OH Capture
Transceiver
Through Mode
APS
Delay
measurement
SDH Performance
Measurement
Tributary Scan
Item
SOH: 64 Frames
POH: 64 Frames
Pathtrace: J0/J1/J2 (Displays in ascii characters)
Timing
Single
Repeat : Update period 1s
Module Present
Transceiver Information
Alarm, Wavelength and bit rate, Compliance, Vendor Information, Output
Control
Power monitor
Mode :
Through Rx
OH Overwrite
SOH, A1/A2, K1/K2, S1, DCC1-3, DCC4-12, J0, SOH 1byte
Stimuli
Alarm : LOS, LOF, OOF, MS-RDI
Available alarms depend on Through mode setting.
Error : A1A2, B1, B2, MS-REI, ERR-TRANS
Available errors depend on Through mode setting.
Insertion: refer to Alarm Insertion and Error Insertion
APS (Automatic Protection Switching) Measurement
Reference event: LOS, LOF, OOF, MS-AIS, MS-RDI, APS Switchover, AU-AIS,
AU-LOP, HP-TIM, HP-PLM, HP-UNEQ, TU-LOM, TU-AIS, TU-LOP, LP-TIM, LP-
PLM, LP-UNEQ, LSS, A1A2, B1, B2, MS-REI, B3, V5, Pattern errors
Max reference duration: 0.000 to 10000.000 ms
Result: Average switching time, Maximum switching time, Minimum
switching time
APS Protocol analyze
APS configuration :Ring or Linear
Ring : Short Path, Long Path
Linear : 1+1 architecture, 1:n architecture
APS Protocol Request : The value of K1, K2 byte is sent depending on
selected type.
APS Interpretation : Number, Elapsed Time
Measurement Mode : Single, Repeat
Measurement Period : 0.5, 1, 2, 5,10 s
Measurement Range : Up to 10 000 000.000 μs / resolution 0.1 μs, Timeout
Setup : G826, G.828+G.829, M.2101.1(M2100)
Allocation
Mux Allocation 0 to 100%
VC-4 Allocation 0 to 100%
VC-3 Allocation 0 to 100%
VC-11/VC-12 Allocation 0 to 100%
Time period : 15minutes, 1hour, 2hour, 24hour, 7days (only M.2101.1)
Result : ES, SES, BBE, UNAV
Display : Count, Ratio
Displays the alarm status of all channels in a specified layer.
Green (No alarm), Red (Alarm occurring), Gray (Not applied)
11.3.2.2 SONET
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