2Safety TipsCaution: A fully loaded enclosure is heavy. Reduce the weightof the enclosure by removing the drive carriers beforeinstalling the enclosure in the rack or tower. (You can alsoremove the two APCs to further reduce the weight, ifrequired. See the Adaptec Storage Enclosure Installation andUser’s Guide on the CD for instructions.)Caution: To prevent personal injury, have someone assist youduring rack installation.Caution: If you are installing your enclosure in a rack, preventpersonal injury and equipment damage by following the rackmanufacturer’s safety instructions. Install your enclosure onlyin a rack that has been properly secured in an area withsuitable environmental conditions.Step 1: Installing into a Rack or Tower(optional)Note: Mounting rails for rack installation are sold separately.To purchase a rail kit, see your Adaptec reseller.Required tools:■ Phillips-head screwdriver■ Wrench for tightening nuts (if your rack does not have threadedholes)If you are not installing your Storage Enclosure into a rack ortower, skip to Step 2: Installing the Drive Carriers on page 6.■ To install your Storage Enclosure into an rack, see page 3.■ To install your Storage Enclosure into a tower assembly, seepage 5.!!!