AT&T Definity Callmaster I Instruction Manual Page 108

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ENVIRONMENTAL REQUIREMENTS
Earthquake Protection
When earthquake or disaster bracing is required by law, or when local engineering feels that
bracing is necessary, the system cabinet can be bolted to the floor. Figure 14 shows the zones
in the North American continent where bracing may be desirable.
Note: A greater susceptibility of an area to earthquakes is indicated by a higher number in
Figure 14. In the United States, 0 represents the lowest susceptibility and 4
represents the highest. In Canada, 0 represents the lowest susceptibility and 3
represents the highest.
Refer to the
DEFINITY
Communications System Generic 1 and Generic 3—Installation and
Test
, 555-230-104 manual for details regarding the installation of earthquake bracing.
Floor Space
The floor space requirements in the equipment room vary for each system.
With Single-Carrier Cabinet(s)
The following system equipment and optional peripheral equipment occupies floor space in the
equipment room (Figure 10):
System Cabinet and Cable Slack Manager—The system cabinet is 27 inches wide and
22 inches deep. A single cabinet is about 20 inches high, a two-cabinet system is 39
inches high, a three-cabinet system is 58 inches high, and a four-cabinet system is 77
inches high. The cable slack manager requires 38 inches between the cabinet and wall.
The system cabinets and cable slack manager occupy about 8 square feet of floor space.
With Multi-Carrier Cabinet(s)
The following system equipment and optional peripheral equipment occupies floor space in the
equipment room (Figures 11, 12, and 13):
System Cabinet and Cable Slack Manager—The system cabinet is 32 inches wide and
28 inches deep. The cabinet is 70 inches high. The cable slack manager requires 38
inches between the cabinet and wall. Each cabinet (including the door opening) and
cable slack manager occupy about 22 square feet of floor space.
Auxiliary Cabinet—The auxiliary cabinet is 32 inches wide, 24 inches deep, and 70
inches high. This cabinet (including the door opening and maintenance area behind the
cabinet) occupies about 22 square feet of floor space.
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