NFK2-SC FLUKE NETWORKS, NFK2-SC Datasheet - Page 125
NFK2-SC
Manufacturer Part Number
NFK2-SC
Description
LAN Tester
Manufacturer
FLUKE NETWORKS
Datasheet
1.NFK1-SC.pdf
(278 pages)
Specifications of NFK2-SC
Lead Free Status / RoHS Status
na
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LOSS
THRESHOLD
(OFTM-573x
modules)
Setting
Lets you set the threshold (in decibels) for reporting loss events. Events at or above the threshold
are included in the event table. The range for this setting is 0.01 dB to 1.50 dB inclusive.
For smaller threshold values (0.01 dB to 0.3 dB), the tester reduces noise on the trace by taking
more measurements for averaging or by using wider pulse widths. Therefore, smaller values may
increase test times or deadzones on the trace.
Auto sets the threshold to the default value of 0.1 dB. To set the threshold to Auto, press
to Auto on the SET LOSS THRESHOLD screen.
Setting a loss threshold does not guarantee that all events at or above the threshold will be
found. The fiber's characteristics or using a manual AVERAGING TIME or PULSE WIDTH may
also limit which events are found.
If the loss threshold is set to less than 0.1 dB, the tester may find many false events due to
inherent imperfections in the fiber.
Table 3-5. Manual OTDR Settings (cont.)
Description and Selection Guidelines
Note
Using Manual OTDR Mode
Using the OTDR
A
3-49
Set
3
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