9Figure 11 Mounting brackets and grounding cable installation positions on the S6820-4Cswitch(1) Auxiliary grounding point 2 (2) Power module-side mounting position(3) Primary grounding point (4) Port-side mounting position(5) Auxiliary grounding point 1Rack-mounting procedures at a glanceFigure 12 Rack-mounting procedureNOTE:If a rack shelf is available, you can put the switch on the rack shelf, slide the switch to an appropriatelocation, and attach the switch to the rack with the mounting brackets.Follow these guidelines when you install the switch in a 19-inch rack:• The distance between the front and rear posts of the rack must meet the requirementsdescribed in Table 4.• To secure the switch to the rack, you must install not only mounting brackets, but also chassisrails and slide rails.Table 4 Distance requirements between the front and rear rack postsSwitchmodel Installation methodMinimum distancebetween the frontand rear rack postsMaximum distancebetween the frontand rear rack postsS6820-32HUsing the mounting brackets andlong slide rails (provided) 621 mm (24.45 in) 934 mm (36.77 in)Using the mounting brackets andshort slide rails (optional) 401 mm (15.79 in) 714 mm (28.11 in)1 2 3 45