Noyes OFL 100 Mini-OTDR, Руководство по эксплуатации

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FIBER END: XXXX m R
SCAN PLOT/SAVE
OVERRANGE AT XXXX m
SCAN PLOT/SAVE
3.4 Locating the End of the Fiber
3.4.1 HR, LR and MM Models
Select ‘LOCATE’ to measure the distance to the end of the
fiber. The display will indicate that the OFL 100 is searching
for the end.
The measurement is first done by ‘COARSE’ approximation,
---LOCATING END---
[ COARSE ]
---LOCATING END---
[ FINE ]
then more accurately by ‘FINE’ measurement.
After several seconds, the display will read;
XXXXm is the distance of the fiber end measured in meters
(m), or feet (ft). The OFL 100 will indicate whether or not the
end termination is reflective. The letter “R” indicates that the
end is reflective, a ‘N’ indicates the end is non-reflective.
NOTE: After selecting LOCATE, the display may read;
This means the OFL 100 was unable to locate the fiber end,
however, the unit did identify fiber as far as XXXX meters.
This over-range feature is useful when measuring a fiber that
is longer than the maximum range of the OFL 100. If the unit
over-ranges, but can measure beyond halfway, then the entire
fiber length can be analyzed by measuring from both ends.
The OFL 100HR range is approximately 5 km in singlemode
fiber (9/125 micron). The OFL 100MM range is approximately
3 km in multimode fiber (62.5/125 micron). The OFL 100LR
range is approximately 30 km in singlemode fiber (9/125
micron).