1
Scope
2 References
3 Terms and definitions
4 Abbreviations
5 Conventions
5.1 SDH-specific transmission layer names
5.2 Performance and reliability
6 Supervision
6.1 Trail termination
point mode and port mode
6.2 Defects
6.3 Consequent actions
6.4 Defect correlations
6.5 One-second performance monitoring filter
7 Information flow (XXX_MI) across the XXX_MP reference points
8 Generic processes
8.1 Line coding and scrambling processes
8.2 Alignment processes
8.3 Signal quality supervision processes
8.4 BIP correction processes
9 STM-N physical section layer (N = 1, 4, 16, 64, 256)
9.1 Connection functions
9.2 Termination functions
9.3 Adaptation functions
9.4 Sublayer functions (N/A)
10 STM-N regenerator section layer (N = 1, 4, 16, 64, 256)
10.1 Connection functions
10.2 Termination functions
10.3 Adaptation functions
10.4 Sublayer functions
11 STM-N multiplex section layer (N = 1, 4, 16, 64, 256)
11.1 Connection functions
11.2 Termination functions
11.3 Adaptation functions
11.4 Sublayer functions
12 VC-n path (Sn) layer (n = 4-X, 4, 3-X, 3)
12.1 Connection functions
12.2 Termination functions
12.3 Adaptation functions
12.4 Sublayer functions
12.5 Virtual concatenation functions
13 VC-m path (Sm) layer (m = 2, 12, 11)
13.1 Connection functions
13.2 Termination functions
13.3 Adaptation functions
13.4 Sublayer functions
13.5 Virtual concatenation functions
14 Timing functions
15 Specification of jitter and wander
15.1 STM-N interfaces
15.2 PDH interfaces
15.3 Jitter and wander measurement
16 Overhead access function (OHA)
Annex A – Algorithm for
pointer detection
A.1 Pointer
interpretation
A.2 Concatenated payloads
A.3 Pointer processing flow chart
Appendix I – Example of F1
byte usage
Appendix II – Data communications
channel (DCC)
Appendix III – STM-16
regenerator functional model (example)
Appendix IV – STM-N transparent
regenerator
Appendix V – Verification of
SDH equipment CID immunity
V.1 Background
V.2 Method
Appendix VI – Enhanced
remote defect indication operation
VI.1 VC-4-Xc/VC-4/VC-3 paths
VI.2 VC-2/VC-12/VC-11 paths
VI.3 Interworking functions
Appendix VII – STM-64 regenerator jitter accumulation
analyses and hypothetical reference model (HRM)
VII.1 Introduction
VII.2 STM-64 regenerator hypothetical reference model
VII.3 STM-64 (Type A) regenerator jitter accumulation simulation model,
analyses, and results