NFK2-SC FLUKE NETWORKS, NFK2-SC Datasheet - Page 102

• Manufacturer Part Number: NFK2-SC
• Description: LAN Tester
• Manufacturer: FLUKE NETWORKS

Specifications of NFK2-SC

• Lead Free Status / RoHS Status: na

OF-500 OptiFiber Certifying OTDR
Technical Reference Handbook
Using the Measurement Cursor
You can use the cursor on the OTDR trace to measure
distances and losses along the cabling. The cursor position
and readouts are stored with saved results.
As you move the cursor, the tester calculates averages
around the mark and cursor positions. This reduces the
effects of noise on measurements.
To use the cursor, do the following:
1
2
3
3-26
If the navigational cue above the softkey labels does
not say OPan, PCursor, press
Use
the cursor to a starting point on the trace. Pressing
or
Press
C
the desired ending point.
N
C
Next Event/Previous Event to move the cursor to
D
sets the direction for the
Next Event/Previous Event or
Set Mark to set the mark; then use
E
C
until it does.
softkey
K N
.
to move
K N
K
or
4
The following readouts appear on the screen:
To change between
press
select MARKER DELTA MODE from the OTDR
FUNCTIONS menu.
•
•
•
Press
Δ m or Δ ft: The distance between the cursor and
the mark.
Δ dB: The difference in the power levels (in
decibels) between the cursor and the mark.
Δ dB/km or Δ dB/kft: Power loss (in decibels) that
would occur over 1 km (1000 m) or 1 kft (1000 ft)
of cable based on the loss between the cursor and
the mark.
D
F
Clear Mark to clear the mark.
from the OTDR TRACE screen; then
Δ
dB and
Note
Δ
dB/km /
Δ
dB/kft