Replacing Components
7Plug the interface cables into the card.
8 Connect power and reboot the unit.
Replacing the Backplane
The backplane cannot be replaced
To Replace an AC Adapter.
>>Check to see if unit has a backup supply attached. If yes, then unplug the faulty one and replace it with a new one.
>>If the unit has no backup supply, plug the new AC adapter into the appropriate backup plug and remove the faulty AC adapter.