Fluke CableAnalyzer DSP-4100, Руководство пользователя

Страница: 110 / 216

DSP-4000 Series
Users Manual
4-10
Table 4-3. Effects of Termination on HDTDR Results
Cable Type
and
Termination
Listed Results Show the Following Plotted Results Show the
Following
Twisted pair
with no
remote Displays the message
No Remote
Detected
. Results show the two
largest reflections greater than or equal
to 15%. The largest reflection probably
comes from the end of the cable, but is
not identified as the end.
All reflections are shown.
Twisted pair
with remote Two largest reflections greater than or
equal to 15%. Largest reflection is
identified as the end of the cable. All reflections are shown.
Coaxial cable
with no
terminator Two largest reflections greater than or
equal to 10%. The largest reflection
comes from the end of the cable, but is
not identified as the end. All reflections are shown. The
largest reflection comes from the
end of the cable.
Coaxial
Cable with
terminator
No Reflection
reported for a
good cable. On a faulty cable, the test
reports the two largest reflections, but
does not identify end of cable.
All reflections are shown. The plot
will not show a reflection from the
terminated end.