Chapter 9: Certify Fiber Cabling
Requirements for Reliable Fiber Test Results
249
Use EF-TRCs that have the fiber core dimension
(50 µm or 62.5 µm) and type of connectors (SC, ST,
LC, or FC) that are the same as the fiber link. Do not
use EF-TRCs with hybrid patch cords to connect to
links that have other types of connectors.
GPU157.EPS
Figure 106. How to Prevent Damage to the EF-TRC Fiber Cables
About Standard Mandrels
Standard mandrels make measurements of multimode power loss
more reliable than if you use no mandrels, but the measurements
do not comply with the standards for encircled flux. Fluke
Networks recommends that you always use only the EF-TRCs with
the CertiFiber Pro multimode modules so that your measurements
comply with EF standards.
Minimum bend
diameter:
1.2 in (30 mm)
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