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Install Upgrades and FRUs
Release 3.3 213
Peripheral Node FRUs
Power Down the Peripheral Unit
To power down a Peripheral Unit:
1. Remove the front panels.
2. Switch off the power converter.
3. Set the power switch on the rear of the node to ‘0’ (OFF).
4. Unplug the external power cord at the rear of the node.
Power Up the Peripheral Unit
To power up a Peripheral Unit:
1. Ensure the voltage selector switch is set to the required setting for your country.
2. Connect the power cord at the rear of the unit to the external AC power source.
3. Set the power switch on the rear of the node to ‘I’ (ON).
4. Set the switch on the power converter faceplate to ‘I’ (ON).
Remove a Front Panel
To remove a front panel from the DSU or Peripheral Unit:
1. Insert a screwdriver in the slot on the right side of the front grill and pry it open.
2. Loosen the two screws on the front cover and lift the cover up and away from the cabinet.
Replace a Front Panel
To replace a front panel in a DSU or Peripheral Unit:
1. Align the front panel screws with the holes in the cabinet and tighten the two screws.
2. Insert the left front grill into the slot and snap it closed.
Remove a Circuit Card
To remove a DSU or Peripheral Unit circuit card:
CAUTION: Wear an anti-static wrist strap whenever you handle circuit cards.
1. Enter BUSY <PLID of faulty card>, and select the COURTESY DOWN option.
2. To confirm that all circuits are in the busy state, enter STATE <PLID of faulty card>.
3. Pull the upper and lower latches outward until they are both in the horizontal release
position.
4. Draw the card toward you.
5. Immediately place the card in an anti-static bag.