Filter
Top Products
Quick Start
H3C S3100-SI Series Ethernet Switches
Chapter 3 Installation
3-9
3.3.3 Connecting Grounding wire
Caution:
You should properly connect the switch grounding wire since it is
crucial to the lightning protection and electromagnetic shield (EMS) of
your switch.
The power input end of the switch is connected with a noise filter,
whose central ground is directly connected to the chassis, forming the
so-called chassis ground (commonly known as PGND). This chassis
ground must be securely connected to the earth so that the faradism
and leakage electricity can be safely released to the earth, enhancing
the EMS capability of the switch.
Ground your switch as follows:
z When a grounding strip is available at the installation site,
attach one end of the yellow-green grounding wire of the
switch to the grounding screw on the grounding strip and
fasten the captive nut. (Note that the fire main and lightning
rod of your building are not suitable for grounding the switch.
The grounding wire of the switch should be connected to the
construction engineering ground of the equipment room.)