2. Set the master on/off switch to 0. This removes power to the enclosure.
6.3 Installing the RA7x Disk Drive
To install additional drives, remove the front cover. As you face the front of the enclosure,
load the first add-on drive into the left position (position 3). Load the second add-on drive
into the right position (position 4).
Refer to Figure 6–1 and use the following procedure to install the RA7x disk drive into an
SA7x enclosure.
1. Ensure power has been removed from the enclosure. Refer to Section 6.2.
2. Remove the SA7x enclosure front cover. The front cover is attached to the enclosure with
two captive half-turn screws. Loosen the screws and lift the front cover up and out.
3. RA7x add-on disk drives arrive at the customer site with the drive shoeplate installed for
manufacturing purposes. The shoeplate needs to be reversed for enclosure applications.
Remove four screws, two per side, from the drive shoeplate. Reverse the shoeplate and
reinstall the four screws.
4. Orient the unpacked RA7x disk drive so that the drive shoeplate and enclosure shoeplate
guide are on the same side.
5. Hold the connectors clear of the drive and slide the disk drive into the selected position
in the enclosure.
6. Verify the shoe plate retaining clip has locked the drive in position.
7. Connect all cables tothe disk drive. Connectors arekeyed so that cables cannot be plugged
in incorrectly.
8. Replace the enclosure front cover and tighten the captive screws.
6–2 Installing RA7x Disk Drives
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