wire at the private line ports.

Facility Interface Codes

A Facility Interface Code (FIC) is a five-character code (United States only) that provides the technical information needed to order a specific port circuit pack for analog private lines, digital lines, MTS lines, and WATS lines.

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Page 1-18Facilit y Int erface Codes

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Table 1-12 through Table 1-14 list the FICs. Included are service order codes,

Ringer Equivalency Numbers (RENs), and types of network jacks that connect a line to a rear panel connector on a carrier.

Table 1-12. Analog Private Line and Trunk Port Circuit Packs

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Page 1-19Multimedia Interface (MMI)

Service

Circuit Pack FIC

TN742 and TN747B Off-Premises Station Port, and TN746B Off-Premises Station Port or On-Premises Station port

TN760/B/C/D Tie Trun k TL31M 9.0F RJ2GX

0L13C 9.0F RJ21X

Order Code

Network Jack

Table 1-13. Digital Trunk Port Circuit Packs

Service

Circuit Pack FIC

TN1654 and TN574 DS1 Convert er; TN722B DS1 Tie trunk; and TN767 and TN464 DS1 Interface

04DU9B,C 6.0P RJ48C

Order Code

Table 1-14. MTS and WATS Port Circuit Packs

Ringer

Circuit Pack FIC

Equivalen cy Number (REN)

Network Jack

and RJ48M

TN742 and TN746B Analog Line 02LS2 None RJ21 and

TN747B Central Office Trunk 02GS2 1.0A RJ21X TN753 DID Trunk 02RV2-T 0,0B RJ21X TN790 Processor 02LS2 1.0A RJ21X TN1648 System Access and

Maintenance

Multimed ia I nt er face (M MI )

The Multimedia Interface handles the following protocols:

RJ11C

02LS2 0.5A RJ21X

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■ International Tele com mun ications Union (IT U) H.221 — Includes H.230,

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H.242, H.231, and H.243 protocol

■ American National Standards Institute (ANSI) H.221 — Includes H.230,

H.242, H.231, and H.243 protocol

■ BO ND I N G ( B a ndw idth On Dem an d INoperabilit y Gr ou p) M o de 1

■ ESM HLP HDLC Rate Adaptation

The Vistium Personal Conferencing System is supported either through the 8510T BRI terminal or directly through the Vistium TMBRI PC board.

Using the W o rld Class Core ( W C C) BR I int er face, most desk t op m u lt imedia

applications are supported through the Personal Computer’s BRI interface.

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Circuit Packs and Power

This chapter discusses the hardware configurations contained within and supported by the DEFINITY Systems. Where appropriate, detailed information down to the circuit pack level is provided. This chapter also discusses the power sources required to enable the various components within the system.

555-230-127

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Page 2-1Circuit Packs

Circui t Pa c ks

The following table list all circuit packs supported by DEFINITY Release 5 systems. For information concerning vintages and current versions, see

Reference Guide for Circuit Pack Vintages and Change Notices

published periodically as a special edition of the For more information concerning which circuit packs are needed for different

environments and locales, see the Application Notes section of

Enterprise Communications Server Release 5.4 Administration and Feature Description

Table 2-1

Reference Guide for Circuit Pack Vintages and Change Notices

that pertain to your system.

which is

AT&T Technical Monthly

DEFINITY

lists circuit packs by Apparatus Code, Name, and Type. See the

for circuit packs

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Circuit Packs and Power

Table 2-1. Circuit packs and modules

Apparatus

Code Name Type

631DA1 AC Power Unit Power 631DB1 AC Power Unit Power 644A1 DC Power Unit Power 645B1 DC Power Unit Power 649A DC Power Unit Power 676B DC Power Supply Power 982LS Curren t Limiter Power CFY1B Current Limiter Power CPP1 Memory Expansion Control

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supported by DEFINITY

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Page 2-2Circuit Packs

ED-1E546 (TN2169) (TN2170) (TN566) (TN567)

ED-1E546 (TN2208) (TN2170)

J58890MAP (TN800)

TN417 Auxiliary Trunk Port TN419B Tone-Clock Control TN420B/C Tone Detector Service TN429 Direct Inward/Outward Dialing (DIOD) Trunk Po rt TN433 Speech Synthesizer Service TN436B Direct Inward Dialing Trunk Port TN437 Tie Trunk Port TN438B Central Office Trunk Port TN439 Tie Trunk Port TN447 Central Office Trunk Port

DEFINITY AUDIX R3 System Port Assembly

Call Visor ASAI over the DEFINITY (LAN) Gateway R1 Port Assembly

CallVisor over the DEFINI TY LAN Gateway R2 Port Assembly

TN457 Speech Synthesizer Service TN458 Tie Trunk Port

Continued on next page

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Circuit Packs and Power

Table 2-1. Circuit packs and modules

Apparatus

Code Name Type

TN459B Direct Inward Dialing Trunk Port TN464C/D/E/F DS1 Interface - T1, 24 Channel - E1, 32 Chann el Port TN465/B/C Central Office Trunk Port TN467 Analog Line Port TN468B Analog Line Port TN479 Analog Line Port TN497 Tie Trunk Port TN553 Packet Data Line Port TN556/B ISDN-BRI 4-Wire S/T-NT Line (A-Law) Port TN570/B/C Expansion Interface Port

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supported by DEFINITY — Continued

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Page 2-3Circuit Packs

TN572 Switch Node Clock Control TN573/B Switch Node Interface Control TN574 DS1 Converter - T1, 24 Channel Port TN577 Packet Gateway Port TN722B DS1 Tie Trunk Port TN725B Speech Synthesizer Service TN726/B Data Line Port TN735 MET Line Port TN742 Analog Line Port TN744/B Call Classifier Service TN744/C/D Call Classifier - Det ector Service TN746/B Analog Line Port TN747B Central Office Trunk Port TN748/B/C/D Tone Detector Service TN750/B/C Announcement Service TN753 Direct Inward Dialing Trunk Port TN754/B Digital Line 4-Wire DCP Port TN755B Neon Power Unit Power TN756 Tone Detector Service

Continued on next page

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Circuit Packs and Power

Table 2-1. Circuit packs and modules

Apparatus

Code Name Type

TN758 Pooled Modem Port TN760B/C/D Tie Trunk Port TN762B Hybrid Line Port TN763B/C/D Auxiliary Trunk Port TN765 Processor Interface Control TN767B/C/D/E DS1 Interface - T1, 24 Channel Port TN768 Tone-Clock Control TN769 Analog Line Port TN771D Maintenance/Test Service TN772 Duplication Interface Control

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supported by DEFINITY — Continued

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Page 2-4Circuit Packs

TN773 Processor Control TN775/B Maintenance Service TN776 Expansion Interface Port TN777/B Network Control Control TN778 Packet Control Control TN780 Tone-Clock Control TN786 Processor Control TN786B Processor Control TN787F/G Multimedia Interface Service TN788B Multimedia Voice Conditi oner Service TN789 Radio Controller Control TN790 Processor Control TN793 Analog Line, 24-Port, 2-Wire Port TN796B Processor Control TNPRI/BRI PRI to BRI Converter Port TN1648 System Access/Ma int enance Control TN1650B Memory Control TN1654 DS1 Converter - T1, 24 Channel/E1, 32 Channel Port TN1655 Packet Interface Control

Continued on next page

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Circuit Packs and Power

Table 2-1. Circuit packs and modules

Apparatus

Code Name Type

TN1656 Tape Drive Control TN1657 Disk Drive Control TN2135 Analog Line Po rt TN2136 Digital Line 2-Wire DCP Port TN2138 Central Office Trunk Port TN2139 Direct Inward Dialing Tr unk Po rt TN2140/B Tie Trunk Port TN2144 Analog Line Po rt TN2146 Direct Inward Dialing Tr unk Po rt TN2147/C Central Office Trunk Port

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supported by DEFINITY — Continued

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TN2149 Analog Line Po rt TN2180 Analog Line Po rt TN2181 Digital Line 2-Wire DCP Port TN2182/B Tone-Cl ock -Tone Detector and Call Classif ier Control TN2183 Analog Line Po rt TN2184 DIOD Trunk Port TN2198 ISDN-BRI 2-Wire U Interface Port TN2199 Central Office Trunk Port TN2202 Ring Generator Power TN2224 Digi tal Line, 24- Port, 2-Wire DCP Port UN330B Duplication Interface Control UN331B Processor Control UN332 Mass Storage/Network Control Control WP-90510 AC Power Supply (Compact Single-Carrier Cabinet) Power WP-91153 AC Power Supply (Single-Carrier Cabinet) Power

Continued on next page

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Power

There are two basic powering options available with the Release 5si systems. These options include AC and DC. The cabinets and their associated power supplies can be powered by 120/208 volts AC either directly or from a Universal Power Supply (UPS) system. Alternatively, the cabinets and their power supplies may be powered by -48 volts DC from a battery power plant.

The Release 5vs system requires between 80 and 264 or between 90 and 132 volts AC. The system can be powered directly or from the WP-90510 power supply. The DC power option is not available with this system.

Except for the Release 5vs system, each control cabinet in an AC-powered system has an internal batte ry th a t provides a short term holdover to protect the system against short power interruptions. This method is known as the Nominal Power Holdover Strategy. The battery is connected so that it automatically provides power if the AC service fails. The time and extent of the holdover varies according to the type of cabinet and to whether or not the system has a duplicated control complex.

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Table 2-2

summarizes the response to the interruption of power service in

systems without an internal holdover battery.

Table 2-2. Response to Power Service Interruption (without Internal

Holdover Battery)

Cabinet Power

Interruption

-48 volt DC external power or multicarrier cabinet with UPS, no internal battery.

Less Tha n Power

Supply Dec ay

None on system, some impact on 48-volt powered circuits.

Greater Than Power

Supply Decay

All calls dropped, system reloads.

The next two tables indicate various responses to the interruption of power service in DEFINITY Systems equipped with an internal holdover battery.

Table 2-3

provides a summary of holdover times. Table 2-4 indicates the types of

cabinet power interruption based on power holdover durations.

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Table 2-3. Response to Power Service Interruption with an Internal Holdover Battery

System and

Configuration Cabinet

Holdover for

Entire Cabinet

(in seconds)

Holdover for

Entire Control

Carrier (in minutes)

Standard PPNMCC 10 10 High, Critical PPNMCC 10 5 Standard/High, Critical PPN SCC/ESCC 1/4 2

Standard/High, Critical

EPN MCC 15 none

Standard/High, Critical EPN SCC/ESCC 1/4 none

1. The holdover times listed are in effect if the EPN contains a TN775 maintenance circuit pack. However, if the EPN c ont ains a TN77 5B mai ntenance c ircui t pack, t he holdov er ti me for t he enti re cabinet is 10 seconds , and the holdover time for the control carrier is 10 minutes.

Table 2-4. Types of Ca bine t Po w er Inter ruption

Longer Holdover than

System and

Cabinet

Shorter Holdover

Than Entire

Cabinet

Entire Cabinet, Shorter Holdover than Co ntrol

Carrier

Longer Holdover

Than Control

Carrier

PPN SCC No call s droppe d All calls dropped S ystem reloads EPN SCC No call s droppe d All calls dropped S ystem reloads

NOTE:

When EPN power is interrupted for greater than the cabinet holdover but less than the control carrier holdover, calls in the control carrier are held for the duration of the interruption but are dropped when power is restored.

Single-Carrier Cabinets

In single-carrier cabinets, there is no internal AC wiring or distribution and no software interacti o n with th e powe r system. The power supplies themselves take about 250 milliseconds for the voltages to drop below limits.

The control cabinet that houses the Switch Processing Element (SPE) is the only cabinet that has an internal battery reserve. All other control cabinets and port cabinets have the 250 millisecond power supply deca y de lay, after which all connections and links associated with the cabinets are dropped.

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The SPE control cabinet has a battery that furnishes power to the processor memory complex for a minimum of two minutes if the battery is fully charged. This battery is recharged after power is restored, but the charging process is not monitored by the system. The cabinet is not able to detect AC power loss, and it notices only a DC power output failure as the power supply output decays.

The memory contents are preserved, and the processor continue s operating during the two minute period. However, the tone-clock circuit pack is not held over, and as a result, no connections are possible. The battery does not supply all the voltages necessary for the internal modem circuit on the processor circuit pack. As a result, no call is originated to INADS, and the switch cannot answer any calls. Thus, the switch cannot report any internal or external alarms during this period. After two minutes (depending on the condition of the battery), the processor and memory are lost, and the system is totally inactive.

If power is restored in less than 250 milliseconds, no calls are dropped. If power is restored between 250 milliseconds and two minutes, all calls are dropped, and memory is maintained. However, since the tone-clock was lost, the system undergoes a reset once the AC restoral process clears all calls and the alarm log (in which errors are retained). The switch keeps a record of the restart in the error log, but it might not detect a power error if the outage is between 1/4 of a second and one minute, during which time only a loss of clock and not a loss of the power failure that caused the loss of clock is logged. After one minute, a power error is logged. If the outage exceeds the battery holdover interval, the error logs and alarm logs are lost (since they cannot be saved to tape). Depending on the size of the system, it can take up to one minute to restore service to the ports. After a power outage of two minutes following the restoral of AC power, the system re-initializes from the tape. It takes about 10 minutes to restore service. Again, if the customer has frequent power outages or critical service needs, an external UPS or DC power system should be considered.

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NOTE:

For more power control information, refer to AC-POWER, DC-POWER, and POWER maintenance objects.

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General

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Maintenance personnel can use the management terminal to initiate the same tests that the system initiates. Test results display on the terminal screen. This chapter illustrates these terminals, explains how to use them, and identifies the typical maintenance tasks that can be performed from them.

Management Terminals

The maintenance interface for the system technician is the management terminal. These terminals may be referred to as an

The following terminals are supported as administration terminals:

■ 715 BCS

■ 2900/715 BCS

■ 715 BCS-2

In a standard reliability system, the terminal connects to the Processor circuit pack. In the PPN of a high or critical reliability system , the administration terminal connects to the Duplication Interface circuit pack in the PPN. In the EPN of a standard reliabili ty system or of a high or critical reliability system, the administration terminal connects to the Maintenance circuit pack in the EPN.

Duplication Interface circuit pack A controls and monitors the same environment leads as the Maintenance/Tape Processor in a PPN system without high or critical reliability. Duplication Interface circuit pack A also supports the serial channel to the terminal in a PPN for a high or critical reliability system. The terminal connects to Duplication Interface circuit pack A via a connector, labeled

administration terminal

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DOT (Duplication Option Terminal), on the back of cabinet A. At any time, the

terminal may be disconnected from the Duplication Interface circuit pack A and connected directly to the active processor circuit pack by attaching the terminal to the connector labeled TERM. This connection should be made only if the terminal fails to function, since a problem with the Duplication Interface circuit pack A may be present.

Typical tasks that can be performed at the terminal are shown below.

■ Display Error and Alarm logs

■ Test circuit packs

■ Test system functions

■ Busyout and release system equipment

■ Reset the system

■ Monitor the system

■ Chec k status of maintenanc e objects

■ Chec k system translations

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Most maintenance functions performed at the local administration terminal can also be done remotely at the INADS (Initialization and Administration System).

Terminal Keyboard

The keyboard is equipped with cursor keys, editing keys, and transaction keys. The three types of keys are described here.

Cursor Keys:

pages on a screen form. The cursor must be positioned on a field before the user can add or change information in that field.

Editing Keys:

used to erase the character at the current cursor position. The cursor moves one position to the left each time the key is pressed. If the cursor is at the first position of the data entry field, it erases the character at the first position. pressed simultaneously with the form. The cursor must be positioned at the field the user wants to clear before

Clear is pressed.

Transaction Keys:

CANCEL is used to erase a form or command. Once the key is pressed, the

system returns the use r to the command (tasks request) level and asks for a n ew command.

system’s memory. entered into the field associated with the current cursor position. The system displays all the permissible entries the user can input for that field. This key can be pressed at the ”enter command” level to obtain a list of all commands.

Cursor keys are used to move the cursor between fields and

Two editing ke ys, BACKSPACE and Clear, are provided. BACKSPACE is

Clear when

Shift is used to clear all data in a field on a screen

Three transaction keys, Cancel, Enter, and Help, are provided.

Enter is used to store the data entered on a screen form in the

Help displays information on the type of data that can be

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System Login Procedure

Forced Password Aging and Administrable Logins

Release 5 and later releases provide enhanced login/passw ord security by adding a security feature that allows users to define their own logins/passwords and to specify a set of commands for each login. The system allows up to 11 customer logins. Each login name can be customized and m ust be made up of from 3 to 6 alphabetic/numeric characters, or a combination of both. A password must be from 4 to 11 characters in length and contain at least 1 alphabetic and 1 numeric symbol. Password aging is an optional feature that the super-user administering the logins can activate.

NOTE:

If several users are logging in and out at the same time, a user may see the

message “Transient command conflict detected; please try later”. After the “users” have completed logging in or out, the terminal is available for use.

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The password for each login can be aged starting with the date the password was created, or changed, and continuing for a specified number of days (1 to

99). The user is notified at the login prompt, 7 days before the password expiration date, that the password is about to expire. When the password expires the user is required to enter a new password into the system before logging in. If a login is added or removed, the “Security Measurement” reports are not updated until the next hourly poll, or a clear measurements security-violations command is entered. Once a non-super-user has changed the password, the user must wait 24 hours to change the password again.

Security is enhanced by providing a logoff notification screen to a system administrator at log off while either the facilit y test call or remote access features are still administered. The administrator can be required to acknowledge the notification before completing the logoff process. Logoff notification is administered on the Login Administration screen.

Release 5 and later releases are delivered to the customer with one customer “super-user” login/password defined. The customer is required to administer additional login/passwords as needed. The super-user login has full customer permissions and can customize any login created.

Login permissions for a specified login can be set by the super-user to block any object that may compromise switch security. Up to 40 administration or maintenance objects commands can be blocked for a specified login in.

Release 5 and later releases commands are grouped into three comma nd categories. Each of the three command categories has a group of command subcategories listed under them, and each command subcategory has a list of command objects that the commands acts on. A super-user can set a users

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permissions to restrict or block access to any command in these categories. The three main categories are:

■ Comm on Commands

— Display Admin. and Maint. Data — System Measurements

■ Admini stration Comma nds

— Administer Stations — Administer Trunks — Additional Restrictions — Administer Features — Administer Perm is s ion s

■ Maintenance Commands

— Maintain Stations — Maintain Trunks

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To Log In

— Maintain Systems — Maintain Switch Circuit Packs — Maintain Process Circuit Packs

These categories are displayed on the Command Permissions Categories form.

1. Enter your login name and password on the login and password screen. If your password has expired, you see the message:

Your password has expired, enter a new one. Reenter current password:

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Password: Your Password has expired, enter a new one.

Reenter Current Password:

New Password:

Reenter New Password:

Figure 3-1. Password Expiration Screen

The Password Expiration screen displays when you log in. See Figure 3-1 password is expired, you are prompted to enter a new password. If your password is within 7 days of the expiration date, you see:

WARNING: Your password will expire in X days

To Logoff

To logoff, enter “logoff” at the command prompt. You will receive a logoff screen if any of the following is true. If either a or b (see below) is true and an acknowledgment is required, or if any of c, d, or e is true, you need to respond to the “Proceed with Logoff?” prompt on the logoff screen. See Figure 3-2. The response is defaulted to “n”; you will need to enter “y” to override the default.

. If y our

a. If Facility Test Call Notification has been enabled for your login (see

Adding Customer Logins and Assigning Initial Passwords).

b. If Remote Access Notification has been enabled for your login (see

Adding Customer Logins and Assigning Initial Passwords).

c. If Alarm Origination is disabled. d. If any active major or minor alarm is active. e. If any resource is busied out.

CAUTION:

To leave the Facility Test Call administered after you logoff poses a significant security risk.

CAUTION:

To leave the Remote Access feature administered after logging off poses a significant security risk if you are using the feature in conjunction with the Facility Te st C a ll fe a ture .

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No alarms report through the INADS interface if Alarm Origination is disabled.

CAUTION:

A busied out resource is one that is out of service. Be sure to verify if a busied resource needs to be released or if the resource should remain busied out.

Facility Test Call Administered Remote Access Administered Alarm Origination is currently disabled. Active major or minor alarm detected; be sure to resolve it. *** Busied out resource detected; verify if release is needed! ****

Proceed With Logoff: [n]

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Figure 3-2. Logoff Screen

To Display a Login

1. Enter the command displ a y login [ l ogin name ] and press Enter.

The system displays the requested login’s:

■ Name

■ Login type

■ Service level

■ Disable following a security violation value

■ Access to Inads Port value

■ Password aging cycle length

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■ Facility test call notification and acknowledgment

■ Remote access notification and acknowledgment

To List Logins

1. Enter the command list logins. The system displays the followi n g inf or mati on for all curr ent login s:

■ Name

■ Service level

■ Status (active, inactive, disabled, svn-disabled, void)

■ Password aging cycle length

The system displays only those logins wit h the same, or lower, se rvi ce level as the requestor.

To Remove a Login

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1. Enter the command remove login [login nam e ]. The system displays the Login Administration form.

2. Press the

ENTER key to remove the login, or press Cancel to exit the

remove login procedure without making a change.

To Test a Login

1. Enter your login name at the login prompt.

2. After the user enters the correct login name and password and the login is administered correctly, the system displays the command line interface.

Administering Customer Logins and Forced Password Aging

Adding Customer Logins and Assigning Initial Password

To add a customer login you must be a super-user, have administrative permissions, and:

1. En te r the add login [name] command to access the Login Administration form.

2. Enter your super-user password in the Password of Login Making Change field on the Login Administration form.

The 3- to 6-character login name (characters 0-9, a-z, A-Z) entered with the add login [name] command is displayed in the Login’s Name field.

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3. Enter “custom er” in the Login Type field. The system defau lt for the Login Type field is “customer.” The maximum number of customer logins of all types is 11.

4. Enter super-user or non-super-user in the Service Level field. Default is none-super-user.

■ “super-user” gives access to the add, change, display, list, and

remove commands for all customer logins and passwords. The

super-user can administer any mix of super-user/non-super-user logins up to a total of ten additional system logins.

■ “non-super-user” permissions are limited by restrictions specified

by the super-user when administering the non-super-user login. A non-super-user can change his/her password with permission set by the super-user, however once a password has been changed the non-super-user must wait 24 hours before changing the password again. A non-super-user cannot change other user passwords, login characteristics, or permissions.

5. Enter “y” in the Disable Following a Security Violation field to disable a login following a login security threshold violation,. This field is a dynamic field and only appears on the Login Administration form when the SVN Login Violation Notification feature is enabled. The system default for the Disable Following a Security Violation field is “y.”

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6. Enter “y” in the Access to INADS Port? field to allow access to the remote administration port,. This field only displays if Acct. has first enabled customer super-user access to the INADS Remote Administration Port. Default is “n”.

7. Enter a password for the new login in the Login’s Password field. A password must be from 4 to 11 characters in length and contain at least 1 alphabetic and 1 numeric symbol. Valid characters include num bers, and!&*?;’^(),.:- (the system will not echo the password to the screen as you type).

8. Re-enter the password in the Login’s Password field. The system will not echo the password to the screen as you type.

9. Enter the number of days (1 to 99) from the current day, that you want the password to expire, in the Password Aging Cycle Length field. If a you enter a blank in this field, password aging does not apply to the login.

10. Deci de w h et h er or not to le av e t he def a ult o f ye s (“y”) in the F acility Test Call Notification? field. If “y” is selected, the user receives notification at logoff that the facility test call feature access code is administered. If you do not want the notification to appear, set the field to “n”.

CAUTION:

Leaving The facility Tes t Call ad mi nis tere d after logg ing off pose s a significant security risk.

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11. Decide w he t he r o r not to lea v e t h e de f au lt of y es (“y” ) in the F acility Test Call Notification Acknowledgment Required field. If “y” is selected, the user is required to acknowledge that they wish to logoff while Facility Test Call is still administered. If you do not want to force the user to acknowledge, set the field to “n”. This field appears only if the Facility Test Call Notification field is set to 'y”

12. Decide whether or not to leave the default of yes (“y”) in the Remote Access Notification? field. If “y” is selected, the user receives notification at logoff that remote access is still administered. If you do not want the notification to appear, set the field to “n”.

CAUTION:

To Leave Remote Access feature administered after logging off poses a significant security risk if you are using the feature in conjunction with the Facility Test Call feature.

13. Decide whether or not to leave the default of yes (“y”) in the Remote Access Acknowledgment Required? field. If “y” is selected, the user is required to acknowledge that they wish to logoff while remote access is still administered. If you do not want to force the user to acknowledge, set the field to “n”. This field appears only if the Facility Test Call Notification field is set to 'y”.

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Password of Login Making Change:

LOGOFF NOTIFICATION

Facility Test Call Notification? y Acknowledgment Required? y

Remote Access Notification? y Acknowledgment Required? y

Access to INADS Port?

Screen 3-1. Login Administration

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Changing a Login’s Attributes

To change a customer login’s attributes you must be a super-user, have administrative permissions (specifically, the Administration Permission field must be set to “y” for the super-user), and:

1. En te r the change login [name] comm and to access the Login Administration form.

2. Enter your super-user password in the Password of Login Making Change field on the Login Administration form. The 3- to 6-character login name (characters 0-9, a-z, A-Z) entered with the change login [nam e] command is displayed in the Login’s Name field.

3. Enter “customer” in the Login Type field.

4. Enter “super-user” or “non-super-user” in the Service Level field.

NOTE:

You cannot change your own service level.

5. To disable a login following a login security threshold violation, enter “y” in the Disable Following a Security Violation field. This field is a dynamic field and only appears on the Login Administration form when the SVN Login Violation Notification feature is enabled.

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6. To allow access to the remote administration port, enter “y” in the Access to INADS Port? field. This field will only display if Lucent Technologies has first enabled customer super-user access to the INADS Remote Administration Port.

8. Re-enter the password in the Login’s Password field. The system will not echo the password to the screen as you type.

9. Enter the number of days (1 to 99) from the current day, when you wish the password to expire, in the Password Aging Cycle Length field. If a blank is entered in this field, password aging does not apply to the login.

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Administering Login Command Permissions

Users with super-user permissions can set the permissions of the logins they create. The Command Permissions Categories form displays fields to which a user with super-user permissions can give or limit access. These commands are divided into three categories:

■ Comm on Command

■ Admini stration Comma nds

■ Optional M aintenance Commands

Each of the three main categories have subcategories listed under them that

when set to a “y” give permission to use the command sets associated with that category. When the Command Permissions Categories form is displayed for a login, the subcategories fields appear with the fields set to give the login full permissions for that login type. The super-user administering login permissions can set any of these field to deny access to a command category for the specified login. If the super-user making the assignments has full super-user permissions and would like to limit permissions for a category, the super-user can do so by entering “y” in the Additional Restrictions field located under the Administration Category section of the Command Permissions Categories form.

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Refer to the Command Permissions Form Entries Tables at the end of t hi s s ection for a list of command Objects and Actions by:

■ Display Administration and Maintenance

■ Admini ster Features

■ Admini ster Permissions

■ Adm inister Stations

■ Admini ster Trunks

The information is the tables will help you to establish command permissions for user logins.

To administer command permissions, log in as super-user and:

1. Access the Command Permissions Categories form by entering change permiss io ns l ogi n [ lo gi n name]. When the form is displayed for a login, the default permissions for that “login type” are shown. The super-user administering the login can change a “y” to “n” for each subcategory field.

2. Select a category for the login and enter “y” in each field where permission to perform an administrative or maintenance action is needed. The command object you select must be within the permissions for the login type you are administering.

If the Maintenance option is set to “y” on the Customer Options form, the super-user can enter “y” in the Maintain Switch Circuit Packs? or Maintain Process Circuit Packs fields.

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3. A super-user with full super-user permissions (super-user administering

the login cannot have the Additional Restrictions field set to “y” for his/her own login) can restrict additional administrative or maintenance actions for a specified login by entering “y” in the Additional Restrictions field on the Command Permission Categories form. Enter the additional restrictions for a login in the Restricted object list fields on the Command Permission Categories Restricted Object List form. You can enter up to 40 command names (object names) to block actions associated with a command category for a specified login.

Page 1 of 3 COMMAND PERMISSION CATEGORIES Login Name: Sup3ru COMMON COMMANDS Display Admin. and Maint. Data? y System Measurements? _*

ADMINISTRATION COMMANDS Administer Stations? y Administer Features? y Administer Trunks? y Administer Permissions? y Additional Restrictions? n

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MAINTENANCE COMMANDS Maintain Stations? n Maintain Switch Circuit Packs? n Maintain Trunks? n Maintain Process Circuit Packs? n Maintain Systems? n

Screen 3-2. Command Permission Categories (Page 1 of 3)

*This field only displays on Release 5vs and Release 5si + memory systems.

Page 2 of 3

RESTRICTED OBJECT LIST _______________________ ______________________ _______________________ ______________________ _______________________ ______________________ _______________________ ______________________ _______________________ ______________________ _______________________ ______________________ _______________________ ______________________ _______________________ ______________________ _______________________ ______________________ _______________________ ______________________

COMMAND PERMISSION CATEGORIES

Screen 3-3. Command Permissions Categories (Page 2 of 3)

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COMMAND PERMISSION CATEGORIES

Screen 3-4. Command Permissions Categories (Page 3 of 3)

Table 3-1. Command Permissions Form Entries — Display Administration and

Maintenance

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Action

Object

Change Display List Monitor Remove Status

aar analysis X X aar digit-conversion X X aar rout e-chosen X abbreviated-dialing 7103A-buttons X abbreviated-dialing enhanced X abbreviated-dialing group X X abbreviated-dialing personal X X abbreviated-dialing system X aca-parameters X access-endpoint X X X X adjunct-names X adjunct-controlled-agents X administered-connection X X X agent-loginID X X alarms X X alias-station X alphanumeric-dial-table X

Tes

Continued on next page

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Table 3-1. Command Permissions Form Entries — Display Administration and

Maintenance — Continued

Action

Object

Change Display List Monitor Remove Status

alternate-frl X analog -testcall X announcements X ars anal ysis X X ars anal ysis X ars digit-conversion X ars digit-conversion X ars route-chosen X ars-toll X attendant X X bcms agent X bcms login ID s X bcms sp lit X bcms trunk X bcms vdn X board X bri-port X bridged-extensio ns X bullet in-board X button- lo cation-aca X cabinet X X call-forwardin g X call-screening X capacity X card-mem (MIPS Only) XX cdr-link XX circuit-packs X cleared-alarm-notif X communication-interface hop-channels X X communi cation-interface links X

Tes

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Table 3-1. Command Permissions Form Entries — Display Administration and

Maintenance — Continued

Action

Object

Change Display List Monitor Remove Status

communi cation-interface proc-ch annels X X config ur a tio n al l X config ura t io n bo ard X config ur a tio n ca r rie r X config ur a tio n co ntrol X config ura t io n ne twork X config ur a tio n so ftware X config ur a tio n station X config ura t io n tru nk X console-parameters X cor X X cos X coverage answer-group X X coverage groups X coverage path X X customer-alarm X data-module X X X X dialplan X digit-absorption X display-format X X do-not-disturb group X do-not-disturb station X ds1 X X dsp-msg-auto-wakeup X dsp-msg-call-identifier X dsp-msg-date-time X dsp-msg-lwc X dsp-msg-mct X dsp-msg-miscellaneous X dsp-msg-property-mgmt X

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Table 3-1. Command Permissions Form Entries — Display Administration and

Maintenance — Continued

Action

Object

Change Display List Monitor Remove Status

dsp-msg-s oftkey-label X dsp-msg-tod-routing X emergency X enp-number-plan X environment X errors X events X external-device-alarm extension-type X external-device-alarming X feature-access-code X fiber-link (MIPS Only) X X groups-of-extensions X hardware-group XX health X history X hunt-group X X inads-link X integrated-annc-boards X X intercom-group X X interface (MIPS Only) XX intra-switch-cdr X X isdn cp n-prefi x X isdn network-facilities X isdn-testcall X isdn tsc-gateway X ixc-codes X journal-printer X led X link XX

Tes

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Table 3-1. Command Permissions Form Entries — Display Administration and

Maintenance — Continued

Action

Object

Change Display List Monitor Remove Status

listed-directory-numbers X login X login (MI PS Only ) X login-i ds X maintenance X marked-port X mct-gro up - ex te ns io ns X mct-history X meas-selection coverage X meas-selection principal X meas-selection route-pattern X meas-s election trunk-gr oup X meas-selection wideband-trunk-grp X meas ure me nts security-viola ti ons detail X meas ure me nts security-viola ti ons

summary memory X MO X modem-pool X X X multi-frequency signal ing X network-control X node-routing X X packet-control (MIPS Only) XX packet-interface (MIPS Only) X paging code-calling-ids X X paging-loudspeaker X password X periodic-scheduled X permissions X personal-CO-line X X

Tes

Continued on next page

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Table 3-1. Command Permissions Form Entries — Display Administration and

Maintenance — Continued

Action

Object

Change Display List Monitor Remove Status

pgate X X pickup-group X X pkt X pms X pms-down X pms-link X pms-log X pnc X port X X station X X X svn-button-location X suspend-alm-orig X synchronization X X X sys-link X X system X system 1 s t-cabinet X system 2 nd-cabinet X system 3rd-cabinet X system a ll-cabinets X system conn X system customer-options X system features X system-maintenance X system-parameters cdr X system-parameters country-options X system-parameters hospitality X system-parameter s security X tdm X term-ext-group X X terminal-parameters 603/302B1 X

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Table 3-1. Command Permissions Form Entries — Display Administration and

Maintenance — Continued

Action

Object

Change Display List Monitor Remove Status

terminal-parameters 8400 X test-schedule X X time X time-of-day X toll X toll all X toll restricted-call X toll-list X toll unrestricted-call X tone-clock X trunk XXX trunk-group X X X trunk-group-history X trunk-group-members X tsc-administered X tti X udp X X unstaffed-agents X usage button-type hunt-ns X usage button-type trunk-ns X usage b utton-type nigh t-service X usage-extensions X usage-hunt X vdn X X X vector X X wakeup incomplete X wakeup requests X wakeup station X wakeup-log X

Tes

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Table 3-2. Command Permissions Form Entries — Administer Permissions

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Object

Add Change Display Enable Remove

Action

Table 3-3. Command Permissions Form Entries — Administer Stations

Object

Action

Add Change Duplicate Remove

abbreviated-dialing 7103A-b uttons X X X abbreviated-dialing enhanced X X X abbreviated-dialing group X X X abbreviated-dialing personal X X abbreviated-dialing system X X X alias-station X attendant X X X console-parameters data-module X X X X routing-table X X X station X X X X terminal-parameters 603/302B1 X terminal-parameters 8400 X vdn X X X vector X

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Table 3-4. Command Permissions Form Entries — Administer Trunks

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Object

Action

Add Change Display Duplicate Remove

aar analysis X aar digit-conversion X access-endpoint X X X X announcements X ars analysis X ars digit-conversion X ars toll X digit-absorption X meas-selection route-pattern X meas-selection trunk-group X meas-selection wideband-trunk-grp X modem-pool X X X personal-CO-line X X X pri-endpoint X X X X remote-access X X rhnpa X route-pattern X time-of-day X toll X trunk-group X X X

Testing a Login

1. Enter your login name at the login prompt.

Password:

Screen 3-5. Login Pro mpt Fo rm

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After the user enters the correct login name and password and the login is administered correctly, the system displays the command line interface.

To log into the system, do the following:

1. Turn on the administration terminal. Verify that the screen displays:

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2. Enter your login name, then press

Enter. Verify that the screen displays:

password:

3. Enter your password, then press

Enter.

For security reasons, the password is not displayed as you type it. The system verifies that a valid login and password name were entered. If an invalid login or password name was entered, the screen displays:

login incorrect:, and you must repeat the procedure. If the system recognizes the login and password name, verify that the

screen displays the software version.

4. For your terminal type, complete one of the following:

Terminal Type (Enter 513, 715, VT220, 4410, or 4425): [513]

a. If the terminal is a 513 BCT, press Enter. The 513 in brackets [513] is

the system default terminal.

b. If the terminal is a 610 BCT or a 615 MT that has a 513 emulation

cartridge, press

Enter.

c. If the terminal is a 610 BCT or a 615 MT that does not have a 513

emulation cartridge, enter 4410 and press

Enter.

d. If the terminal is any other of the types listed, enter the terminal type

and press

Enter.

5. You can deactivate INADS alarm origination whenever you log in as craft. After you supply the terminal type information requested, the system displays the following if alarm origination is activated on the Maintenance System-Parameters screen:

NOTE:

Unless you are in a special situation, please reduce unnecessary

trouble tickets by always answering “y” to the following prompt to suppress Alarm Origination.

Suppress Alarm Origination: [y]

The default answer is yes. If you do NOT wish to suppress alarm origination, enter no. Any other entry defaults to yes. The test inads-link command works regardless of whether you have overridden INADS alarm origination.

6. Verify that the screen displays:

enter command:

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You may enter the desired command, such as display station xxxx or

Help to obtain the list of permissible commands.

press

Command Line Details

After a successful login, the administration terminal displays enter command: and waits for entry of a command.

A command is made up of multiple words that are typed on the keyboard and

that instruct the system to perform a particular task. The system’s command structure follows the format: Action, Object, and Qualifier.

Action

The first word entered is the example, test, display, or reset).

. It specifies the operation to be done (for

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The second word entered is the action (for example, station, trunk group, or hunt group).

The third word(s) entered is/are the or digits used to further identify or complete the Object. Depending on the Object used, a Qualifier may or may not be used.

An example of a command line used to do a short test twice on a station with the extension number 1212 is: Action,

Spaces separate the Action, Object, and Qualifier on the command lin e.

Screen Forms

After the user completes a command line, the terminal displays the appropriate screen form(s). Screen forms are system-generated forms that are formatted to allow easy entry of translation data.

Screen forms enable the user to change the translations of the system by typing parameters on the keyboard. Screen forms also allow system technician to display errors and alarms. Each screen form consists of a title, page number, body area, and a help and error message line. Specific screen forms exist for each type of administrable function.

station

is the Object, and

Object

test station 1212 short r 2

. It specifies the object to receive the

Qualifier

. The Qualifier is one or more words

. In this example,

1212 short r 2

is the Qualifier.

test

is the

NOTE:

Command line words do not have to be completely spelled out. All that is required is to type enough letters to make the word unique.

DEFINITY Enterprise Communications Server Release 5.4 Administration and Feature Description

contains detailed information and examples of the screen

forms generated by the system.

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Switch-Based Bulletin Board

This feature will allow a user to leave messages in the system in order to communicate with other system users.

NOTE:

This feature is not intended as a substitute for the existing procedures for escalating problems, but only as an aid to the existing process.

Descrip tion

The bulletin board service provides an easy interface for the customer and Lucent Technologies to leave messages on the system .

The bulletin board feature makes it easy for the customer to communicate with Lucent Technologies (and vise-versa). For example, when a new load is installed on a switch in the customer’s system, Lucent Technologies can leave the customer messages which describe new functionality. This feature also allows Lucent Technologies to keep the customer informed on the progress of trouble items. In addition, the feature can be used by the customer to provide additional information concerning problems that have already been escal ated.

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Accessing the Bulletin Board

Any user with the appropriate permissions can log into the system and have

access to the bulletin board. User’s who have “Maintain System” or “Administer Features” permissions can enter, change, display, print, or schedule to print a message. Users who have “Display Admen” and “Maintain Data” permission can display the bulletin board. Any user who has “Display” permission can display, print, and schedule to print the contents of the bulletin board.

When logging onto the system, users will be notified of any messages on the bulletin board. The notification message will indicate the last time the bulletin board was updated, if any “High-Priority” message exists, and if the bulletin board is 80% or more full. If a “High-Priority” message exists, the command prompt will change to the following message:

■ High-Priority Bulletin Board Messages Entered:

After the next command is entered, the default command prompt returns to the screen.

User Considerations

■ Only one user at a time may edit a message on the bulletin board.

■ The user must have the proper permissions to access the bulletin board.

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■ The user must maintain the information stored on the bulletin board. It is

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the user’s responsibility to delete old messages. If the bulletin board is full, any new messages overwrite old messages.

System Considerations

The Bulletin Board feature provides up to 3 pages of text for each message. Each page is limited to 20 lines of text, and each line of text is limited to 40 characters per line. The first 10 lines of text on page 1 is reserved for Lucent Technologies Service’s High-Priority messages.

System Bulletin Board Commands

The system commands “change bulletin board,” “display bulletin board,” and existing commands in the user interface are provided for use in the Switch Based Bulletin Board.

Editing a Bulletin Board Message

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1. Log into the system with “Maintain System” or “Administer Features” permissions.

2. Enter the command “change bulletin-board.”

3. Follow system prompts.

To display messages on the Switch Based Bulletin Board the user must:

1. Log into the system with “Maintain System”, “Display Admin”, or “Maint Data” permissions.

2. Enter the command “display bulletin board.”

3. Follow system prompts.

Editing a Switch-Based Bulletin Board Message

A message may contain up to three pages of information. Message lines 1 through 10 on page 1 are reserved for Lucent Technologies Services

High-Priority

page one). Pages 2 and 3 will allow up to 20 lines of text, and each line of text may be up to 40 characters per line. Each line of text has an associated date field that is populated automatically by the system each time the line is modified.

The control keys used to edit existing feature forms must be used to edit a message in the Switch Based Bulletin Board. The following characters are allowed for use in the text field:

messages (the “init” and “inads” logins can edit the first 10 lines on

■ Uppercase/Lowercase letters, spaces, numerals, and !@#$%^&*()_

-+=[]{};’”<>./?.

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NOTE:

Tab characters are not allowed. The existing command line interface will cause the cursor to move to the next field if a Tab character is entered.

If a user changes any lines that cause two or more consecutive blank lines, then the bulletin board will be automatically reorganized (upon submittal). Two or more blank lines will be consolidated into a single blank line. If a blank line is at the top of a form, it will also be deleted. This function will help prevent holes in the bulletin board screens as old entries are deleted.

To save a message entered into the bulletin board text field, the user must execute the save translation comm and.

G3V3 software is required for the bulletin board feature. The bulletin board feature, as described in this document is available in G3V4. The G3V3/G3V4 feature on the systems-parameters customers-options form need not be enabled.

The following screen is an example of bulletin board messages between Lucent Technologies and a customer who is having trouble with trunk group translations:

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display bulletin-board Page 1 of 3

Messages (* indicates high-priority) Date

* AT&T is in the process of 02/02/95 * investigating your trunk lockup problem. 02/02/95 * The Bulletin Board will be updated as 02/02/95 * information is found. 02/02/95 * We have identified the problem. 02/02/95 * The trunk you added does not provide 02/02/95 * disconnect supervision, however your trunk 02/02/95 * group was administered as such. 02/02/95 * Please call for details. 02/02/95 * We recently added a new trunk group (14) 02/03/95 and have had trunk group members locking up. 02/03/95 We see the error - Thanks for checking. 02/03/95

System Logoff Procedure

The system logoff procedure should be done any time the terminal is not being used. This assures that system tran sl at i ons are not accidentally corrupted. The monitor system command, when canceled, automatically causes a terminal user to be logged off and, thus, prevents unauthorized use of the terminal. Use the following procedure to log off the system:

1. Verify that the screen displays: enter command:

2. Enter logoff and press

Enter. The screen displays:

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If after either logging on as system technician or issuing a system technician command no additional command is issued for 30 minutes, an automatic time-out and logoff occurs. At that time, any alarms in the system previously unreported to INADS are reported. If you are logged in at two separate administration terminals, the system waits until the second terminal times out or until you log off before reporting such alarms to INADS.

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Logoff Notification

significant security risk are enabled. A message displays on the system administration/maintenance interface. Additionally, the user can be required to acknowledge the notification before the logoff is completed.

DEC VT220 Terminal

The system supports use of the DEC VT220 connected to the system and used in the same way as the other terminals. When logging in, at the terminal-type

prompt the user should enter ”VT220” to initialize the correct parameters. Keyboard definitions shown in Table 3-5

Table 3-5. Keyboard Definitions for the DEC VT220 Terminal

FUNCTION VT220 KEY

Help Help ESC[28~ Previous Page Previous Screen ESC[5~ Next Page Next Screen ESC[6~ Cancel Remove ESC[3~ Execute Do ESC[29~

alerts system adminis trato rs if features that present a

are in effect:

ESCAPE SEQUENCE

Previous Field F17 ESC[31~ Next Field F18 ESC[32~ Clear Field F19 ESC[33~ Refresh F20 ESC[34~ Next Form Select ESC[4~ Up Arrow Up_Arrow ESC[A Down Arrow Down_Arrow ESC[B Right Arrow Right_Arrow ESC[C Left Arrow Left_Arrow ESC[D Update Form Find ESC[1~

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Initialization and Recovery

When the system is powered up, or when it experiences a catastrophic fault that interrupts its basic functions, the system undergoes a reboot. Besides “reboot,”

there are several less severe resets available to the system that allow it to recover from disrupting errors. The user can initiate these resets by using the reset system commands. These commands are used to manually restart the system at various levels, depending on the required test activity. The reset system commands are discussed in Chapter 8, ‘‘

Trouble-Clearing Aids’’.

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Maintenance Commands and

A system is reset due to a loss of power, or via one of the following:

■ Reset command s at the adminis tration terminal.

■ Maintenance software, from which the system can reset itself. (This

process starts when certain software and hardware errors are detected by the softwa r e .)

■ “Int erchang e,” which is a type of reset that can be scheduled as part of

daily maintenance in High or Critical Reliability systems.

WARNING:

When the system is rebooted or reset at level 2, 3, 4, or 5, all voice terminal and attendant console features are adversely affected. Users should be advised of services that are lost and that, as a

result, must be reactivated. See “Removing Power” in Chapter 5,

‘‘Routine Maintenance Procedures’’.

The administration terminal display and circuit pack LEDs indicate the progress of the recovery process. LEDs are discussed in Chapter 7, ‘‘

The sections that follow discuss successful system resets. For each level of reset, a typical administration terminal display is provided. Note that any

LED Interpretation’’.

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hexadecimal numbers shown in parentheses, such as”(=8B89),” are only examples and are subject to change. Subsequent sections discuss the recovery process following an SPE-Down Mode and for "duplication interface-processing element communication down."

NOTE:

If any of the diagnostic tests fail, the system may or may not function properly, and the LMM may or may not proceed with the restart. If the LMM does not proceed with the restart, the system goes into SPE-Down Mode. In failure cases, the appropriate part (for example, the Processor circuit pack) should be replaced.

NOTE:

Use and check the results of the set/get vector command found in the "Set Commands" section in Chapter 8, ‘‘

Trouble-Clearing Aids’’, to determine how much time should be added for

the recovery levels. Also, if an update file is applied on a system reset, add from 30 seconds to one minute to the recovery time for that reset.

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Maintenance Command s and

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Reset System 1 (System Warm Start)

This recovery takes about 30 seconds. All stable phone calls remain up. In-progress calls are dropped. No new calls can be made during this time.

In this restart, all software (Oryx/Pecos, drivers, maintenance, and so forth.) is reset.

Typical Display

RESET 1 (WARM) PERFORMED

Reset System 2 (System Cold Start Without T ranslation s L oad ing)

All Port circuit packs are reset. All telephone sessions are dropped. Telephones begin to reconnect to the switch within 30 seconds. In a large system, reconnection of all telephones may take up to five minutes.

In this restart, all software (Oryx/Pecos, drivers, maintenance, and so forth) is reset. In addition, the TDM Bus and all port circuit packs are reset. Typical displays in a Release 5vs/si system follow:

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Typical Display Release 5vs/si and Later Systems

INTERNAL REGISTER TEST PASSED LOCAL BUS TEST PASSED ROM CHECKSUM TEST PASSED CONTROL STATUS TEST PASSED DCACHE TEST PASSED ICACHE TEST PASSED WRITE BUFFER TEST PASSED BTO TEST PASSED TIMER TEST PASSED RESET 2 (COLD_2) PERFORMED

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Reset System 3 (System Cold Start With Translations Loading)

Emergency Transfer is invoked. Translations reload from translation card. Depending on the translations, the reloading process could take from five to 30 seconds. Thereafter, all port circuit packs are reset, and all telephone sessions drop. Telephones begin to reconnect to the switch within 30 seconds. In a large system, reconnection of all telephones may take up to five minutes.

In this restart, all software (Oryx/Pecos, drivers, maintenance, and so forth) is reset. After the software is reset, all translations load from translation card. In addition, the TDM Bus and all port circuit packs are reset. Typical displays in a Release 5 vs/si system follow:

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Typical Display (TN790 Release 5vs/si and Later Systems)

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Reset System 4 (System Reboot)

Emergency Transfer is invoked. The boot image is already in the flash ROM memory. The system reboots immediately after the LMM performs a series of diagnostics on the processor and memory. Translations reload from the translation card. Depending on the translation, the reloading process takes from five to 30 seconds.

Thereafter, all port circuit packs are reset, and all telephone sessions drop. Telephones begin to reconnect to the switch within 30 seconds. In a large system, reconnection of all telephones may take up to five minutes. Typical displays in a Release 5 system follo w:

Typical Display (TN790 Release 5 and Later)

INTERNAL REGISTER TEST PASSED LOCAL BUS TEST PASSED ROM CHECKSUM TEST PASSED CONTROL STATUS TEST PASSED DCACHE TEST PASSED ICACHE TEST PASSED

Continued on next page

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WRITE BUFFER TEST PASSED BTO TEST PASSED MEM CONFIG TEST PASSED MEMORY FUNCTIONAL TEST PASSED MEMORY MODULE A STUCK BIT TEST PASSED MEMORY MODULE A PARITY TEST PASSED MEMORY MODULE A BURST TEST PASSED MEMORY MODULE B STUCK BIT TEST PASSED MEMORY MODULE B PARITY TEST PASSED MEMORY MODULE B BURST TEST PASSED MEMORY MODULE C STUCK BIT TEST PASSED MEMORY MODULE C PARITY TEST PASSED MEMORY MODULE C BURST TEST PASSED

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Page 4-5Reset System 5 (Syste m Reboot and Run Al l 24-Hour Tests)

VIRTUAL MEMORY TEST PASSED EXECEPTION TEST PASSED TIMER TEST PASSED MTP TEST PASSED SANITY TIMER TEST PASSED ADDRESS MATCHER TEST PASSED FLASH TEXT CHECKSUM TEST PASSED DECOMPRESSING IDATA in_cnt = 455532,

RAM DATA CHECKSUM TEST PASSED RESET 4 (EXT REBOOT) PEFORMED

Reset System 5 (System Reboot and Run All 24-Hour Tests)

out_cnt = 1802240

Continued on next page

Emergency Transfer is invoked. The LMM performs a series of diagnostics on the processor, on memory, and on memory card. Some diagnostics perform twice. This takes less than three minutes.

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The boot image is already in the flash ROM memory. The system reboots immediately after the LMM performs a series of diagnostics on the processor and memory. Translations reload from the translation card. Depending on the translation, the reloading process takes from five to 30 seconds. Thereafter, all port circuit packs are reset, and all telephone sessions drop. Telephones begin to reconnect to the switch within 30 seconds. In a large system, reconnection of all telephones may take up to five minutes. Finally, scheduled maintenance is initiated. Typical displays in a Release 5vs/si system follow:

Typical Display (TN790 Release 5 and Later)

INTERNAL REGISTER TEST PASSED LOCAL BUS TEST PASSED ROM CHECKSUM TEST PASSED CONTROL STATUS TEST PASSED DCACHE TEST PASSED

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ICACHE TEST PASSED WRITE BUFFER TEST PASSED BTO TEST PASSED MEM CONFIG TEST PASSED MEMORY FUNCTIONAL TEST PASSED MEMORY MODULE A STUCK BIT TEST PASSED MEMORY MODULE A PARITY TEST PASSED MEMORY MODULE A BURST TEST PASSED MEMORY MODULE A COUPLE TEST PASSED MEMORY MODULE B STUCK BIT TEST PASSED MEMORY MODULE B PARITY TEST PASSED MEMORY MODULE B BURST TEST PASSED MEMORY MODULE B COUPLE TEST PASSED MEMORY MODULE C STUCK BIT TEST PASSED MEMORY MODULE C PARITY TEST PASSED MEMORY MODULE C BURST TEST PASSED MEMORY MODULE C COUPLE TEST PASSED VIRTUAL MEMORY TEST PASSED

Continued on next page

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EXECEPTION TEST PASSED TIMER TEST PASSED MTP TEST PASSED SANITY TIMER TEST PASSED ADDRESS MATCHER TEST PASSED FLASH TEXT CHECKSUM TEST PASSED DECOMPRESSING IDATA in_cnt = 455532,

RAM DATA CHECKSUM TEST PASSED RESET 5 (EXT REBOOT ) PEFORMED

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out_cnt = 1802240

Continued on next page

Reset Sy s te m Interchange (High or Critical Reliability Systems Only)

SPE-interchange (system hot start) is denoted by an "i" in the initcauses log. This restart is used to transfer control from the Active SPE to the Standby SPE in the least disruptive manner. Interchange (i) is the most transparent of all levels of restart and causes no disruption of service to telephone users. This restart takes fewer than two seconds.

NOTE:

The administration terminal is logged off. No diagnostics are performed, and only the login prompt displays.

An interchange (i) can be performed in one of the following three ways:

a. System Technician-Demanded: using the reset system interchange

command

b. Scheduled Maintenance c. Software-Requested: The software requests the interchange when it

determines that the Standby SPE is healthier than the current Active SPE

NOTE:

For most SPE alarms, interchange to the standby SPE is achieved using the hot restart (i). However, there may be other alarms for which another restart level (1 through 4) must be used to achieve a transition to the Standby SPE. See Table 6-1

Condit io n s ” in Chapter 6, ‘‘Reliability Systems: A Maintenance Aid’’, for a

complete list of alarms and restart levels.

, “Software-Requested Interchanges Caused by Alarm

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Procedure for SPE-Down Mode

Due to fatal hardware and software problems, it is possible for a system to go into SPE-Down Mode. In this mode, the system invokes emergency transfer and does not provide any other service. Moreover, while in this mode, the software does not (or cannot) run at all. In a high or critical reliability system the system goes into SPE-Down mode only when both SPEs go into SPE- Down mode.

There is an interface to the system by maintenance. The Processor circuit pack, is responsible for maintenance in a standard reliability system. In a high or critical reliability system, the maintenance is provided by the A-carrier Duplication Interface (DUPINT-A) TN772 circuit pack with help from the processor.

The administration terminal, which connects directly to the processor in a standard reliability system and to DUPINT-A in a high or critical reliability system, provides a very limited interface to the system. Technicians can display alarms or restart the system. Only a subset of control complex alarms displays.

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The following are sample displays for SPE-Down mode and the alarms displayed.

Display for SPE-Down in a Standard Reliability system:

************* *SP E D OW N MODE********** *** You can display alarms and reset system(4). SPE_DOWN->

Screen 4-1

and Screen 4-2 show all possible SPE-Down ala rms in a standard

reliabil ity s y st em and in a high or cr iti ca l re liability syst em, respective ly .

DISPLAY ALARMS:

Physical Logical On Alternate Alarm Date Date Name Name Board? Name Type Alarmed Resolved

------ PROC_BD y ----- MAJOR ------ ------

------ MEM_BD_0 y ----- MAJOR ------ ------

------ M_BUS y ----- MAJOR ------ ------

------ MAINT* y ----- MAJOR ------ ------

------ NETCON_BD y ----- MAJOR ------ ------

------ TAPE_UNIT ------ ----- MAJOR ------ ------

------ NO_TAPE ------ ----- MAJOR ------ ------

Screen 4-1. Display Alarms Command

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* The “MAINT” designation is used for PR-MAINT.

Display for SPE-Down in a High or C ritical Reliab ili ty Sy stem:

************* *SP E D OW N MODE********** ** You can display alarms [a|b] and reset system(4) [a|b]. SPE_DOWN->

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Screen 4-2

shows only one SPE-Down alarm in a high or critical reliability system

after entering the display b command:

DISPLAY ALARMS B:

Physical Logical On Alternate Alarm Date Date Name Name Board? Name Type Alarmed Resolved

------ PROC_BD y ----- MAJOR ------ ------

Screen 4-2. Display Alarms (one SPE-Down)

NOTE:

A standard rel iabili ty system t ries to rest art i tse lf ever y 20 m inutes. A hig h or critical system tries to re sta rt itself every 10 minutes.

The first step is to determine the location of the problem. It is possible for two or more circuit packs to have failed. It is also possible for a fatal problem with one circuit pack to affect another circuit pack. This is especially true for the Processor and Memory circuit packs, where a failure in one affects the other. All three of the following methods should be employed to determine where the fatal fault lies.

1. Use display alarms command: Issuing t he display alarms [a | b] command at the administration terminal

shows where maintenance thinks the problem lies. The alarms are a good indication of why the system went down. They should be used with the following two methods.

2. Observe red LEDs: Observe the red LEDs on the circuit pack to determine where software or

processor firmware (LMM) had a problem.

3. Use the reset command: In 286 system, issuing th e reset command (Standard Reliability system) or

the reset [a | b ] command (High or Critical Reliabil it y system) causes the system to attempt a reset system 4. Observe all the diagnostics on the screen, and note if the LMM has a problem with any of the diagnostics, as this information should give a good indication of where the problem lies.

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The procedure to get a system out of SPE-Down mode follows.

NOTE:

This is important! If you cannot complete the first step or have problems with the maintenance interface, then the first step should be to replace the Processor circuit pack. In a high or critical reliability system the DUPINT-A circuit pack can also cause SPE-Down.

1. If the alarms indicate a tape failure, replace the tape or tape drive and go to Step 3. Otherwise, verify that there is a good tape in the tape drive. If a tape is not present or if either the tape or tape drive is defective, then restarting the system using the reset command causes the system to go down again.

2. In a High or Critical Reliabili ty system, select a carrier to repair first. When it is possible to accurately determine the location of the problem,

use the display alarms [a | b ] command to display alarms for both SPEs and check the red LEDs on the processor complex circuit packs. Select the carrier where the red LEDs indicate the circuit pack alarmed. Bring up the system on that carrier and then refer to Standby SPE Maintenance documentation to repair the Standby SPE.

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In a Standard Reliability system or after a carrier is chosen in a High or Critical Reliability system, determine which circuit pack is defective by displaying alarms and observing the red LEDs (as discussed previously). Depending on the alarms, use Table 4-1

to replace the circuit packs

indicated, one by one, in the order shown.

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Table 4-1. Order of Circuit Pack Replacement

PROC_BD 1) Processor

MEM_BUS 1) Processor

PROC_MEM 1) Processor OFFBD_MEM 1) Processor

INVALID_ERR 1) Processor

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Alarm Suggested Circuit Pac ks

To Replace

2) Network Control

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MAINT_BD 1) Processor

2) Network Control

NETCON_ABSENT 1) Network Control

2) Processor

NO_CARTRIDGE 1) Memory Card

2) Network Control

3) Processor

Procedure for Dup licat ion Interface — Processing Element Communication Down

In a High or Critical Reliabil i ty system, it is possible for both SPEs to stop communicating with the A-carrier TN772 Duplication Interface (DUPINT-A) circuit pack. Thus, the DUPINT-A, which is in charge of maintenance, prints the following message on the administration terminal:

Duplication Interface-Processing Element Communication down

The system may continue to function on one of the SPEs. However, the system is not able to provide any interface to the administration terminal.

If the system is still providing service, connect the administration terminal to the Active SPE (check the amber LED on the Processor circuit pack). Then, if

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software provides a login on the administration terminal, you can determine the problems via the display alarms command.

If the system is not providing service, there is a problem with the Processor circuit packs and/or DUPINT-A. Replace these circuit packs, one by one, until the system starts functioning normally.

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Page 4-12Procedure for Duplication Interface — Processing Element Communication Down

Lucent Technologies DEFINITY User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

About This Book

General

Conven tions Used in Th is Document

Organization

Safety Precautions

Electromagnetic Interfer ence

Static Electricity

Class 1 Laser Device

Security Issues

Standards Compliance

Electromagnetic Compatibility Standards

European Union Standards

Trademar ks a nd Se rvice Marks

Related Documents

Federal Comm unications Commissi on Statement

Part 68: Statement

Means of Connection

Maintenance Architecture

Maintenance Objects

Alarm and Error Reporting

Maintenance Testing

Protocols

Layers

Usage

Layer-1 Protocols

Layer-2 Protocols

Protocol States

Connectivity Rules

Disconnect Supervision

Transfer on Ringing

Conference, Transfer, and Call-Forwar ding Denial

Transmission Characteristics

Frequency Response

Intermodulation Distortion

Quantization Distortion Loss

Impulse Noise

ERL and SFRL Talking State

Peak Noise Level

Echo Path Delay

Service Codes

Facility Interface Codes

Multimed ia I nt er face (M MI )

Circuit Packs and Power

Circui t Pa c ks

Power

Single-Carrier Cabinets

Management Terminals

Management Terminals

General

Terminal Keyboard

System Login Procedure

Forced Password Aging and Administrable Logins

To Log In

To Logoff

To Display a Login

To List Logins

To Remove a Login

To Test a Login

Administering Login Command Permissions

Command Line Details

Screen Forms

Switch-Based Bulletin Board

Descrip tion

Accessing the Bulletin Board

User Considerations

System Considerations

System Bulletin Board Commands

Editing a Bulletin Board Message

Editing a Switch-Based Bulletin Board Message

System Logoff Procedure

DEC VT220 Terminal

Initialization and Recovery

Reset System 1 (System Warm Start)

Typical Display Release 5vs/si and Later Systems

Reset System 4 (System Reboot)

Typical Display (TN790 Release 5 and Later)