1
Scope
2 References
3 Definitions
3.1 Terms defined
elsewhere
3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Conventions and background
5.1 Conventions
5.2 Background
6 Measurement modes
7 Events to be monitored
7.1 Network events
7.2 Test signal structure
events
7.3 Forward error
correction (FEC) events
7.4 Events to be monitored
at the OCh layer
7.5 Test signal structure
to be used at OPUk layer
8 Generator
8.1 Synchronization
8.2 Bit rates
8.3 Test signal structures
8.4 Digital signal outputs
8.5 Anomaly and defect
addition on the output signal
9 Receiver
9.1 Digital signal inputs
9.2 Test signal structures
9.3 Error performance measurement
9.4 Defects and anomalies
indication
9.5 Events time stamping
10 Forward error correction (FEC)
performance verification functions
10.1 Parameters and results
10.2 Error generation
10.3 Measurement of the
error correction and detection
11 Miscellaneous functions
11.1 FEC activation
11.2 Display
11.3 Access to overhead
bytes
11.4 Output to external
recording devices
11.5 Remote control port
12 Operating conditions
12.1 Environmental conditions
12.2 Behaviour in case of
power failure
Annex A – Criteria for detecting anomalies and defects
A.1 Anomalies
A.2 Defects
A.3 Other information
Annex B – List of test signal structures
B.1 Test signal structure
TSS1 applied to all bytes of a CBR2G5
B.2 Test signal structure
TSS2 applied to all bytes of a CBR10G
B.3 Test signal structure
TSS3 applied to all bytes of a CBR40G
B.4 Test signal structure
TSS4 applied to NULL/PRBS
Annex C – Procedure of goodness of fit for Poisson distribution
by χ2 test
C.1 Introduction
C.2 Fundamental properties
C.3 Other properties
Appendix I – Test of goodness of fit for Poisson distribution
by χ2 test
I.1 Introduction
I.2 Test of goodness of
fit by χ2 test
I.3 Theory of χ2
test
I.4 Application of test
of goodness of fit to Poisson distribution
Bibliography