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Installing the Device
2.4.3 Disabling Line-to-Ground Transient Protection
2
Ground Bus
3
300 VDC Breaker
4
DC Power Source (PS2)
5
DC Power Source (PS1)
Figure 2.8
DC and DC Power Supply Wiring Example
2.4.3
Disabling Line-to-Ground Transient Protection
All line-to-ground transient energy is shunted to the Surge Ground terminal. In cases
where users require the inputs to be isolated from ground, remove the ground braid
between Surge and Chassis Ground. All line-to-ground transient protection circuitry
will be disabled.
Figure 2.9
Surge Ground/Chassis Ground Connection
16
RUGGEDCOM M969
Installation Manual, 01/2021, C79000-G8976-1039-03