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Removing an AC Power Supply from an EX-series Switch
The AC power supply in EX-series
switches is a hot-removable and hot-insertable field-replaceable unit
(FRU) located on the rear panel.
Ensure you have the following tools and parts
- Electrostatic discharge (ESD) grounding strap
- Phillips (+) screwdriver, number 2
- An electrostatic bag or antistatic mat
Ensure you understand how to prevent ESD damage (see Preventing Electrostatic Discharge Damage).
Do not leave the power supply slot empty for a long
time while the switch is on. The power supply must remain in the chassis
for proper airflow.
To remove an AC power supply from an EX-series switch (see Figure 48):
- Place an electrostatic bag or antistatic mat
on a flat, stable surface so you can keep the power supply on it.
- Attach an electrostatic discharge (ESD) grounding
strap to your bare wrist, and connect the strap to the ESD point on
- Disconnect power from the switch by performing
one of the following:
- 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 male end of the power cord connected the power
- Remove the power cord from the AC appliance
inlet on the AC power supply faceplate. For instructions on removing
the power cord from the AC appliance inlet, see Connecting Power to an EX-series Switch.
- Loosen the locking lever screw on the left front
of the power supply by using a Phillips (+) screwdriver, number 2.
- Push down on the locking lever until it is in its
- Grasp the power supply handle and pull firmly to
slide it halfway out of the chassis.
- 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.
- Place the power supply in the electrostatic bag
or on the antistatic mat.
Figure 48: Removing an AC
Power Supply from an EX-series Switch
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