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.
If the ground contact in the power outlet is not connected to the ground, report the problem and reconstruct
the grounding system.
Figure 15 Grounding through the PE wire of the AC power cord
(1) Chassis rear panel
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 power supply
In power redundancy mode, you can replace a power supply without powering off the switch but must
strictly follow the installation and procedures in
damage to the switch.
Figure 16 Installation procedure
(2) Three-wire AC power cable
to avoid any bodily injury or