Advanced Tab
360
IQS-8500 Series and IQS-8120NGE/8130NGE
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.
Measurement Mode
: Select the SDT measurement mode. Choices are
Defect Mode
and
No Traffic Mode
. The default setting is
Defect Mode
.
Defect Mode
is based on the detection of defects including
LOS
,
Link
down
,
Invalid FCS
,
LSS
, and
Bit errors
in the payload. The SDT
measurement is the time between the first defect and either the end of
the last defect preceding the
No Defect Time
period, or the end of the
test period.
No Traffic Mode
is based on the absence of traffic. The SDT
measurement is the time between the end of the last received frame
and either the beginning of a new received frame, or the end of the test
period.
No Traffic Time
: Available for
No Traffic Mode
only.
No Traffic Time
is
a configured value which raises a defect if no Ethernet frame is
received during the defined test period. Choices are:
Unit choices are
μ
s
,
ms
, and
s
. The default setting is
10000
μ
s
.
Rate
No Traffic Time range
10/100/1000Mbps 10
to
99990
μ
s
for IQS-8510B
20
to
99990
μ
s
for IQS-8120NGE/IQS-8130NGE and
IQS-8525/IQS-8535
10Gbps
10
to
100000
μ
s
for IQS-8510G
10
to
99990
μ
s
for IQS-8120NGE/IQS-8130NGE and
IQS-8525/IQS-8535
