
Quick Installation Guide 9
WARNING: Safety regulations state that the selected table, shelf, or rack
must be able to support at least three times the weight of a fully loaded
chassis.
■ A fully loaded 8-slot chassis weighs approximately 71.7 kg (158 lb).
Therefore, the selected table, shelf, or rack must support at least
215.1 kg (474 lb).
WARNING: To ensure mechanical stability and to avoid circuit
overloading and improper grounding, follow the rack manufacturer’s
instructions for rack installation. If the instructions are unclear, consult a
qualified electrician.
Location Requirements
Install a Switch 4007R 8-slot chassis in an area that meets the following
requirements:
■ Ambient (room) temperature is from 0 °C to 50 °C (32 °F to 122 °F).
■ Relative humidity is between 10 and 90 percent, noncondensing.
■ The table, shelf, or rack on which you mount the chassis supports at
least three times the weight of a fully loaded chassis.
■ There is at least 91.4 cm (36 in.) in back of the chassis to remove and
replace fan trays and to ensure proper cooling in the chassis.
■ The power source is within approximately 2 meters (6.6 feet) of the
location where you plan to install the Switch 4007R.
■ Each of the power supplies connects to a dedicated socket. Do not
connect the power supplies to a power strip.
■ For a tabletop or shelf installation, the surface on which you want to
locate the Switch 4007R chassis is level.
■ For rack installations, the selected rack is grounded in accordance with
the rack manufacturer’s recommendations.
Before You Begin
Before you install the 8-slot chassis:
■ Move the Switch 4007R chassis close to where you plan to install it.
Place the chassis in front of the rack, table, or shelf that you plan to
use.
■ For a rack installation, make certain that you have a Phillips
screwdriver and a flat-blade screwdriver, the two mounting shelves,
4007RQS.book Page 9 Friday, January 25, 2002 10:27 AM