
Installation Manual
H3C S3600 Series Ethernet Switches
Chapter 3 Installation
3-14
(1)
(2)
(5)
(3)
(4)
(1)
(2)
(5)
(3)
(4)
(1) Power input
(2) Grounding screw
(3) Ground wire
(4) Earth
(5) Angle iron
Figure 3-19
Grounding the switch by burying the grounding body 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 side.
(4)
(2)
(1)
(5)
(3)
(6)
(4)
(2)
(1)
(5)
(3)
(6)
(1) AC-input
(2) Grounding screw
(3) Power transformer
(4) PE wire
(5) AC-input (with 3-wire cable)
(6) Ethernet switch
Figure 3-20
Grounding through the AC PE wire
z
For a DC-powered switch, 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.