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Maintenance 34
7. Replace the screw.
8. Replace the option card.
9. Reconnect the external cable to the card.
10. Verify that the UPS is configured to the proper voltage and number of attached ERMs. See
"Configuring the UPS (on page 28)."
11. Replace the front bezel.
Replacing the UPS option card
This component is hot-swappable and can be replaced without powering down the UPS.
1. (optional) To replace the component with the UPS powered down, refer to "Powering down the UPS
(on page 30)."
2. Disconnect the communications cable from the option card.
3. Remove the two screws securing the option card and slide the card out.