Tripp-Lite T040-001-DP Manuel De L'utilisateur page 5

Detecting Connections
Crossed Connection
If the wires in the cable are out of order or crossed, the LEDs on the Remote
Identifier will illuminate to show in what order they are wired. In the diagram
below, when the Master unit shows pin 14 illuminated, pin 19 on the
Remote unit will illuminate, indicating those connections are crossed.
Note: Crossed connections cannot be tested in "Continuity" mode.
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Continuity
Off
Sweep
Power
Master
Remote
5
4/30/2018 3:39:38 PM