Juniper QFX10016, Hardware Manual

Page: 265 / 439

1
—
ESD point
Figure 109: ESD Point on QFX10016 Chassis Rear
1
—
ESD point
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 outlets have a power switch, set them to the OFF position.
• If the AC power source outlets do not have a power switch, gently pull the plug end of the power
cords connected to the power source outlets out of the outlets.
4. Remove the power cords from the AC appliance inlets on the AC power supply faceplate.
5. Turn the adjustment nut of the power cord retainers counterclockwise till you can see the power
cord. Pull the power cord from the slot in the adjustment nuts.
6. Unscrew the captive screw counterclockwise by using your fingers or by using the
Phillips (+) screwdriver, number 1. See Figure 110 on page 256 and Figure 111 on page 257 .
7. Rotate the captive screw away from the faceplate of the power supply to release the latch.
8. Taking care not to touch the power supply output connections, pins, leads, or solder connections,
place one hand under the power supply to support it. Grasp the power supply handle with your other
hand and pull the power supply completely out of the chassis.
254