NFK1-SC FLUKE NETWORKS, NFK1-SC Datasheet - Page 190
NFK1-SC
Manufacturer Part Number
NFK1-SC
Description
LAN Tester
Manufacturer
FLUKE NETWORKS
Datasheet
1.NFK1-SC.pdf
(278 pages)
Specifications of NFK1-SC
Lead Free Status / RoHS Status
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OF-500 OptiFiber Certifying OTDR
Technical Reference Handbook
7-38
Loss is negative.
•
•
•
•
•
•
A known length of cable measures too long or too short.
•
•
The connections to the tester were disturbed after referencing.
The fiber ends were dirty during referencing.
There was a kink in a reference test cord during referencing.
The connectors were not properly aligned during referencing.
Some other problem caused a bad reference value.
If loss is negative, set the reference again and retest the cabling.
The wrong fiber type is selected on the Cable tab in Setup.
The index of refraction needs adjustment. Change n on the Cable tab in Setup.
Table 7-10. Diagnosing Loss/Length Test Failures (cont.)
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