Fiber Inspection Probe 101
5 Working with a Multifiber
Source
The Multifiber Source (MFS) produces a light pattern that, once injected
into a fiber, is detectable by the EXFO’s Fiber Inspection Probe equipped
with an MPO tip (12 or 24 fibers). With the MFS, the probe will test the
continuity and polarity of the link under test in addition to performing the
connector inspection.
Note: If you only want to inspect a connector without testing polarity and
continuity, ensure that the MFS is turned off before proceeding. Otherwise,
the light emitted by the MFS could be mistaken for dirt which would result
in an erroneous fail status.
Only the probes identified as MF-Ready (FIP-415B, FIP-425B and FIP-435B)
allow you to use the MFS or the MPO tip.
Depending on the model you are using (MFS-12 or MFS-24), 12 or 24 lasers
will produce light. The MFS-12 supports MPO connectors with 12 fibers.
The MFS-24 supports MPO connectors with 12 (using a split (Y) cable) or 24
fibers. This cable management system allows you, by changing the
patchcord, to test:
singlemode and multimode cables
UPC and APC connectors
pinned and unpinned MPO connectors
Note: The model you have purchased may differ slightly from the images
presented in this documentation.
IMPORTANT
It will be impossible to test the continuity and polarity of a link
under test if you do not perform all required firmware updates.
See Updating the Firmware on page 99 for details.
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