Fluke DTX-1800 Technical Reference Handbook page 255

A
Overall results for the fiber:
B
Loss (Remote -> Main): Overall loss on the fiber
connected between the tester's output and input ports.
E: PASS
F: FAIL
i
: Because the test limit uses length and an attenuation
coefficient to calculate loss, the results do not show a
PASS or FAIL result. This is because the tester must have a
length measurement to calculate loss. The tester cannot
measure length in Far End Source mode.
C
The overall result for the loss measurement.
D
The measured loss for the fiber.
If loss is negative, set the reference again and retest
the cabling. See page 10-3 for more information on
negative loss.
Note
Certifying Fiber Optic Cabling
Autotest in Far End Source Mode
E
The maximum loss allowed by the selected test limit.
F
The difference between the limit and the measured loss.
Margin is negative if the loss exceeded the limit.
G
Meter for the loss measurement. Values in the red zone
exceed the selected test limit.
H
L
Press View Ref. to view the reference information.
If the test limit uses length and an attenuation
coefficient to calculate loss, the results do not show
a PASS or FAIL result, a limit, or a margin. This is
because the tester must have a length measurement
to calculate loss. The tester cannot measure length
in Far End Source mode.
Note
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