1 Power off the DuraStor 312R. See Powering Off on page 3-23. 2 Loosen the two thumb screws that secure the SAF-TE controller card to the storage enclosure. 3 Grasp the thumb screws and gently pull the SAF-TE controller card from the storage enclosure. 4 Align the replacement card with the rail guides of the open bay and push gently but firmly until the card seats completely. See Figure 5-10. 5 Tighten the thumb screws. (Do not overtighten.) 6 Set the switch settings. Refer to the note you made before step 1. 7 Power on the DuraStor 312R. See Turning On the Power on page 3-23. 5-13 5-14 DuraStor 6220SS/6200SR/312R Installation and User’s Guide Figure 5-10. Replacing the SAF-TE Controller Card Replacing the DuraStor 312R Chassis Warning: Drives and printed circuit board components are sensitive to electrostatic discharge. To prevent damage, establish a ground for yourself by using a wrist grounding strap, or by touching the metal chassis prior to handling the disk drives or printed circuit board components. Removing the Defective Enclosure 1 Power off the host computer. 2 Power off the DuraStor 312R. See Powering Off on page 3-23. Note: Note the location of the data cables, disk drives, and interface cards, and the switch settings on the SAF-TE controller card, prior to disconnecting or removing these items. Tag the cables and disk drives appropriately to make reinstallation easier. 3 Remove each of the interface cards. See Replacing the SAF-TE Controller Card on page 5-13 and Replacing the Disk I/O Card on page 5-12. 4 Disconnect the SCSI data cables and power cords. Warning!Damage will occur if Fan Module is removed for more than five minutes. A B FANS ACTIVE ACTIVE ACTIVE HUB FIBRE STATUS IN OUT 0 1 OUTPUT GOOD FAULT 0 1 OUTPUT GOOD FAULT SAF-TE CONTROLLER RS-232 D B A 0 A 1 S 0 S 1 S 2 D L R M Align with Rail Guides Maintaining the DuraStor Storage Subsystem Maintaining the DuraStor Storage Subsystem 5 Remove the cooling fan module. See Replacing the Cooling Fan Module on page 5-9. 6 Remove the PSUs. See Replacing a Power Supply Unit on page 5-10. 7 Remove the front bezel. See Removing the Front Bezel on page 3-7. Note: Remember to mark or tag the disk drives carefully. They must be installed in the replacement storage enclosure in exactly the same position. 8 Remove each disk drive, noting its position. See Replacing a RAID Controller on page 5-2. 9 Remove the defective DuraStor 312R storage enclosure from the rack cabinet. Reverse the procedures described in Mounting the Storage Enclosure on the Rack on page 3-8. Installing the New Enclosure 1 Install the new DuraStor 312R storage enclosure in the rack cabinet. See Mounting the Storage Enclosure on the Rack on page 3-8. 2 Install the interface cards. See Replacing the Disk I/O Card on page 5-12 and Replacing the SAF-TE Controller Card on page 5-13. 3 Install the cooling fan module. See Replacing the Cooling Fan Module on page 5-9. 4 Instal...

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