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Quick Card
T-BERD
/MTS-2000 Modular Test Set
®
DWDM 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-2000 equipped with a
4100-series DWDM OTDR module.
The DWDM OTDR is meant to test a specific wavelength on a live Dense Wavelength Division
Multiplexed (DWDM) network. Care must be taken to select and test the correct wavelength.
Equipment Requirements:
• T-BERD/MTS-2000 equipped Software
Release V18.7 or greater
• E4100 Series DWDM OTDR Module
(E41DWDMC-PC or E41DWDM-APC)
• Fiber optic cleaning and inspection tools
• Launch Cable (minimum 20-meter Fiber optic
patch cable)
• Optical Coupler to connect Launch Cable to
fiber under test
The following information is required to
complete the test:
• Type of Connectors (SC UPC, SC APC, LC)
• Distance unit (feet, meters, miles, kilometers)
• DWDM Wavelength to be tested
Fiber Inspection Guidelines:
• Use the VIAVI P5000i or FiberChek Probe
microscope to inspect both sides of every
connection being used (OTDR Port, Launch
Cable, bulkhead connector, patch cables, etc.)
• Focus the fiber on the screen. If dirty, clean
the connector.
• If it appears clean, run inspection test.
• If it fails, clean the fiber and re-run inspection
test. Repeat until it passes.
Figure 1: Equipment Requirements
Figure 2: E41DWDMC-APC OTDR Module
Figure 3: Inspect Before You Connect (IBYC)
VIAVI Solutions
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Summary of Contents for Viavi 4100 Series
- Page 1 DWDM 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-2000 equipped with a 4100-series DWDM OTDR module.
- Page 2 VIAVI Solutions 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 if testing a live...
- Page 3 Note: The Launch Cable should be disconnected from the Fiber Under Test during measurement. Figure 7: Smart Test Setup 9. Alarms: Choose User for Viavi recommended Pass/Fail limits. 10. Distance Unit: If you wish to use a different unit of measure for the test results, change the unit of measure to the desired value.
- Page 4 3. Repeat steps 1 and 2 for all wavelengths and fibers under test being careful to check and double check the wavelength to be tested. Contact Us +1 844 GO VIAVI To reach the VIAVI office nearest you, © 2019 VIAVI Solutions Inc. Product specifications and descriptions in this (+1 844 468 4284) visit viavisolutions.com/contacts.
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