Quick Start
H3C S3100-SI Series Ethernet Switches Chapter 3 Installation
3-11
y Figure 3-9 Grounding the switch by burying the grounding bod
into the earth
z For an AC-powered switch, if none of the above two
conditions is available, ground it through the PE wire of the
AC power supply. In this case, make sure this PE wire is well
connected to the ground at the power distribution room or
AC transformer.
(4)
(2)
(5)
(3)
(6)
(4)
(2)
(1)
(5)
(3)
()
(4)
(2)
(5)
(3)
(6)
(4)
(2)
(1)
(5)
(3)
()
(1) AC power input (2) Grounding screw
(3) Power transformer (4) PE wire
(5) 3-wire cable for AC power input (6) Ethernet switch
Figure 3-10 Grounding the switch through AC PE wire
z For a DC-powered switch (–48 VDC), if none of the first two
conditions is available, ground it through the return wire
(RTN) of the DC power supply. In this case, make sure this
RTN wire is well connected to the ground at the DC output of
the DC power cabinet.