Reset, Delay, Count – EXFO FTB-800 Series for FTB-1 User Manual
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Test Functions
456
FTB-700G/800 Series
RTD
Disabled: Indicates that the RTD feature is disabled. For example, this
condition occurs for DS0/E0 test case having all its timeslots set to
Idle/Tone.
--: Indicates that the RTD measurement is not ready.
Reset
Resets the RTD results and measurement counts.
Delay
Indicates the time required for a bit to travel from the transmitter back to its
receiver after crossing a far-end loopback.
Last indicates the result of the last Round Trip Delay measurement.
Minimum indicates the minimum Round Trip Delay recorded.
Maximum indicates the maximum Round Trip Delay recorded.
Average indicates the average Round Trip Delay value.
Unit measurement selections are ms (default) and μs.
Count
Indicates the total number of successful and failed measurements.
Successful: A measurement is declared successful when the RTD is
smaller or equal to 2 seconds.
Failed: A measurement is declared failed when the RTD is > 2 seconds.