■ Connecting AC Power to an EX8200 Switch
■ Connecting DC Power to an EX8200 Switch
■ General Safety Guidelines and Warnings for EX Series Switches on page 145
■ Grounded Equipment Warning for EX Series Switches on page 163
Connecting AC Power to an EX4500 Switch
The AC power supply in an EX4500 switch is a hot-removable and hot-insertable
field-replaceable unit (FRU). After you have installed at least one power supply, you
can connect power to the switch.
CAUTION: Operating the switch with an incorrect power supply might cause the
chassis to overheat. See “Installing a Power Supply in an EX4500 Switch” on page 74.
CAUTION: To meet safety and electromagnetic interference (EMI) requirements and
to ensure proper operation, you must connect the switch to earth ground before you
connect it to power.
For installations that require a separate grounding conductor to the chassis, use the
protective earthing terminal on the switch chassis to connect to the earth ground.
For instructions on connecting the switch to ground using a separate grounding
conductor, see “Connecting Earth Ground to an EX Series Switch” on page 83.
The switch gets additional grounding when you plug the power supply in the switch
into 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 57.
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 “Prevention of
Electrostatic Discharge Damage on EX Series Switches” on page 174.
■ Install power supplies in the switch. See “Installing a Power Supply in an EX4500
Switch” on page 74.
Ensure that you have the following parts and tools available to connect power to the
switch:
■ Electrostatic discharge (ESD) grounding strap
Connecting AC Power to an EX4500 Switch ■ 89
Chapter 10: Connecting the Switch
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