H3C S3600 Series Installation Manual page 64

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