Removing An Ac Power Supply From An Ex8200 Switch - Juniper EX8208 Hardware Manual

Removing an AC Power Supply from an EX8200 Switch

The AC power supply in an EX8200 switch is a hot-removable and hot-insertable field-replaceable unit
(FRU). You remove AC power supplies from the front of the chassis.
CAUTION:
sufficient to power the switch left in the chassis. See
for an EX8208 Switch" on page 121
Switch.
Before you remove an AC power supply from the switch:
Ensure you understand how to prevent ESD damage. See
on page 381.
Ensure that you have the following parts and tools available to remove an AC power supply from an EX8200
switch chassis:
Electrostatic discharge (ESD) grounding strap
Phillips (+) screwdriver, number 1
Replacement power supply or a cover panel for the power supply slot
CAUTION:
is operational. Either replace the power supply promptly or install a cover panel over
the empty slot.
To remove an AC power supply from an EX8200 switch (see
1. Attach the electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to
the ESD point on the chassis.
2. Flip the Enable switch next to the appliance inlet on the power supply to the Standby position.
3. Disconnect power from the switch by performing one of the two following tasks:
If the AC power source outlet has a power switch, set it to the OFF position.
If the AC power source outlet does not have a power switch, gently pull the plug end of the power
cord connected to the power source outlet out of the outlet.
4. Remove the power cord from the AC appliance inlet on the AC power supply faceplate.
Before you remove a power supply, ensure that you have power supplies
Do not leave the power supply slot empty for a long time while the switch
"Calculating Power Requirements
or Calculating Power Requirements for an EX8216
"Prevention of Electrostatic Discharge Damage"
Figure 68 on page 240):
239