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
WARNING!
In power redundancy mode, you can replace a power supply without powering off the switch but must
strictly follow the installation and procedures in
to avoid any 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
gently. If you encounter a hard resistance while inserting the power supply, pull out the power supply and
insert it again.
1
2