Grounding The Switch By Using The Ac Power Cord; Installing/Removing A Fan Tray - H3C S7500E-XS Series Installation Manual

Grounding the switch by using the AC power cord

If the installation site has no grounding strips, you can ground an AC-powered switch through the
protective earth (PE) wire of the power cord, but must make sure:
• The power cord has a PE terminal.
The ground contact in the power outlet is securely connected to the ground in the power distribution
•
room or on the AC transformer side.
• The power cord is securely connected to the power outlet.
NOTE:
If the ground contact in the power outlet is not connected to the ground, report the problem and reconstruct
the grounding system.
Figure 20 Grounding through the PE wire of the AC power cord
(1) Three-wire AC power cord
NOTE:
To guarantee the grounding effect, use the grounding cable provided with the switch to connect to the
grounding strip in the equipment room as long as possible.

Installing/removing a fan tray

Follow these guidelines when you install or remove a fan tray:
Do not power on the switch when the switch has no fan trays installed.
•
• You must install two fan trays of the same model for the switch.
(2) Chassis rear panel
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