Location Of Control Unit; Environmental Requirements - AT&T MERLIN LEGEND Key System Planning

Preparation
Location of the Control Unit
Before installation, choose a room, closet, or other area where the system
control unit can be mounted on the wall. The area must meet the environmental
requirements in Table 1-1.
Table 1-1 Environmental Requirements
Distances Within 25 feet of the network interface (cannot be installed
outdoors)
Within 1000 feet of telephones
Within 5 feet of a dedicated AC power outlet (1 plug
per carrier)
Heat Fully loaded basic carrier:
Dissipation
Fully loaded 2-carrier:
Fully loaded 3-carrier:
Power Basic carrier: 117 VAC 60 Hz ± 1%
Requirements
2-carrier:
3-carrier:
1 properly grounded plug needed per carrier
Additional outlets if installing printers
and PCs
40°-I04°F; 4°-40°C (optimum temperature 60°F, 16°C)
Temperature
Humidity 20% - 80% relative humidity
Allow at least 1 inch of space on the right and left sides of
Ventilation
the control unit and 12 inches above and below the
control unit to prevent overheating.
Continued
500 Btu/hr
1000 Btu/hr
1500 Btu/hr
117 VAC 60 Hz ± 1%
117 VAC60HZ ± 1%
Location of the Control Unit
160 W 3 amps
320 W 6 amps
480 W 9 amps
1-5