Use the HDR OTDR
How to Do an HDR OTDR Test
265
Figure 99. Equipment for HDR OTDR Tests
GPU211.EPS
Tester with HDR OTDR module
installed
Launch and tail cords (optional
for PON tests) or a patch cord.
Match the fiber to be tested.
Cords must have an APC
connector at one end for the
HDR OTDR port.
FiberInspector Pro video probe
with USB connector
Fiber cleaning supplies
AC adapter (optional)
WCaution
Do not connect PC or UPC connectors to the HDR OTDR port.
Doing so can damage the port’s APC endface, and the large
reflection at the OTDR port can cause unreliable test results.
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