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30 Chapter 1 Installing the Nortel VPN Router 2700 chassis
NN46110-311 02.01
Installing the chassis in an equipment rack
To mount the VPN Router 2700 in an equipment rack, you need the following
equipment:
• a standard 19-inch equipment rack
• four screws (supplied with the chassis)
• four cage nuts (supplied with the chassis) if the rack does not have threaded
rail holes
• a #2 Phillips screwdriver
Rack-mount recommendations
When you mount the chassis in the rack, observe the following standard
recommendations:
• Ensure that the internal temperature of the rack does not exceed the maximum
recommended ambient temperature of 40
o
C (104
o
F).
• Do not block the power supply vents or otherwise restrict air flow when you
install the chassis in a rack.
• Stabilize your rack so that it does not tip over under the weight of the gateway
and other devices.
• Ensure that the electrical branch circuits can handle the VPN Router 2700 and
other units in the rack before you install and turn on the gateway.
• Maintain a reliable earth-ground path in the rack system. The gateway is
intended to connect to an earth ground.
Attaching the shelf in the equipment rack
The VPN Router 2700 ships with a rack-mount shelf to support the chassis in the
equipment rack.
To attach the shelf to the inside of the equipment rack:
1 If the holes in the rack’s vertical supports are not threaded, attach a cage nut in
four locations at the front of the rack (Figure 3 on page 31).