Engineering networks for synchronization, CCS 7, and ISDN : standards, protocols, planning, and testing / P.K. Bhatnagar.
By: Bhatnagar, P. K.
Contributor(s): IEEE Communications Society.
Material type: BookSeries: Telecommunications handbook series: Publisher: New York : Institute of Electrical and Electronics Engineers, Inc., 1997Description: xxi, 488 p. : ill. ; 26 cm.ISBN: 0780311582.Subject(s): Synchronous data transmission systemsDDC classification: 621.382Item type | Current library | Call number | Copy number | Status | Date due | Barcode | Item holds |
---|---|---|---|---|---|---|---|
General Lending | MTU Bishopstown Library Lending | 621.382 (Browse shelf(Opens below)) | 1 | Available | 00086315 |
Enhanced descriptions from Syndetics:
In view of the extensive development of CCS 7 and fast-paced growth of ISDN in telecommunication networks throughout the world, this valuable resource serves as a timely reference and guide. Practical and up-to-date, Engineering Networks for Synchronization, CCS 7, and ISDN provides in-depth instruction on three important and closely related elements of the modern digital network: network synchronization, CCITT Common Channel Signaling System No. 7 (CCS 7), and Narrowband ISDN.
"IEEE Communications Society, sponsor.".
Includes bibliographical references and index.
Table of contents provided by Syndetics
- Series Editor's Note (p. xvii)
- Foreword (p. xix)
- Preface (p. xxi)
- Chapter 1 Introduction (p. 1)
- Chapter 2 Digital Network Synchronization: Basic Concepts (p. 6)
- 2.1 Introduction (p. 7)
- 2.2 The Concept of a Slip (p. 8)
- 2.3 Aligners for Terminating Digital Links (p. 9)
- 2.4 Timing Impairments: Jitter and Wander (p. 11)
- 2.4.1 Jitter (p. 11)
- 2.4.2 Wander (p. 12)
- 2.5 Impact of Slips (p. 12)
- 2.6 Network Performance Objectives for Slip Control (p. 13)
- 2.7 Parameters Linked to Clock Behavior (p. 15)
- 2.7.1 Frequency Accuracy and Stability (p. 15)
- 2.7.2 Time Interval Error (TIE) and Maximum Time Interval Error (MTIE) (p. 17)
- 2.8 Atomic and Quartz Clocks (p. 17)
- 2.8.1 The Cesium Beam Frequency Standard (p. 19)
- 2.8.2 Quartz Clocks (p. 21)
- 2.9 Synchronization Methods (p. 21)
- 2.9.1 Plesiochronous Mode (p. 21)
- 2.9.2 Synchronous Mode (p. 23)
- 2.10 Primary Reference Source (PRS) (p. 25)
- 2.10.1 Primary Reference Source (PRS) Specification (p. 25)
- 2.10.1.1 Frequency Accuracy (p. 25)
- 2.10.1.2 Phase Discontinuity (Phase Hits) (p. 25)
- 2.10.1.3 Long-Term Phase Variations (p. 26)
- 2.10.2 Typical Configurations for the Primary Reference Source (p. 28)
- 2.11 PRS Implementation in Telecommunication Networks (p. 29)
- 2.12 Synchronization Equipment at Slave Nodes (p. 29)
- 2.13 Specification of Slave Clocks (p. 31)
- 2.13.1 Free-Run Accuracy, Holdover Stability, and Pull-In Range (p. 31)
- 2.13.2 Maximum Relative Time Interval Error (MRTIE) (p. 31)
- 2.13.3 Phase Discontinuity (p. 33)
- 2.14 Jitter and Wander Specifications for Digital Networks (p. 35)
- 2.14.1 Permissible Wander at the Output (p. 37)
- 2.14.2 Permissible Jitter at the Output (p. 37)
- 2.14.3 Jitter and Wander Tolerance at Input Ports (p. 37)
- 2.15 Wander Model for the Synchronized Network (p. 39)
- 2.16 Remarks (p. 39)
- References (p. 40)
- Chapter 3 Planning, Testing, and Monitoring Network Synchronization (p. 42)
- 3.1 Introduction (p. 43)
- 3.2 Network Synchronization Planning (p. 43)
- 3.2.1 Primary Reference Source (PRS) Timing (p. 43)
- 3.2.1.1 Considerations for Implementation of an Autonomous PRS (p. 44)
- 3.2.1.2 Considerations for Implementation of a Nonautonomous PRS (p. 45)
- 3.2.2 Transport of Reference Timing between Network Nodes (p. 46)
- 3.2.2.1 Criteria for Selection and Prioritization (p. 46)
- 3.2.3 Intrabuilding Timing Distribution in the U.S. Network (p. 47)
- 3.2.4 Avoidance of Timing Loops (p. 50)
- 3.3 Testing and Validation (p. 52)
- 3.3.1 Tests on Free-Running Clocks (p. 53)
- 3.3.2 Tests for Synchronized Unstressed Operation (p. 53)
- 3.3.3 Tests for Synchronized Stressed Operation (p. 54)
- 3.3.4 Holdover Mode Testing (p. 55)
- 3.3.5 Tests Prescribed for the U.S. Network (p. 55)
- 3.4 Monitoring Network Synchronization (p. 56)
- 3.5 Remarks (p. 57)
- References (p. 57)
- Chapter 4 CCS 7: General Description (p. 59)
- 4.1 Introduction (p. 60)
- 4.2 Principles and Terminology (p. 61)
- 4.3 Pros and Cons: CCS 7 versus Channel-Associated Signaling (CAS) (p. 65)
- 4.4 Organization of Signaling Information (p. 67)
- 4.5 Layered Approach in CCS 7 (p. 68)
- 4.6 The Message Transfer Part (MTP) (p. 71)
- 4.6.1 Signaling Data Link (Level 1) (p. 71)
- 4.6.2 Signaling Link Functions (Level 2) (p. 71)
- 4.6.3 Signaling Network Functions (Level 3) (p. 72)
- 4.7 User Parts (p. 74)
- 4.7.1 ISDN User Part (ISUP) (p. 74)
- 4.7.2 Signaling Connection Control Part (SCCP) (p. 77)
- 4.7.2.1 Enhanced Addressing Capability (p. 78)
- 4.7.2.2 Connectionless and Connection-Oriented Services (p. 78)
- 4.8 CCS 7 Numbering and Network Structure (p. 80)
- 4.8.1 CCS 7 Numbering (p. 80)
- 4.8.2 CCS 7 Performance Objectives (p. 81)
- 4.9 Remarks (p. 82)
- References (p. 82)
- Chapter 5 Introduction to ISDN (p. 88)
- 5.1 Introduction (p. 89)
- 5.2 Customer Premises in the ISDN (p. 91)
- 5.3 Protocol Architecture in the ISDN (p. 93)
- 5.4 Physical Layer in Basic Access (p. 95)
- 5.4.1 Wiring Arrangement (p. 95)
- 5.4.2 Power Feeding (p. 98)
- 5.4.2.1 Powering of Terminals Across the Interface (p. 98)
- 5.4.2.2 TEs Powered Locally (p. 102)
- 5.4.3 Data Transport between NT and TEs (p. 102)
- 5.4.3.1 Coding (p. 102)
- 5.4.3.2 Framing (p. 103)
- 5.4.3.3 Multiframing: M Bit (p. 106)
- 5.4.3.4 Resolving D-Channel Access: E Bit (p. 106)
- 5.4.3.5 Activation and Deactivation of Terminals and the NT (p. 107)
- 5.4.4 Timing Aspects (p. 111)
- 5.4.5 Electrical Characteristics (p. 111)
- 5.4.6 Line Transmission and Coding for Basic Access (p. 114)
- 5.4.7 Frames and Multiframes on the Digital Subscriber loop (DSL) (p. 117)
- 5.4.8 Start-Up Procedure (p. 118)
- 5.5 Primary Rate ISDN (p. 121)
- References (p. 121)
- Chapter 6 Functions of the CCS 7 Signaling Link Level (p. 122)
- 6.1 Introduction (p. 122)
- 6.2 Signal Unit Formats (p. 124)
- 6.3 Signal Unit Delimitation (p. 125)
- 6.4 Signal Unit Alignment (p. 126)
- 6.5 Error Detection (p. 126)
- 6.6 Error Correction (p. 127)
- 6.6.1 Basic Method (p. 127)
- 6.6.1.1 Positive Acknowledgment (p. 128)
- 6.6.1.2 Negative Acknowledgment (p. 129)
- 6.6.2 Preventive Cyclic Retransmission (PCR) Method (p. 130)
- 6.6.3 Criteria for Selection: Basic versus Preventive Cyclic Retransmission (PCR) (p. 131)
- 6.7 Initial Alignment Procedure (p. 131)
- 6.8 Processor Outage (p. 135)
- 6.9 Error Rate Monitoring (p. 136)
- 6.9.1 Signal Unit Error Rate Monitor (SUERM) (p. 136)
- 6.9.2 Alignment Error Rate Monitor (AERM) (p. 137)
- 6.10 Flow Control (p. 138)
- 6.11 Remarks (p. 139)
- References (p. 139)
- Chapter 7 Signaling Network Functions in CCS 7 (p. 140)
- 7.1 Introduction (p. 141)
- 7.2 Level 3 Message Format (p. 142)
- 7.2.1 Service Information Octet (SIO) (p. 144)
- 7.2.2 The Routing Label (p. 146)
- 7.3 Signaling Message Handling (p. 147)
- 7.3.1 Message Discrimination and Message Distribution Functions (p. 147)
- 7.3.2 Message Routing Function (p. 148)
- 7.3.3 Load Sharing (p. 149)
- 7.3.3.1 Load Sharing in the U.S. Network (p. 152)
- 7.4 Signaling Network Management (p. 154)
- 7.5 Signaling Link Management (p. 154)
- 7.5.1 Signaling Data Link and Signaling Terminal Allocation (p. 155)
- 7.5.2 Signaling Link Activation (p. 157)
- 7.5.3 Signaling Link Restoration (p. 157)
- 7.5.4 Signaling Link Deactivation (p. 158)
- 7.5.5 Signaling Link Set Activation (p. 158)
- 7.6 Signaling Traffic and Signaling Route Management (p. 159)
- 7.6.1 Changeover (p. 159)
- 7.6.1.1 Emergency Changeover (p. 162)
- 7.6.1.2 Time-Controlled Changeover (p. 163)
- 7.6.2 Changeback (p. 163)
- 7.6.3 Transfer Prohibited (p. 164)
- 7.6.4 Response to Transfer Prohibited: Forced Rerouting (p. 166)
- 7.6.5 Transfer Restricted (p. 166)
- 7.6.6 Transfer Allowed (p. 167)
- 7.6.7 Response to Transfer Allowed: Controlled Rerouting (p. 167)
- 7.6.8 Signaling Route Set Test (p. 168)
- 7.6.9 Management Inhibiting (p. 168)
- 7.6.10 Message Transfer Part (MTP) Restart (p. 171)
- 7.6.10.1 Actions at a Node Adjacent to the Restarting Node (p. 173)
- 7.6.11 Signaling Traffic Flow Control (p. 174)
- 7.6.11.1 Signaling Link Congestion (p. 174)
- 7.6.12 Signaling Route Set Congestion (p. 177)
- 7.7 Summary of Level 3 Timers (p. 179)
- References (p. 180)
- Chapter 8 ISDN: Services and Protocols (p. 181)
- 8.1 Introduction (p. 182)
- 8.2 ISDN Services (p. 182)
- 8.3 ISDN Bearer Services (p. 183)
- 8.3.1 Information Transfer Attributes (p. 184)
- 8.3.2 Access Attributes and General Attributes (p. 186)
- 8.3.3 Bearer Service Categories (p. 187)
- 8.3.3.1 64 kbps Unrestricted, 8 kHz Structured Bearer Service Category (p. 188)
- 8.3.3.2 64 kbps, 8 kHz Structured Bearer Service Category Usable for Speech Information Transfer (p. 189)
- 8.3.3.3 Circuit Mode 64 kbps, 8 kHz Structured Bearer Service Category Usable for 3.1 kHz Audio Information Transfer (p. 189)
- 8.3.3.4 Alternate Speech/64 kbps Unrestricted, 8 kHz Structured Bearer Service Category (p. 189)
- 8.3.3.5 2 x 64 kbps Unrestricted, 8 kHz Structured Bearer Service Category (p. 190)
- 8.3.3.6 Other Multirate Bearer Services (p. 190)
- 8.3.3.7 64 kbps, 8 kHz Structured Multiuse Bearer Service Category (p. 190)
- 8.3.3.8 Multirate Unrestricted 8 kHz Structured Bearer Service Category (p. 190)
- 8.4 ISDN Teleservices (p. 191)
- 8.5 ISDN Supplementary Services (p. 192)
- 8.5.1 Number Identification Supplementary Services (p. 193)
- 8.5.1.1 Calling Line Identification Presentation (CLIP) (p. 193)
- 8.5.1.2 Calling Line Identification Restriction (CLIR) (p. 193)
- 8.5.1.3 Connected Line Identification Presentation (COLP) (p. 194)
- 8.5.1.4 Connected Line Identification Restriction (COLR) (p. 194)
- 8.5.1.5 Direct Inward Dialing Service (p. 194)
- 8.5.1.6 Multiple Subscriber Number (MSN) Supplementary Service (p. 195)
- 8.5.1.7 Malicious Call Identification (MCID) Supplementary Services (p. 195)
- 8.5.1.8 Subaddressing Supplementary Services (p. 195)
- 8.5.2 Call Offering Supplementary Services (p. 195)
- 8.5.2.1 Call Transfer (CT) (p. 196)
- 8.5.2.2 Call Forwarding Services (p. 197)
- 8.5.2.3 Call Deflection (CD) (p. 198)
- 8.5.2.4 Line Hunting (LH) (p. 199)
- 8.5.3 Call Completion Supplementary Services (p. 199)
- 8.5.3.1 Call Waiting (CW) (p. 199)
- 8.5.3.2 Call Hold (HOLD) (p. 200)
- 8.5.3.3 Completion of Calls to Busy Subscribers (CCBS) (p. 201)
- 8.5.3.4 Terminal Portability (p. 201)
- 8.5.4 Multiparty Supplementary Services (p. 201)
- 8.5.4.1 Conference Calling (CONF) (p. 201)
- 8.5.4.2 Three-Party Supplementary Service (p. 202)
- 8.5.5 Community of Interest Supplementary Services (p. 202)
- 8.5.5.1 Closed User Group (CUG) (p. 203)
- 8.5.5.2 Private Numbering Plan (PNP) (p. 203)
- 8.5.5.3 Multilevel Precedence and Preemption Service (MLPP) (p. 203)
- 8.5.5.4 Priority Service (p. 204)
- 8.5.5.5 Outgoing Call Barring (p. 204)
- 8.5.6 Charging Supplementary Services (p. 205)
- 8.5.6.1 Credit Card Calling (CRED) (p. 205)
- 8.5.6.2 Advice of Charge (AOC) (p. 205)
- 8.5.6.3 Reverse Charging (p. 205)
- 8.5.7 Additional Information Transfer (p. 206)
- 8.5.7.1 User-to-User Signaling (p. 206)
- 8.6 International and European Standards on Supplementary Services (p. 206)
- 8.7 Mutual Interaction between Supplementary Services (p. 20)
- 8.8 Link Access Procedure in D-Channel (LAPD) (p. 209)
- 8.8.1 Services Provided by Layer 2 (p. 212)
- 8.8.2 Frame Format (p. 213)
- 8.8.3 Functions Performed by Layer 2 (p. 214)
- 8.8.3.1 Delimitation Function: Opening and Closing Flags (p. 214)
- 8.8.3.2 Error Detection (p. 215)
- 8.8.3.3 Address Field: Multiplexing Logical Data Links (p. 215)
- 8.8.3.4 The Control Field: Frame Types, Sequencing, Error Correction, and Flow Control (p. 216)
- 8.8.4 Terminal Endpoint Identifier (TEI) Management (p. 220)
- 8.8.4.1 TEI Assignment Procedure (p. 220)
- 8.8.4.2 TEI Check Procedure (p. 223)
- 8.8.4.3 TEI Removal Procedure (p. 224)
- 8.8.4.4 TEI Identity Verify Procedure (p. 225)
- 8.8.5 Multiple Frame Operation Procedure (p. 225)
- 8.8.5.1 Establishing a Data Link Connection (p. 225)
- 8.8.5.2 Multiple Frame Transfer between Data Link Entities (p. 226)
- 8.8.5.3 Disconnection of Data Link (p. 228)
- 8.8.6 Summary of Layer 2 Timers and Associated Parameters (p. 228)
- 8.9 Layer 3 Protocol in Digital Subscriber Signaling System 1 (DSS 1) (p. 229)
- 8.9.1 Format of Layer 3 Messages (p. 230)
- 8.9.1.1 Protocol Discriminator (p. 231)
- 8.9.1.2 Call Reference (p. 231)
- 8.9.1.3 Message Type (p. 232)
- 8.9.2 Message Specific Part: Information Elements (p. 236)
- 8.9.3 Basic Call Control Procedure (p. 236)
- 8.9.3.1 Call Establishment at the Originating ISDN Interface (p. 236)
- 8.9.3.2 Call Establishment at the Destination ISDN Access (p. 245)
- 8.9.3.3 Call Clearing (p. 247)
- 8.9.4 Control of ISDN Supplementary Services (p. 248)
- 8.9.4.1 Control Procedure for the Call Hold Supplementary Service (p. 250)
- 8.10 Remarks (p. 252)
- References (p. 252)
- Chapter 9 CCS 7 ISDN User Part (p. 263)
- 9.1 Introduction (p. 264)
- 9.2 ISUP Message Format (p. 264)
- 9.3 ISUP Signaling Procedures for Basic Call Control (p. 267)
- 9.3.1 Basic Call Control for En Bloc Signaling (p. 267)
- 9.3.1.1 Connection Setup (p. 267)
- 9.3.1.2 Connection Release (p. 279)
- 9.3.2 Basic Call Control for Overlap Signaling (p. 282)
- 9.4 Continuity Check (CC) (p. 284)
- 9.5 Supervision of Speech/Data Circuits by ISUP (p. 287)
- 9.5.1 Circuit Group Query (p. 287)
- 9.5.2 Blocking and Unblocking of Circuits or Circuit Groups (p. 289)
- 9.5.2.1 Blocking of Circuits (p. 290)
- 9.5.2.2 Unblocking of Circuits (p. 291)
- 9.5.3 Blocking and Unblocking of Circuit Groups (p. 292)
- 9.5.4 Reset of Circuits and Circuit Groups (p. 293)
- 9.6 Treatment of Abnormal Conditions (p. 294)
- 9.6.1 Dual Seizures (p. 294)
- 9.6.2 Errored, Unexpected, or Unrecognized Messages (p. 295)
- 9.6.2.1 Actions for Errored Messages (p. 296)
- 9.6.2.2 Actions for Unexpected Messages (p. 296)
- 9.6.2.3 Actions for Unrecognized Messages (p. 297)
- 9.6.2.4 Actions for Unrecognized Parameters (p. 300)
- 9.6.2.5 Actions for Unrecognized Parameter Values (p. 301)
- 9.6.3 Unequipped Circuit Identification Code (p. 301)
- 9.6.4 ISDN User Part Unavailable (p. 302)
- 9.7 Congestion Control (p. 303)
- 9.7.1 ISUP Signaling Congestion Control (p. 304)
- 9.7.2 Automatic Congestion Control (ACC) (Calling Traffic Overload Control) (p. 304)
- 9.7.3 Temporary Trunk Blocking (p. 305)
- 9.8 ISUP Call Setup for Supplementary Services (p. 306)
- 9.8.1 ISUP Procedure for Calling Line Identification Presentation (CLIP) (p. 306)
- 9.8.2 Malicious Call Identification (MCID) Supplementary Service (p. 310)
- 9.9 Remarks (p. 312)
- References (p. 312)
- Chapter 10 CCS 7 Planning and Implementation (p. 314)
- 10.1 Introduction (p. 315)
- 10.2 Performance Objectives (p. 315)
- 10.2.1 Hypothetical Signaling Reference Connection (HSRC) (p. 316)
- 10.2.2 Signaling Delays (p. 317)
- 10.2.3 Message Transfer Part (MTP) Performance (p. 319)
- 10.2.3.1 Availability Objective (p. 319)
- 10.2.3.2 Dependability Objective (p. 320)
- 10.2.3.3 Message Transfer Time (p. 321)
- 10.2.4 Performance Objectives for the ISUP (p. 326)
- 10.3 CCS 7 Network Structure (p. 326)
- 10.3.1 Mode of Signaling (p. 327)
- 10.3.2 U.S. Signaling Network Structure (p. 330)
- 10.3.3 Signaling Point Code (p. 332)
- 10.3.3.1 Structured versus Structureless Point Code (p. 333)
- 10.3.3.2 Numbering of Point Codes in the U.S. Network (p. 334)
- 10.3.4 Dimensioning of Signaling Link Load (p. 335)
- 10.4 Implementation Planning for CCS 7 (p. 338)
- 10.4.1 CCS 7 Planning Tools (p. 340)
- 10.5 Selection of User Parts: Telephone User Part (TUP) versus ISDN User Part (ISUP) (p. 340)
- 10.6 Monitoring CCS 7 Networks (p. 342)
- 10.7 National CCS 7 Standards (p. 343)
- 10.8 Remarks (p. 346)
- References (p. 346)
- Chapter 11 Testing in CCS 7 (p. 348)
- 11.1 Introduction (p. 349)
- 11.2 Testing Equipment for CCS 7 (p. 350)
- 11.2.1 Monitoring Functions (p. 350)
- 11.2.2 Simulation Functions (p. 351)
- 11.3 On-Line Signaling Link Test Procedure (p. 352)
- 11.4 Validation and Compatibility Testing (p. 354)
- 11.4.1 Level 2 MTP Testing (p. 354)
- 11.4.1.1 Level 2 Test Examples (p. 355)
- 11.4.2 Level 3 Tests (p. 367)
- 11.4.2.1 Level 3 Test Examples (p. 368)
- 11.4.3 ISUP Testing (p. 380)
- 11.5 CCS 7 Testing during Testing of a Switching System (p. 387)
- References (p. 389)
- Chapter 12 Packet and Frame Mode Services in the ISDN (p. 391)
- 12.1 Introduction (p. 392)
- 12.2 Minimum Integration Scenario (p. 393)
- 12.3 Maximum Integration Scenario (p. 395)
- 12.3.1 Packet Calls on a B-Channel (p. 396)
- 12.3.2 Packet Calls on a D-Channel (p. 401)
- 12.4 ISDN Frame Mode Bearer Services (p. 402)
- 12.4.1 Frame Relay Services (p. 402)
- 12.4.2 Call Control for Frame Mode Connections (p. 407)
- 12.5 Remarks (p. 409)
- References (p. 409)
- Chapter 13 Planning and Implementing the ISDN (p. 411)
- 13.1 Introduction (p. 412)
- 13.2 Market and Policy-Related Issues (p. 413)
- 13.2.1 Assessment of ISDN Demand (p. 413)
- 13.2.2 Services Relevant to a Broad Base of Customers (p. 414)
- 13.2.3 Services and Applications for Specific User Categories (p. 415)
- 13.2.3.1 Telemedicine (p. 416)
- 13.2.3.2 Distance Education (p. 416)
- 13.2.3.3 Videoconferencing (p. 416)
- 13.2.4 Need for Collaborative Effort (p. 419)
- 13.2.5 Tariff Policy for the ISDN (p. 420)
- 13.2.6 ISDN Customer Premises Equipment (p. 422)
- 13.3 Technical and Network-Related Activities (p. 425)
- 13.3.1 Technical Plans (p. 425)
- 13.3.1.1 Numbering Plan (p. 425)
- 13.3.1.2 Routing Plan (p. 428)
- 13.3.2 Field Trials (p. 428)
- 13.3.3 ISDN Implementation Strategies (p. 429)
- 13.3.4 Switch Capacity Aspects (p. 430)
- 13.3.5 Quality of Service (QOS) and Performance Requirements (p. 431)
- References (p. 432)
- Chapter 14 Testing in the ISDN (p. 437)
- 14.1 Introduction (p. 438)
- 14.2 Layer 1 Tests (p. 438)
- 14.2.1 Testing of Network Termination (NT) (p. 441)
- 14.2.1.1 Test for Activation and Deactivation of Network Termination (NT) (p. 441)
- 14.2.1.2 Test on Framing (Frame Structure in the Network Termination to Terminal Equipment Direction) (p. 442)
- 14.2.1.3 Test on D-Channel Access (p. 442)
- 14.2.1.4 Test on Electrical Characteristics (p. 442)
- 14.2.1.5 Test on Timing (p. 443)
- 14.2.1.6 Test on Power Feeding (p. 443)
- 14.2.1.7 Other Tests (p. 444)
- 14.2.2 Testing of Terminal Equipment (p. 444)
- 14.2.3 Maintenance and Troubleshooting (p. 445)
- 14.3 Layer 2 and Layer 3 Tests (p. 447)
- 14.4 Maintenance of ISDN Access (p. 452)
- References (p. 454)
- Chapter 15 Timing in Sonet and SDH (p. 457)
- 15.1 Introduction (p. 457)
- 15.2 Sonet and SDH Frame Structures (p. 459)
- 15.2.1 Sonet Frame Structure (p. 459)
- 15.2.2 SDH Frame Structure (p. 464)
- 15.3 Network Synchronization in Sonet and SDH (p. 466)
- 15.3.1 Pointer Adjustments (p. 466)
- 15.3.2 Synchronization Network Reference Chain and Clock Quality in SDH (p. 469)
- 15.3.3 Synchronization Reference Distribution in Sonet (p. 472)
- 15.4 Remarks (p. 473)
- References (p. 473)
- Appendix 1 Ordering Information (p. 475)
- Appendix 2 List of ISUP Messages (p. 477)
- Index (p. 479)
- About the Author (p. 487)