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The power supplies in EX4100 switches are hot-removable and hot-insertable field-replaceable units
(FRUs) installed in the rear panel of the switch. If two power supplies are installed, you can remove and
replace them without powering off the switch or disrupting switch functions.
NOTE: If only one power supply is installed in the switch, you must power off the switch before
removing the power supply.
CAUTION: We recommend that you install either a replacement power supply or a
cover panel in the empty power supply slot to prevent chassis overheating and dust
accumulation.
To remove an AC power supply from the switch (see
1.
Place the antistatic bag or the antistatic mat on a flat, stable surface.
2.
Attach the ESD grounding strap to your bare wrist, and connect the strap to the ESD point on the
chassis.
3.
If the AC power source outlet has a power switch, set it to the OFF (O) position.
4.
Gently pull out the plug end of the power cord connected to the power source outlet.
5.
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 cord connected to the power supply faceplate.
6.
Slide the ejector lever toward the left until the power supply is unseated.
7.
Grasp the power supply handle and pull firmly to slide the power supply halfway out of the chassis.
8.
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.
9.
Place the power supply in the antistatic bag or on the antistatic mat placed on a flat, stable surface.
10. If you are not replacing the power supply, install the cover panel over the slot.
Figure 102: Remove an AC Power Supply from an EX4100 Switch
Figure 102 on page
186):
186
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