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HP 10504 Installation Manual: Grounding The Switch Through The Rtn Wire Of A Dc Power Supply

10500 switch series.
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Figure 16 Grounding the switch through the PE wire of the AC power supply
Grounding the switch through the RTN wire of a DC power
supply
CAUTION:
Make sure the RTN wire is reliably grounded from the DC egress of the DC power cabinet.
If the switch is powered by a –48 VDC power supply and no grounding strip is available at the
installation site, you can ground the switch through the return (RTN) wire of the DC power supply, as
shown in
Figure
Figure 17 Grounding the switch through the RTN wire of the DC power supply
17.
DC power
box
–48V strip
RTN strip
PGND strip
20

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This manual also for:

10508-v, 10508, 10512

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