Juniper EX8208 Manual de usuario

Removing an EX8208 Switch from a Rack or Cabinet Without Using a Mechanical

Lift

If you cannot use a mechanical lift to remove the switch (the preferred method), you

can remove it manually.

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 rear of the chassis. The rear

of the chassis is heavier than the front of the chassis, so when you lift the chassis by

the handles, the chassis tips toward the heavier back end. The person lifting from

the back must be aware of this behavior and must be braced to prevent the chassis

from tipping 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: When removing more than one switch from a rack, remove the switch

at the top first. We strongly recommend removing a switch that is in an upper position

in a rack or cabinet with a lift.

Before you remove the switch:

■Ensure that the rack or cabinet is stable and secured to the building.

■Ensure that there is enough space to place the removed switch in its new location

and along the path to the new location.

■Review chassis lifting guidelines as described in Chassis Lifting Guidelines for

EX8200 Switches.

■Ensure that the switch has been safely powered off (see Powering Off an EX8200

Switch) and that you have unplugged (disconnected) the power cords 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

■Removing an SF Module from an EX8208 Switch

■Removing a Line Card from an EX8200 Switch

Removing an EX8208 Switch from a Rack or Cabinet Without Using a Mechanical Lift ■1

■Removing a Fan Tray from an EX8208 Switch

■Removing an AC Power Supply from an EX8200 Switch

Ensure that you have the following parts and tools available to remove the switch:

■A Phillips (+) screwdriver, number 2 or number 3, depending on the size of

your rack mounting screws

To remove the switch from the rack (see Figure 1):

1. Use the appropriate Phillips (+) screwdriver to remove the 24 mounting screws

that attach the chassis front-mounting brackets to the rack or cabinet.

WARNING: To prevent injury, keep your back straight and 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.

2. With one person on each side and one person in the back, hold onto the bottom

of the chassis and carefully lift it out of the adjustable mounting brackets attached

to the rack. If you have a pallet jack, move the switch onto the pallet jack.

Figure 1: Removing an EX8208 Switch Chassis Without Using a Mechanical Lift

3. Carefully move the chassis to its new location.

2■Removing an EX8208 Switch from a Rack or Cabinet Without Using a Mechanical Lift

After you move the switch to its new location, reinstall the components in the chassis

or store the components in antistatic bags. See:

■Installing an SRE Module in an EX8208 Switch

■Installing an SF Module in an EX8208 Switch

■Installing a Line Card in an EX8200 Switch

■Installing a Fan Tray in an EX8208 Switch

■Installing an AC Power Supply in an EX8200 Switch

Related Topics ■Removing an EX8208 Switch from a Rack or Cabinet Using a Mechanical Lift

Published: 2009-07-15

Removing an EX8208 Switch from a Rack or Cabinet Without Using a Mechanical Lift ■3

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