2-21
Figure2-19 Mounting the switch under a table
Grounding the switch
WARNING!
Correctly connecting the switch grounding cable is crucial to lightning protection, ESD, and EMI
protection. For information about lightning protection, see
H3C Network Devices Lightning
Protection Guide
.
To protect against the following types of issues, use a grounding cable to connect the switch to the
earthing facility at the installation site:
•
Bodily injury from electric shocks.
•
Device and power and data line damages.
•
Electrical fires, lightning strokes, electromagnetic coupling interferences, and ESD damages.
You can ground the switch in one of the following ways, depending on the grounding conditions
available at the installation site:
•
Grounding the switch by using a grounding strip
•
Grounding the switch with a grounding conductor buried in the earth ground
NOTE:
The chassis views and power supply and grounding terminal positions in the following figures are for
illustration only.
Grounding the switch by using a grounding strip
WARNING!
Connect the grounding cable to the grounding system in the equipment room. Do not connect it to a
fire main or lightning rod.