Mounting a J-EX8208 Switch on a Rack or CabinetThe J-EX8208 switch ships installed with front-mounting brackets on the chassis formounting the switch on a 19-in. equipment rack or cabinet. The switch also comes withadjustable mounting brackets to support it in the rack.In a four-post rack, the switch consumes 14 U without the optional power cord tray and15 U with the optional power cord tray. In a two-post rack, the power cord tray ismandatory. The switch with the power cord tray consumes 15 U. You can mount up tothree switches on a 42 U four-post rack or on a 45 U two-post rack provided that theracks meet the strength requirements to support the combined weight of the switches.NOTE: If you are mounting multiple switches on a rack or cabinet, mount aswitch on the bottom of the rack or cabinet first and then mount the rest ofthe switches from bottom to top.WARNING: If you install the switch without using a mechanical lift, at leastthree people must be available to lift the unloaded switch chassis (allcomponents except the backplane removed) onto the adjustable mountingbrackets (in a four-post rack or cabinet) or onto the lip of the power cord tray(in a two-post rack or cabinet).CAUTION: Do not install line cards in the chassis until after you mount thechassis securely on a rack or cabinet.Before mounting a J-EX8208 switch on a rack or cabinet:• Verify that the site meets the requirements described in “Site Preparation Checklistfor a J-EX8200 Switch” on page 57.• Place the rack or cabinet in its permanent location, allowing adequate clearance forairflow and maintenance, and secure it to the building structure. See “ClearanceRequirements for Airflow and Hardware Maintenance for a J-EX8208 Switch” onpage 67 for detailed information.• Read “General Safety Guidelines and Warnings for J-EX Series Switches” on page 207,with particular attention to “Chassis Lifting Guidelines for J-EX8200 Switches” onpage 220.• Remove the switch from the shipping box (see “Unpacking a J-EX8200 Switch” onpage 90).101Chapter 8: Installing the Switch
