Grounding The Router Through The Rtn Wire Of A Dc Power Supply - H3C CR16000-F Installation Manual

Figure 11 Grounding the router through the PE wire of the AC power supply
Grounding the router through the RTN wire of a DC power
supply
CAUTION:
Make sure the RTN wire is correctly grounded from the DC egress of the DC power cabinet.
If the router is powered by a –48 V DC power supply and no grounding strip is available at the
installation site, you can ground the router through the return (RTN) wire of the DC power supply, as
shown in Figure
Figure 12 Grounding the router through the RTN wire of the DC power supply
12.
DC power box
-48V busbar
RTN busbar
PGND busbar
Ground
11