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Chapter 8: Use the HDR OTDR
WWarningX*
Before you use the tester, read the safety
information that starts on page 6.
Overview of Features
The OptiFiber
®
Pro HDR (High Dynamic Range) Optical Time
Domain Reflectometer (OTDR) module attaches to a Versiv and
Versiv
™
2 main unit to make a rugged, hand-held tester that lets
you locate, identify, and measure reflective and loss events on
single-mode fibers in outside plant (OSP) and premises
installations. The HDR OTDR test results includes the location and
performance of unpowered (passive) splitters used in PON
(passive optical network) installations. A typical maximum test
range is 260 km for a link with no splitters. The modules includes
these features:
• Automatic analysis of OTDR traces and events helps you
identify and locate faults on single-mode fiber.
• Shows OTDR results as an intuitive map of events, a table of
events, and an OTDR trace. PON OTDR test results include the
locations and split ratios of optical splitters.
• Automatic bi-directional averaging gives you more accurate
loss measurements than measurements made in one
direction.
• Gives a PASS or FAIL result based on a test limit that you
specify.
• Document PON test limit is available if PASS/FAIL results are
not necessary.
• Event editing function lets you edit loss events. See Chapter 9.
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