EXFO FTB-8500 Series for FTB-500 - Manual (Page 371)

Ethernet and Fibre Channel Application 357
18 Advanced Tab
Note: The available Advanced tab depends on which test path is activated.
Service Disruption Time (SDT)
Note: Service Disruption Time is only available with BERT test.
The Service Disruption Time (SDT) corresponds to the time during which
there is a disruption of service due to the absence of traffic or the detection
of defects.
Press TEST and SDT.
Tab
Available with
Page
Ethernet Fibre Channel
a
a. Not available with FTB-8510G
.
Service Disruption Time (SDT) X 357