Nortel Meridian 1 option 11C Planning And Installation Manual page 38

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• The equipment is located at least 12 ft (3660 mm) away from sources of
electrostatic, electromagnetic or radio frequency interference. These
sources may include:
— power tools
— appliances (such as vacuum cleaners)
— office business machines (such as copying machines)
— all electric motors
— electrical transformers.
The following earthquake bracing guidelines conform to the
requirements for the state of California specifications in the U.S.A.
The guidelines recommend that the installer mount the cabinets on a wall
using a sheet of 3/4 in. (20 mm) plywood as a backboard. The plywood should
be secured to the wall with a minimum of six fasteners. (Refer to Table 5 on
page 39 for a description of appropriate fasteners.)
Table 4 identifies the maximum allowable wall height in earthquake prone
areas for various types of stud wall construction.
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