4. Remove the controller from the appliance:
a. Put on an ESD wristband or take other antistatic precautions.
b. Label the cables and then disconnect the cables and SFPs.
Attention: To prevent degraded performance, do
not twist, fold, pinch, or step on the cables.
c. Release the controller from the appliance by squeezing the latch on the cam handle until it
releases, and then open the cam handle to the right.
d. Using two hands and the cam handle, slide the controller out of the appliance.
Attention: Always use two hands to support the
weight of the controller.
e. Place the controller on a flat, static-free surface with the removable cover facing up.
f. Remove the cover by pressing down on the button and sliding the cover off.
5.
Remove the battery from the failed controller, and install it into the replacement controller:
a. Confirm that the green LED inside the controller (between the battery and the DIMMs) is
off.
If this green LED is on, the controller is still using battery power. You must wait for this
LED to go off before removing any components.
Item
Description
Internal Cache Active LED
Battery
b. Locate the blue release latch for the battery.
c. Unlatch the battery by pushing the release latch down and away from the controller.
Hardware Installation and Maintenance Guide for SG5700 Appliances 74
Maintaining the SG5700 appliance
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