Juniper EX8208 Hardware Manual page 246

Ensure you understand how to prevent ESD damage. See
on page 381.
Ensure that you have the following parts and tools available to install a DC power supply in an EX8200
switch chassis:
Electrostatic discharge (ESD) grounding strap
Phillips (+) screwdriver, number 1
To install a DC 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 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.
8. Using both hands, place the power supply in the power supply slot on the front of the switch. Slide the
power supply straight into the chassis until the power supply is fully seated in the slot. Ensure the
power supply faceplate is flush with any adjacent power supply faceplates or power supply cover
panels.
9. Push the handle towards the faceplate of the power supply until it is flush against the faceplate.
"Prevention of Electrostatic Discharge Damage"
Figure 72 on page 247):
246