14 High-Speed NFN Manual — P/N 54013:C4 8/8/2019
Network Configurations Network Wiring for Ground Fault Detection
• EXAMPLE 5: Example 4 above shows the HS-NCM shared by two network nodes. If the network wiring is being monitored by an
adjacent node (refer to Figure 3.9), the Ground Fault switch (SW4) on the shared HS-NCM should be set to OFF. The power supply
Ground Fault detection for each is dependent on the requirements of their respective network nodes.
Network Node
Network Node
Network Node
Power Supply
GF Detect Dis-
abled
Power Supply
GF Detect
Enabled
Power Supply
GF Detect
Enabled
NUP
Port
NUP
Ports
NUP
Port
GF Detect
Enabled
Figure 3.9 Shared HS-NCM Network Connection (EXAMPLE 5)
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