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Electromagnetic Interference (EMI) affects the transmission performance of a device. By
properly grounding the device to earth ground through a drain wire, you can setup the best
possible noise immunity and emissions.
Figure 22: Grounding Connection
By connecting the ground terminal by drain wire to earth ground the switch and chassis can be
ground.
Before applying power to the grounded switch, it is advisable to use a volt meter to ensure
there is no voltage difference between the power supply's negative output terminal and the
grounding point on the switch.
2.7.4 WIRING A RELAY CONTACT
The following section details the wiring of the relay output. The terminal block on the SE500
Series is wired and then installed onto the terminal receptor located on the SE500 Series.
Figure 23: Terminal Receptor for Non-PoE models
48
eWorx SE500 Series Switches
:
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