Viavi T-BERD MTS 5800 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
CWDM Expert OTDR
This quick card explains how to connect to a fiber under test, configure EXPERT OTDR
test settings using Quick Setup, run tests, and analyze results with a VIAVI T-BERD/MTS-
5800 equipped with a 4100-series CWDM OTDR module.
Note: The CWDM OTDR module is used to test individual CWDM channels on a
live network. Care must be taken to select and test the correct channel or
wavelength.
► T-BERD/MTS-5800 equipped with the
following:
•Fiber Optics Software Release V21.0 or
greater
•4100 Series CWDM OTDR Module
(E41CWDMC10L-APC, E41CWDMC10L-PC,
E41CWDM10U-APC, E41CWDM10U-PC,
E41CWDM8U-APC or E41CWDM8U-PC)
► 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 inspected and clean prior to connection, as described on page 1.
The OTDR may be connected to the FUT via an optical patch panel (OPP) or a coupler:
Figure 4: Connecting to the Fiber Under Test
1. Inspect the OTDR port on top of the test set.
2. Inspect the fiber end face of the Launch Cable.
3. Connect the Launch Cable to the OTDR port.
4. If the interface to the FUT is a patch cord,
connect the patch cord to an optical coupler.
5. Inspect the fiber end face of the Launch Cable.
6. Connect the Launch Cable to the coupler or
OPP.
7. Disconnect or disable the far end SFP on this
channel/wavelength.
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 OTDR SM icon until it is yellow and
highlighted .
Figure 5: Fiber Optics Home Screen
Figure 3: Inspecting the OTDR Port

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CONFI G U RE T E ST
Figure 6: Setup, Display
1. Tap the Setup soft key .
2. Tap Display and set Distance Unit to your
desired unit of measure.
3. Tap Acquisition and configure the following
basic settings for the trace:
►Laser: Select the wavelength to test.
►Acquisition Mode:
–Select Manual to manually to enter
Range and Pulse width settings.
–Select Auto to automatically configure
Range, Pulse width, and Resolution
settings.
–Select SmartAcq to perform an
acquisition with a short pulse width,
followed by an acquisition with a longer
pulse width. The first acquisition allows
events at the beginning of the fiber to be
detected more precisely.
►Acq. Time: Select Realtime, Auto or the
desired time to sample the fiber.
►Launch Cable: Select and enter Length
if you are using a Launch Cable.
Enter 20 meters or 66 feet for Viavi
supplied 20-meter launch cables.
4. Tap Alarms and configure pass/fail criteria:
►Set Alarm Level to Fail.
►Set Threshold to Default, or select
alternate alarm thresholds (TIA-568.3,
User, etc.)
Figure 7: Setup, Acquisition
Figure 8: Setup, Alarms

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Figure 10: SmartLink View, Summary Results
RUN TES T
1. Press the Start soft key to start the test.
After auto-configuration, the OTDR will perform
a connection check to ensure that the
connection is Good. If the Connection is Bad,
disconnect the launch cable, and reconnect as
described on pages 1 and 2, cleaning every fiber
that fails the inspection test.
2. The OTDR will perform an acquisition at the
configured wavelength.
Figure 11: SmartLink View, Event Results
Figure 9: Connection Check
1. Tap the SmartLink tab at the left screen top to
select SmartLink view.
2. Set the toggle switch at the right screen top to
Event Line.
3. View SmartLink results:
►The FUT is displayed as a series of icons
representing events (Mux, Demux, splices,
bends, connectors, etc.) and distances.
Swipe left or right to view additional icons
on spans with more than 4 events.
►The center of the display shows summary
results for the entire span for each
acquisition or wavelength. Tap any event
in the upper display to view detailed results
for that specific event.
►Events are marked with a green check or
red xbased on the Alarms setting.
Note: the icon-based view may not be
available on older T-BERD/MTS 5800s when
acquisition Mode = SmartAcq. Rerun the test
with the Mode = Auto or contact VIAVI to
upgrade your unit to add this feature.
VI E W S MARTLI N K MAP

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VI E W T R A CE
1. Tap the Trace tab at the left screen top to select
Trace view.
2. Set the toggle switch at the screen top to Info.
3. Tap to auto-zoom.
4. View trace results:
►Trace information is shown in the upper
display.
►Graphical results (dB versus distance) are
shown in the center display.
►A color-coded Event table is shown in the
lower display. Swipe up and down to view
all events. Figure 12: Trace view
Figure 13: Table view
1. Tap the Table tab at the left screen top to
select Table view.
2. Set the toggle switch at the right screen top to
the center (off) position.
3. View table results:
►Distance, Loss, and Reflectance are
shown for each event.
►Tap the toggle switch to view All events
or Failed events.
VI E W T A BLE

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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
To reach the VIAVI office nearest you,
visit viavisolutions.com/contact
+1 844 GO VIAVI
([phone])
FAST REP O RT
1. Tap the File soft key and tap the fiber
folder.
2. Tap the Create Directory soft key and
enter a name for your new folder. All trace files
will be saved to this directory.
3. Tap the Exit soft key .
4. Tap the Fast Report soft key and enter
Cable ID, Fiber Number, Locations,
Direction, and Save Mode.
5. Tap Save.
6. Tap to accept the default filename and
save test results.
7. Tap the Fast Report soft key again to return to
the results display.
8. Tap to return to the OTDR Home screen.
Figure 14: File Explorer
Figure 15: Fast Report