1 Unplug the AC power cord from the AC power source first and then from the power supply.
2 Disconnect the RPS cable from the Redundant Power Supply connector at the rear of the power
supply.
3 Disconnect the RPS cable from the Redundant Power Supply connector on the switch.
4 If the power supply is installed in a rack, remove it from the rack:
a Holding the power supply securely, remove the captive screws that secure it to the STK-
RPS-1005CH3 shelf.
b Carefully slide the power supply out of the shelf.
5 If you want to replace the power supply with another one, follow the instructions in Installing an
RPS-150XT Redundant Power Supply on page 233.
Removing an RPS-500p Redundant Power Supply
To remove an installed RPS-500p that is attached to a switch, follow these steps.
Caution
Observe all ESD precautions when handling sensitive electronic equipment.
1 Unplug the AC power cord from the AC power source first and then from the power supply.
2 Disconnect the RPS cable from the Redundant Power Supply connector at the rear of the power
supply.
3 Disconnect the RPS cable from the Redundant Power Supply connector on the switch.
4 If the power supply is installed in a rack, remove it from the rack:
a Holding the power supply securely, remove the screws that attach it to the rack rails.
b Place the power supply onto a sturdy flat surface.
c Optionally, remove the rack-mounting brackets from the power supply.
5 If you want to replace the power supply with a new one, follow the instructions in Installing an
RPS-500p Redundant Power Supply on page 238.
Removing an STK-RPS-150PS Redundant Power Supply
Caution
Observe all ESD precautions when handling sensitive electronic equipment.
Note
The switch should not be powered on during installation or removal of the power supply. This
is not a hot-swap procedure. Follow the steps in the order specified.
To remove a power supply installed in an operating system, proceed as follows:
1 Unplug the AC power cord of the power supply from the AC power source first, then from the rear of
the power supply.
2 Loosen the captive screws securing the power supply until it is released from the RPS shelf front
panel.
3 Pull the power supply out and remove it from the RPS shelf.
Replacing AC Power Supplies
ExtremeSwitching and Summit Switches: Hardware Installation Guide 277
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