IBM TotalStorage 300 Service Manual page 105

a. Move the metal latch on the GBIC to the unlocked (center) position.
b. Pull the GBIC out of the port.
c. Insert the protective cap on the GBIC.
6. Remove the failed RAID controller (the Fault LED is on), as follows:
a. Push down on the latch (centered above the RAID controller). The levers
pop out of the locked position.
b. Grasp the pull-rings; then, pull on the levers and remove the RAID
controller.
To install a new RAID controller, perform the following steps:
1. Unpack the new RAID controller.
Set the RAID controller on a dry, level surface away from magnetic fields.
Save the packing material and documentation in case you need to return the
RAID controller.
2. Using a Phillips head screwdriver, remove the eight screws from the battery
access panel on the bottom of the replacement RAID controller CRU.
3. Connect the battery harness on the battery to the two-pin connector on the
controller board.
4. Position the battery inside the replacement RAID controller, and replace the
battery-access panel.
Chapter 5. Installing and replacing IBM NAS 300 components
95