Juniper EX8208 Hardware Manual page 241

the front of the chassis in the slots provided at the bottom. See
on page 40 and Slot Numbering for an EX8216 Switch.
Before you install an AC power supply in 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 install an AC power supply in an EX8200
switch chassis:
Electrostatic discharge (ESD) grounding strap
Phillips (+) screwdriver, number 1
NOTE: Each AC power supply must be connected to a dedicated AC power source outlet.
To install an AC power supply in 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. If the power supply slot has a cover panel on it, unscrew the screw on the side of the cover panel in
the counterclockwise direction using the Phillips (+) screwdriver, number 1, and remove the cover
panel. Save the cover panel for later use.
3. Taking care not to touch power supply components, pins, leads, or solder connections, remove the
power supply from its bag.
4. Flip the Enable switch next to the appliance inlet on the power supply to the Standby position.
5. Unscrew the captive screw in the counterclockwise direction using the Phillips (+) screwdriver, number
1.
6. Pull the captive screw away from the faceplate of the power supply to release the latch.
7. Pull the handle away from the faceplate of the power supply until it is perpendicular to the faceplate.
NOTE: Power supplies can be installed in any slot. You do not have to install the power
supplies in serial order.
"Slot Numbering for an EX8208 Switch"
"Prevention of Electrostatic Discharge Damage"
Figure 69 on page 242):
241