Juniper EX4500 Hardware Manual page 220

To install a Virtual Chassis module in the switch (see
1. Ensure that the switch is powered off:
If you are using AC power:
If the AC power source outlet has a power switch, set it to the OFF (0) 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.
If you are using DC power:
Open the input circuit breaker so that the cables will not become active during the installation process.
2. If the fan tray has not been removed from the switch, remove it. See
EX4500 Switch" on page
Virtual Chassis module.
3. Attach the ESD grounding strap to your bare wrist, and connect the strap to the ESD point on the
chassis.
4. Taking care not to touch module components, pins, leads, or solder connections, remove the Virtual
Chassis module from its bag.
5. Loosen the captive screws on the front faceplate of the module using the screwdriver.
CAUTION:
chassis, ensure the module is aligned correctly. Misalignment might cause the pins
to bend, making the module unusable.
6. Using both hands, place the Virtual Chassis module in the empty slot and slide it in until it is fully seated.
7. Tighten the captive screws using the screwdriver.
8. Reinstall the fan tray in the switch chassis. See
9. Connect power to the switch. See
"Connecting DC Power to an EX4500 Switch" on page
When the status (ST) LED on the Virtual Chassis module turns green, the module is ready for use.
190. Set it aside so that you can install it after you install the replacement
Before you slide the Virtual Chassis module into the slot on the switch
"Installing a Fan Tray in an EX4500 Switch" on page
"Connecting AC Power to an EX4500 Switch" on page 128
Figure 67 on page 221):
"Removing a Fan Tray from an
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or