Viavi T-BERD/MTS-5800 OCC-4056C Parts list manual

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► Use the VIAVI P5000i or FiberChek Probe
microscope to inspect both sides of every
connection being used (OCC Port, Launch
Cable, bulkhead connectors, patch cables, etc.)
► Focus fiber on the screen. If dirty, clean the
end-face.
► If it appears clean, run inspection test.
► If it fails, clean the fiber and re-run inspection
test. Repeat until it passes.
Figure 2: Inspect Before You Connect
Figure 1: Equipment Requirements
DWDM Optical Channel Checker
This quick card describes how to connect to a fiber under test, configure DWDM Optical
Channel Checker (OCC) test setups, run tests, and analyze results with a T-BERD/MTS-
5800 equipped with an OCC-4056C module.
Note: The OCC module is used to monitor wavelengths on a live network. Care
should be exercised when unplugging fibers from the network as the fibers
may be carrying traffic.
► T-BERD/MTS-5800 equipped with the
following:
► Fiber Optics Software Release V21.0 or
greater
► OCC-4056C DWDM OCC Module
► Fiber optic cleaning and inspection tools
►20-meter Fiber optic patch cable (Launch
Cable)
► Optical Coupler to connect Launch Cable to
Fiber Under Test

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CONNECT TO FIBER UNDER TEST (FUT)
All fibers and connectors should be cleaned and inspected prior to connection, as described on page 1.
The OCC is typically connected to the FUT via a Monitor Port or splitter/tap to not disrupt service. The
OCC can also be directly connected to the common port or common fiber via a coupler during turn up or
maintenance:
Figure 3: Connecting to Monitor Port
Figure 4: Connecting to Common Cable
1. Inspect the OCC port on top of the test set.
2. If connecting to the Common Cable, connect the Common Cable to an optical coupler with the same
connector type and inspect the fiber end face in the coupler.
3. If connecting to the Monitor Port or Common Port on the Mux, inspect the Mux Port.
4. Inspect the fiber end face of the Launch Cable.
5. Connect the Launch Cable to the OCC port.
6. Inspect the other fiber end face of the Launch Cable.
7. Connect the Launch Cable to the coupler or Mux port.

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1. If files are to be saved, tap the File soft key
and tap the fiber folder .
Otherwise proceed to step 4.
2. Tap the Create Directory soft key,
enter a name for your new folder and tap the
Enter key. All trace files will be saved to this
directory.
3. Tap the Exit soft key .
4. Tap the Setup soft key to display the Setup
menu.
5. Tap Auto-set to auto-configure the OCC for a
single sweep and to auto-store results.
6. Tap the Analysis tab. If a splitter/tap is used to
access the signal, set Splitter Value to the
splitter loss (in dB or %).
7. Tap the Link tab. Enter Cable ID, Fiber Number,
Locations, and Direction.
LAUNCH TEST
1. Press the Power button
to start the test instrument.
2. Tap the Fiber Optics icon
in the Status Bar at the top of the screen.
3. If a purple symbol is displayed on the left
screen side, tap it to display the Fiber Optics
home screen.
4. Tap the OCC-4056c icon until it is yellow
and highlighted .
Figure 5: Fiber Optics Home Screen
Figure 7: Setup Menu
CONFI G U RE T E ST
Figure 6: File Menu

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T-BERD/MTS-5800 Handheld Network Tester
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© 2021 VIAVI Solutions, Inc,
Product specifications and descriptions in this
document are subject to change without notice.
Patented as described at viavisolutions.com/patents
Contact Us
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RUN TES T
1. Tap the START soft key to start the test.
2. The OCC will sweep the entire DWDM
wavelength range. Results will be shown in
graphical and tabular formats as shown in
Figure 8: Test Results.
3. Verify that traffic is on all expected channels, at
the anticipated wavelengths and power levels,
and that there are no unexpected wavelengths
present.
4. Things to look for:
►Every expected wavelength/channel is
present.
►Power levels of each channel are within
roughly 3 dB of each other, or within the
relative amplitude specification of the
Network Equipment Manufacturer.
Figure 8: Test Results