VIAVI Solutions
Quick Card
T-BERD
®
/MTS 4000v2 Modular Test Set
Real Time Testing with Expert OTDR
This quick card describes how to connect to a fiber under test, configure
Expert OTDR
settings, run
Real Time tests, and analyze results with a VIAVI T-BERD/MTS 4000v2 and 4100-series OTDR module.
Equipment Requirements:
•
T-BERD/MTS-2000 or 4000 with
Fiber Optics
Software Release V21.04 or greater
•
E4100 Series OTDR Module
•
Fiber optic cleaning and inspection tools
•
Launch Cable with connectors matching the
OTDR port and Fiber Under Test (a minimum
20-meter Fiber optic patch cable or leash is
recommended)
•
Optical Coupler to connect Launch Cable to
Fiber Under Test
Figure 1: Equipment Requirements
The following information is required to complete the test:
•
Type of Fiber (Multimode or Single Mode)
•
Type of Connectors (SC UPC, SC APC, LC UPC, etc.)
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 connectors, patch cords, 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 (IBYC)
Connect Launch Cable to OTDR port:
1.
Inspect the OTDR port on top of the test set.
2.
Inspect the fiber end face of Launch Cable.
3.
Connect Launch Cable to the OTDR port.
Figure 3: OTDR Port Inspection
