Juniper EX9214

NOTE: If you have a Juniper J-Care service contract, register any addion, change, or upgrade of
hardware components at hps://www.juniper.net/customers/support/tools/updateinstallbase/ .
Failure to do so can result in signicant delays if you need replacement parts. This note does not
apply if you replace exisng components with the same type of component.
To connect power to an AC power supply, see "Connecng AC Power to an EX9214 Switch" on page
174.
SEE ALSO
AC Power Supply in an EX9214 Switch | 43
Removing a DC Power Supply from an EX9214 Switch
Before you remove a DC power supply from the switch:
• Ensure that you understand how to prevent Electrostac discharge (ESD) damage. See Prevenon of
Electrostac Discharge Damage .
Ensure that you have the following parts and tools available to remove a DC power supply from an
EX9214 switch chassis:
• ESD grounding strap
• Phillips (+) screwdrivers, number 1 and 2
• 3/8 in. (9.5 mm) nut driver or socket wrench
• Replacement power supply or cover panel for the power supply slot
The DC power supply in an EX9214 switch is a hot-removable and hot-insertable eld-replaceable unit
(FRU). You remove DC power supplies from the front of the chassis.
CAUTION: Before you remove a power supply, ensure that you have power supplies
sucient to power the switch that remains in the chassis. See "Power Requirements for
EX9200 Switch Components" on page 57.
218