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CAUTION: The chassis with only the backplane and no other components weighs
approximately 89 lb (41 kg). Lifting the chassis and removing it from a rack or cabinet
requires at least three people.
The chassis has two handles. Do not lift a fully loaded chassis by the handles; make
sure the chassis is empty before you lift it. If two of the people lifting the chassis use
the handles to lift it, the third person must lift from the rearof the chassis. The rearof
the chassis is heavierthan the front of the chassis, so when you lift the chassis by the
handles, the chassis tips toward the heavierback end. The personlifting fromthe back
mustbe awareof this behaviorand must be bracedto preventthe chassis fromtipping
over.
When lifting the chassis, do not grasp the switch by the blue panel at the top front of
the chassis. Doing so can cause the panel to pop off of the switch.
CAUTION: Whenremovingmorethan oneswitchfroma rack,remove theswitchatthe
top first. We strongly recommend removing a switch that is in an upper position in a
rackor cabinet with a lift.
Before you remove the switch:
•
Ensure that the rack or cabinet is stable and secured to the building.
•
Ensure thatthere is enough space to place the removed switch in its new location and
along the path to the new location.
•
Reviewchassisliftingguidelinesasdescribedin“ChassisLiftingGuidelinesforEX8200
Switches” on page 276.
•
Ensure that the switch has been safely powered off (see “Powering Off an EX8200
Switch”onpage199) and thatyouhave unplugged(disconnected)thepowercords to
the power supplies.
•
Ensure that you have disconnected any cables or wires attached to the switch ports.
•
Remove all components except the backplane from the chassis. See:
•
Removing an SRE Module from an EX8208 Switch on page 215
•
Removing an SF Module from an EX8208 Switch on page 217
•
Removing a Line Card from an EX8200 Switch on page 218
•
Removing a Fan Tray from an EX8208 Switch on page 211
•
Removing an AC Power Supply from an EX8200 Switch on page 207
Copyright ©2010,Juniper Networks,Inc.204
CompleteHardwareGuide forEX8208 EthernetSwitches