Using the OTDR Module
Looking at OTDR Test Results
7-31
7
A
Wavelength for the trace and the End setting selected in
Setup. If the test ran at two wavelengths, press
L
Next Trace to switch wavelengths. You can set the
wavelengths in Setup.
B
Horizontal and vertical zoom factors for the trace. In
zoom mode, use
BC to zoom horizontally and
AD to zoom vertically.
C
Event PASS/FAIL status appears if the cursor is on an
event. To see details about the event, press
J View
Events, then press
H.
D
For dual-wavelength tests, press L to switch
wavelengths.
E
Press K to change the arrow keys functions from
moving the cursor (
I) to zooming. The navigational cue
above the softkey labels describes the arrow keys’ current
function.
F
Press J to see the Event Table. See page 7-35.
G
Event information appears if the cursor is on an event.
Otherwise, the distance to the cursor is shown.
H
Horizontal scale for the distance along the cabling
under test. Vertical scale for the OTDR backscatter
measurements in decibels.
I
Cursor. See E. In cursor mode, use BC to move the
cursor left or right. Use
AD to move the
cursor to next or previous event.
J
Measurement marker and cursor. See “Using the
Measurement Cursor” on page 7-34.
K
The distance (m or ft) and the power loss (dB) between
the cursor and the measurement marker.
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