20
Figure 27 Grounding through the PE wire of the AC power cord
(1) Chassis rear panel (2) 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 power supply
ARNING!
In power redundancy mode, you can replace a power supply without powering off the switch but must
strictly follow the installation and procedures in Figure 28 and Figure 29 to avoid a
ny bodily injury or
damage to the switch.
Figure 28 Installation procedure
Figure 29 Removal procedure
Installing a PSR150 series power supply
CAUTION:
To prevent damage to the power supply or the connectors on the backplane, insert the power supply
ently. If you encounter a hard resistance while insertin
the power supply, pull out the power supply and
insert it again.
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