Dell PowerEdge 2650 Installation Manual

Also see for PowerEdge 2650: Manual Installation guide Installation guide Install guide Information update

Contents

Dell PowerEdge 2650 Installation Manual Manual pdf 26 page image

1-20 Rack Installation Guidew w w . d e l l . c o m | s u p p o r t . d e l l . c o m Marking the RackYou must allow 2 U (88 mm or 3.5 inches) of vertical space for each system you install in thetwo-post rack.Universal-Hole Spacing RacksIndustry-standard two-post racks with universal-hole spacing have an alternating pattern ofthree holes per U with center-to-center hole spacing (beginning at the top hole of a 1-Uspace) of 15.9 mm, 15.9 mm, and 12.7 mm (0.625 inch, 0.625 inch, and 0.5 inch) for thefront and back vertical column of holes (see Figure 1-13).F i g u r e 1 - 1 3 . Tw o - P o s t , O p e n - F r a m e R e l a y R a c k U n i v e r s a l - H o l e S p a c i n gWide-Hole Spacing RacksSome two-post racks with wide-hole spacing have an alternating pattern of two holes per Uwith center-to-center hole spacing (beginning at the top hole of a 1-U space) of 31.7 mmand 12.7 mm (1.25 inches and 0.5 inch) for the front and back vertical column of holes (seeFigure 1-14).44 mm 1.75 inches (1 U)15.9 mm (0.625 inch)12.7 mm (0.5 inch)15.9 mm (0.625 inch)15.9 mm (0.625 inch)