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The ChannelMap
function provides an intuitive map of the
cabling under test. You can use this function to quickly
survey connections and the lengths of fibers in a channel.
This function is optimized for resolving connections as close
as 1 m apart on multimode fiber and 2 m apart on
singlemode fiber. Reflective events that do not appear to
be connectors are not shown on the map. Loss events are
also not shown.
Since the ChannelMap function identifies only
reflections, it is not appropriate for finding fusion
splices or angled physical contact (APC) connectors.
Note
Using the ChannelMap Function
Running the Test
Figure 4-1 shows the equipment required for ChannelMap
tests.
1
Select ChannelMap mode: On the HOME screen, press
A
Change Test; then select ChannelMap.
2
Select a fiber type on the Cable tab in Setup. You do
not need to select a test limit for ChannelMap tests.
3
Enter names for the ends of the channel to be mapped:
S
Press
; then select the Job tab. Enter names for
END 1 and END 2.
4
Set THIS END to the end where the tester is located.
5
Clean the connectors on the launch fiber or patch cord
and the channel to be tested.
Chapter 4
-continued-
4-1
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