Grounding The Switch Through The Rtn Wire Of A Dc Power Supply - HP FlexFabric 11908-V Installation Manual

Figure 14 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 well 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 15.
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