Viavi T-BERD/MTS 4000 Manuale utente
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T-BERD/MTS 4000 Handheld Modular Test Set
T-BERD/MTS-4000 Handheld Modular Test Set
QUICK CARD
►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
4100-series OTDR Smart Test Assistant
This quick card describes how to connect to a fiber under test and use the Smart Test
Assistant to configure test setups, run tests, and analyze results on a VIAVI T-BERD/MTS
4000 equipped with a 4100-series OTDR module.
EQUIPMENT REQUIREMENTS
FIBER INSPECTION GUIDELINES
►T-BERD/MTS 4000 equipped with the
following:
•Fiber Optics Software Release V21.14 or
greater
•4100 Series OTDR Module
•Fiber optic cleaning and inspection tools
►Minimum 20-meter Fiber optic patch cable
(Launch Cable)
►Optical Coupler to connect Launch Cable to
Fiber Under Test
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T-BERD/MTS 4000 Handheld Modular Test Set
T-BERD/MTS-4000 Handheld Modular Test Set
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2
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:
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 FUT connected to the coupler or
OPP port and the fiber end face of the Launch
Cable.
6. Connect the Launch Cable to the coupler or
OPP port.
Figure 5: Connecting to OPP
LAUNCH TEST
1. Press the ON/OFF button to start the test
set.
2. Press the Home button to display the Home
view with the SMART TEST icon.
3. Tap the SMART TEST icon until it is
yellow and highlighted.
Figure 6: Home Screen
Figure 4: Connecting to coupler
Figure 3: OTDR Port Inspection
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T-BERD/MTS 4000 Handheld Modular Test Set
T-BERD/MTS-4000 Handheld Modular Test Set
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3
1. Select a configuration file:
►Select the CERTIFICATION_AutoTest_20s
configuration file to setup the T-BERD/MTS
4000 for automatic 20 second acquisitions
to confirm loss and distanceAND analyze all
events (splices, connectors, etc.)
►Select the
CERTIFICATION_SmartAcq_20s
configuration file to setup the T-BERD/MTS
4000 for multiple 20 second acquisitions
using different pulse widths.
►Select the EXPRESS_AutoTest_5s
configuration file to setup the T-BERD/MTS
4000 for 5 second acquisitions to quickly
confirm total span loss and distance.
►Tap to select a user configuration file
stored in the /disk/fiber/config folder.
2. Tap to load the configuration and view the
SMART TEST Setup screen.
3. Configure test settings:
►Laser: Select the wavelength(s) to test.
–Select 1310 nm and 1550 nm to enable
bend detection.
►Distance Unit: Tap the desired unit of
measure.
►Launch Cable: Tap YES if you are using a
Launch Cable. Tap the icon and enter
the Launch Cable length. Enter 20 meters
or 66 feet for Viavi supplied 20-meter launch
cables.
►Alarms: Tap YES and choose Default for
Viavi recommended Pass/Fail limits.
CONFIGURE TEST
Figure 7: SMART TEST Configuration Files
Figure 8: SMART TEST Setup
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T-BERD/MTS 4000 Handheld Modular Test Set
T-BERD/MTS-4000 Handheld Modular Test Set
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4
RUN TEST
1. Tap 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 end-face
that fails the inspection test.
2. The OTDR will perform acquisitions at the
configured wavelengths. Overall test results
(Pass or Fail) will be displayed in a popup
window. Touch the popup window to close it.
3. Tap the SmartLink tab at the left screen top to
select SmartLink view.
4. Set the toggle switch at the right screen top to
Event Line.
5. View SmartLink results:
►The FUT is displayed as a series of icons
representing events (front connector,
launch cable, connectors, splices, bends,
etc.) and distances. Swipe left or right to
view additional icons on spans with more
than 5 events.
►The lower 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 and Acquisitions 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 4000s when
acquisition Mode = SmartAcq. Rerun the test
with the CERTIFICATION_AutoTest_20s
configuration file or contact VIAVI to upgrade
your unit to add this feature.
Figure 10: SmartLink View, Summary Results
Figure 11: SmartLink View, Event Results
Figure 9: Connection Check
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T-BERD/MTS 4000 Handheld Modular Test Set
T-BERD/MTS-4000 Handheld Modular Test Set
QUICK CARD
© 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
(+1 844 468-4284)
6. Tap the Trace tab at the left screen top to select
Trace view.
7. Set the toggle switch at the right screen top to
Info.
8. Tap to auto-zoom.
9. View trace results:
►Trace information is shown in the upper
display. Tap 1 or 2 to select the acquisition
(wavelength or pulse width) for results
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.
9. Tap the Table tab to select Table view.
10. Set the toggle switch to the center (off) position.
11. View table results:
►Distance, Loss, and Reflectance are
shown for each event.
►Tap the toggle switch to view All events or
Failed events.
Figure 12: Trace view
Figure 13: Table view
SAVE RESULTS
1. Tap the Save softkey to view File Recording
Information.
2. Enter Job Id, Cable Id, Fiber Id and Fiber
Number.
►The Job Id field identifies the Job and
creates a folder by the same name.
Results are saved to this folder.
►The Cable Id, Fiber Id, and Fiber Number
fields determine the file name.
3. Tap to save a report in PDF format and
save a file containing the fiber trace data. Figure 14: Save Report
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