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To install the switch in the rack or cabinet (see Figure 50 on page 146 and Figure 51 on
page 147):
CAUTION: Ifyouareinstalling morethan oneswitchin arackor cabinet,installthe first
one at the bottomof the rack. Do not attempt to install a switch manually in an upper
position in a rack or cabinet.
1. Ensure that the rack or cabinet is placed in its permanent location and is secured to
the building.
2. Positiontheswitchinfrontoftherackorcabinet,centeringitinfrontoftheadjustable
mounting brackets. Use a pallet jack if one is available.
3. With one person on each side and one person in the rear, hold the bottom of the
chassis and carefully lift it onto the adjustable mounting brackets installed in a
four-post rack or onto the power cord tray installed in a two-post rack. See Figure
49 on page 145.
WARNING: To preventinjury, keep yourback straightand lift with your legs, not your
back. Do not twist your body as you lift. Balance the load evenly and be sure that your
footing is firm.
Figure49:Liftingan EX8208 SwitchChassisWithoutUsing aMechanical
Lift
4. In a four-post rack, carefully slide the switch onto the adjustable mounting brackets
until the front-mountingbrackets attachedto the chassiscontactthe rackrails. The
145Copyright©2010,Juniper Networks,Inc.
Chapter8:Installing theSwitch