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Cisco Wide Area Application Engine 512 and 612 Hardware Installation Guide
OL-9137-02
Chapter 2 Preparing to Install the Cisco Wide Area Application Engine
Safety Guidelines
Do not extend more than one device out of the rack at the same time.
Remove the rack doors and side panels to provide easier access during
installation.
Connect the device to a properly grounded outlet.
Do not overload the power outlet when installing multiple devices in the rack.
Do not place any object weighing more than 110 lb (50 kg) on top of
rack-mounted devices.