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2.4.1
Connecting High AC/DC Power
To connect a high AC/DC power supply to the device, do the following:
Electrical hazard – risk of damage to equipment
Before testing the dielectric strength (HIPOT) in the field, remove the braided
ground cable connected to the surge ground terminal and chassis ground. This cable
connects transient suppression circuitry to chassis ground and must be removed in
order to avoid damage to transient suppression circuitry during testing.
1.
2.
3.
4.
RUGGEDCOM RMC8388
Installation Manual, 11/2022, C79000-G8976-1188-05
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. Note that all line-to-ground
transient protection circuitry will be disabled.
NOTICE
Secure a European-style terminal block (or Euroblock) to the terminal.
Connect the positive wire from the power source to the positive/live (+/L)
terminal on the terminal block.
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2
3
Positive/Live (+/L) Terminal
1
Negative/Neutral (-/N) Terminal
2
Surge Ground Terminal
3
Power Supply Terminal
4
Braided Ground Cable
5
Figure 2.5
Terminal Block Wiring
Connect the negative wire from the power source to the negative/neutral (-/N)
terminal on the terminal block.
Using a braided wire or other appropriate grounding wire, connect the surge
ground terminal to the chassis ground connection. The surge ground terminal
2.4.1 Connecting High AC/DC Power
4
5
Installing the Device
15
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