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Mounting an EX8208 Switch on a Rack or Cabinet
The EX8208 switch ships installed with front-mounting brackets on the chassis for
mounting the switch on a 19-in. equipment rack or cabinet. The switch also comes with
adjustable mounting brackets to support it in the rack.
In a four-post rack, the switch consumes 14 U without the optional power cord tray and
15 U with the optional power cord tray. In a two-post rack, the power cord tray is
mandatory. The switch with the power cord tray consumes 15 U. You can mount up to
three switches on a 42 U four-post rack or on a 45 U two-post rack provided that the
racks meet the strength requirements to support the combined weight of the switches.
NOTE: If you are mounting multiple switcheson a rack or cabinet, mount a switch on
the bottom of the rack or cabinet first and then mount the rest of the switches from
bottom to top.
WARNING: Ifyouinstalltheswitchwithoutusingamechanicallift,atleastthreepeople
must be available tolift the unloaded switch chassis (all components except the
backplaneremoved) onto the adjustablemounting brackets (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 the chassis
securely on a rack or cabinet.
Before mounting an EX8208 switch on a rack or cabinet:
•
Verify that the site meets the requirements described in “Site Preparation Checklist
for an EX8200 Switch” on page 91.
•
Place the rack or cabinet in its permanent location, allowing adequate clearance for
airflow and maintenance, and secure it to the building structure. See “Clearance
RequirementsforAirflowandHardwareMaintenanceforanEX8208Switch”onpage101
for detailed information.
•
Read “General Safety Guidelines and Warnings for EX Series Switches” on page 263,
withparticularattentionto“ChassisLiftingGuidelinesforEX8200Switches”onpage276.
•
Remove the switch from the shipping box (see “Unpacking an EX8200 Switch” on
page 126).
Ensure that you have the following parts and tools available to mount the switch on a
rack or cabinet:
•
A Phillips (+) screwdriver, number 2 or number 3, depending on the size of your rack
mounting screws, for mounting the switch on a rack or cabinet
Copyright ©2010,Juniper Networks,Inc.138
CompleteHardwareGuide forEX8208 EthernetSwitches