2 humidity, 3 air quality, 3 equipment ventilation – Motorola DR 3000 User Manual
Page 9: 4 ac input power requirements, 1 circuit overloading, 5 equipment mounting methods, Humidity -2, Air quality -2, Equipment ventilation -2, Ac input power requirements -2 1.4.1
June 12, 2007
6866576D02
1-2
Pre-Installation Considerations: Equipment Ventilation
1.2.2
Humidity
Not to exceed 95% relative humidity @ 50°C (122°F).
1.2.3
Air Quality
For equipment operating in an environmentally controlled environment with repeater(s) rack
mounted, the airborne particle level must not exceed 25 µg/m³.
For equipment operating in an area which is not environmentally controlled (repeater(s) cabinet
mounted), air borne particle level must not exceed 90 µg/m³.
1.3
Equipment Ventilation
The repeater is equipped with a cooling fan that is used to provide forced convection cooling. When
planning the installation, observe the following ventilation guidelines:
• Customer-supplied cabinets must be equipped with ventilation slots or openings in the front (for
air entry) and back or side panels (for air to exit). If several repeaters are installed in a single
cabinet, be sure ventilation openings surround each repeater to allow for adequate cooling.
• All cabinets must have a least 15 cm (6 inches) of open space between the air vents and any
wall or other cabinets. This allows adequate air flow.
• When multiple cabinets (each equipped with several repeaters) are installed in an enclosed
area, make sure the temperature within each cabinet does not exceed the recommended/
maximum operating temperature of +16°C (+140°F). It may be necessary to have air
conditioning or other climate control equipment installed to satisfy the environmental
requirements.
1.4
AC Input Power Requirements
The repeater is equipped with a switching power supply, this assembly operates from 100Vac to
240Vac at 47 to 63Hz AC input power. A standard 3-prong line cord is supplied to connect the power
supply to the AC source.
It is recommended that a standard 3-wire grounded electrical outlet be used as the AC source.
The outlet must be connected to an AC source capable of supplying a maximum of 280W. For a
nominal 110/120Vac input, the AC source must supply 5A and should be protected by circuit breaker
rated at 15A. For a nominal 220/240Vac input, the AC source must supply 3A and should be
protected by a circuit breaker rated at 10A.
1.4.1
Circuit Overloading
Consideration should be given to the connection of the equipment to the supply circuit and the effect
that overloading of the circuits might have on overcurrent protection and supply wiring. Appropriate
consideration of equipment ratings should be used when addressing this concern.
1.5
Equipment Mounting Methods
The MOTOTRBO Repeater may be mounted in a rack, bracket or cabinet (available as accessories).
The AC socket outlet must be installed near the equipment and must be easily
accessible.
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C a u t i o n