DTX Series CableAnalyzer
Technical Reference Handbook
7-26
Autotest in Loopback Mode
Use Loopback mode to test spools of cable, segments of
uninstalled cable, and patch cords. In this mode, the tester
measures loss, length, and propagation delay at two
wavelengths in one or both directions.
Figure 7-12 shows the equipment required for testing fiber
in Loopback mode.
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