Juniper EX4500 Hardware Manual page 129

CAUTION:
chassis to overheat. See
page 201.
Ensure that you have connected the device chassis to earth ground, if required by your site guidelines or
installation. A ground connection to the protective earthing terminal is not required for an AC-powered
switch. The AC power cords provide adequate grounding when you connect the power supply in the switch
to a grounded AC power outlet by using the AC power cord appropriate for your geographical location
(see "AC Power Cord Specifications for an EX4500 Switch" on page
CAUTION:
have a licensed electrician complete this connection before you connect the switch
to power. For instructions on connecting earth ground, see
an EX Series Switch" on page
NOTE: Each power supply must be connected to a dedicated AC power source outlet.
Before you begin to connect power to the switch:
Ensure you understand how to prevent ESD damage. See
on page 305.
Install power supplies in the switch. See
Ensure that you have the following parts and tools available to connect power to the switch:
Electrostatic discharge (ESD) grounding strap
Power cords appropriate for your geographical location. See
EX4500 Switch" on page
WARNING:
or drape where people can trip on them.
To connect AC power to the switch:
Operating the switch with an incorrect power supply might cause the
"Installing an AC Power Supply in an EX4500 Switch" on
For installations that require a separate grounding conductor to the chassis,
121.
"Installing an AC Power Supply in an EX4500 Switch" on page
62.
Ensure that the power cords do not block access to switch components
62).
"Connect Earth Ground to
"Prevention of Electrostatic Discharge Damage"
"AC Power Cord Specifications for an
129
201.