Juniper QFX10002 Hardware Manual page 136

2. Attach the ESD grounding strap to your bare wrist, and connect the strap to the ESD point on the
chassis.
NOTE: If only one power supply is installed in your QFX10002 device, you need to power off
the switch before removing the power supply. See
3. Disconnect power to the switch:
• AC power supply—If the AC power source outlet has a power switch, set it to the OFF (O)
position. If the AC power source outlet does not have a power switch, gently pull out the plug end
of the power cord connected to the power source outlet.
• DC power supply—Switch the circuit breaker on the panel board that services the DC circuit to
the OFF position.
4. Remove the power source cable from the power supply faceplate:
• AC power supply—Remove the power cord from the power supply faceplate by detaching the
power cord retainer and gently pulling out the socket end of the power plug connected to the
power supply faceplate.
• DC power supply—Loosen the thumb screws for the power cord. Gently pull out the socket end
of the power plug connected to the power supply faceplate.
5. Slide the locking lever toward the handle until it stops.
6. Grasp the power supply handle and pull firmly to slide the power supply halfway out of the chassis.
Figure 47: Removing a Power Supply from a QFX10002-72Q
7. Place one hand under the power supply to support it and slide it completely out of the chassis. Take
care not to touch power supply components, pins, leads, or solder connections.
8. Place the power supply in the antistatic bag or on the antistatic mat placed on a flat, stable surface.
9. Either replace with another power supply or insert a PSU blank cover (QFX10002-PWR-BLNK).
"Powering Off a QFX10002" on page
127
139.