Advanced Tabs
342
FTB-8100 Series Transport Blazer
Service Disruption Time (SDT)
Configuration
Select the criteria that will be used for the SDT measurement.
Note:
The service disruption measurements are cleared when changing the
criteria.
³
Layer
: Select on which layer the service disruption time test will be
performed. Choices are
Port
,
FEC
,
OTUk
,
ODUk
,
OPUk
,
OTU-1e
,
ODU-1e
,
OPU-1e
,
OTU-2e
,
ODU-2e
,
OPU-2e
,
OTU-1f
,
ODU-1f
,
OPU-1f
,
OTU-2f
,
ODU-2f
,
OPU-2f
,
Section/Regenerator
,
Line/Multiplex
,
HOP
,
LOP
,
DS1
,
DS3
,
E1
,
E2
,
E3
,
E4
, and
Pattern
. Where
k
is either 1, or 2.
With ODU MUX, ODU1 and OPU1 are not available. Choices depend on
the selected test path.
³
Defect Selection
: Choices depend on the selected layer. Refer to the
specific layer tab for possible alarms/errors.
Note:
The Service Disruption Time measurement supports a parent defect
approach where the SDT measurement is triggered when the selected
defect or a higher defect in the signal structure hierarchy is detected. For
example, if Bit Error is selected, an OPU-AIS error will raise the SDT trigger.
Note:
No defect is available with the layer Pattern when Live Traffic from the
Pattern RX
on page 338
is enabled.
³
No Defect time
: Represents the period without any defects before
stopping SDT measurement. Choices are from
5
μ
s
to
1999999
μ
s
. The
maximum value is adjusted with respect to the test period (the max No
Defect time is obtained when the Test Period value is set to its
maximum value: 30000000 ms). The default setting is
10000
μ
s
. Unit
measurement selections are
μ
s
,
ms
, and
s
.
³
Test Period
: Represents the period of time used to calculate the SDT
measurement. Choices are
6
μ
s
to
5 minutes
. Unit choices are
μ
s
,
ms
,
s
, and
min
. The default setting is
100000
μ
s
.
Содержание FTB-8100 Series
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