1
Scope
2
References
3
Definitions
3.1
Terms
defined elsewhere
3.2
Terms
defined in this Recommendation
4
Abbreviations and
acronyms
5
Methodology
6
Supervision
6.1
Alarm reporting control
6.2
Defects
6.3
Consequent actions
6.4
Defect correlations
6.5
Performance filters
7
Information flow across
reference points
8
Generic processes
8.1
Scrambling processes
8.2
Alignment processes
8.3
Signal quality
supervision
8.4
BIP correction
8.5
OTUk forward error
correction (FEC) processing
8.6
Trail trace identifier
(TTI) processing
8.7
Payload structure
indication (PSI) acceptance processes
8.8
Status information
(STAT) acceptance process
8.9
Generic AIS generation
and detection
8.10
Generic layer fault
processing
8.11
Optical signal
processing
9
Optical transmission
section (OTS) layer functions
9.1
Connection functions
(N/A)
9.2
Termination functions
9.3
Adaptation functions
10
Optical multiplex
section (OMS) layer functions
10.1
Connection functions
(N/A)
10.2
Termination functions
10.3
Adaptation functions
10.4
Sub-layer functions
11
Optical physical section
(OPS) layer functions
11.1
Connection functions
(N/A)
11.2
Termination functions
11.3
Adaptation functions
12
OCh (layer) functions
12.1
Connection functions
12.2
Termination functions
12.3
Adaptation functions
12.4
Layer functions (N/A)
13
OTU (layer) functions
13.1
Connection functions
(N/A)
13.2
Termination functions
13.3
Adaptation functions
13.4
Sub-layer functions
(N/A)
14
ODU (layer) functions
14.1
Connection functions
14.2
Termination functions
14.3
Adaptation functions
14.4
COMMS functions
14.5
Sub-layer functions
14.6
Virtual concatenation
functions
Annex A – Optical section
(OSx) and constant bit rate (CBRx) layer functions
Introduction
A.1
Connection functions
(N/A)
A.2
Termination functions
A.3
Adaptation
functions
Appendix I –
Applications and functional diagrams
I.1
Transparent CBRx tributary interface port with optional SDH
RS non-intrusive monitor on OTN equipment
I.2
OTM-0.m tributary interface port on OTN equipment
I.3
Selectable CBRx/OTM-0.m tributary interface port on OTN
equipment
I.4
OTM-0.m interface ports on non-OTN equipment
I.5
OTM-n.m interface port with 3-R regeneration functionality
for an ODUk connection function
Appendix II – TCM
applications
Appendix III –
Performance of processes
III.1
Introduction
III.2
OTUk frame alignment
process
III.3
STAT acceptance process
and related defect detection (ODUkP/TdAIS, ODUkP/TdOCI, ODUkP/TdLCK, ODUkTdLTC,
ODUkTdIAE)
III.4
OTUkdIAE, OTUkdBDI,
ODUkP/TdBDI detection
III.5
PT acceptance process
and ODUkPdPLM detection
III.6
Generic AIS and OTUk AIS
detection
III.7
OTUkdBIAE and ODUkTdBIAE
detection process
Appendix IV – TTI
processing examples
IV.1
Example 1
IV.2
Example 2
Bibliography