Precautions for Installation, Exchange

3.Installation of the EX-16 System

3.1Precautions for Installation

3.1.1Exchange

Pay particular attention to the following points:

*The layout should allow easy servicing and inspection.

*The exchange is compact and lightweight; however, it is important to ascertain the strength of the wall on which it will be placed.

*The exchange should be grounded. When it is used in combination with other systems (for example, with a PA system) the exchange should be connected to the other components for common grounding.

*Choose a low "source noise" AC power supply for the exchange. Line noise can affect speech quality.

*Make sure that the AC power circuit provides adequate insulation and capacity.

This high-performance exchange is compact as well as quiet, and can be

easily installed almost anywhere. Areas described below, however, should

be strictly avoided.

*An area where it will obstruct traffic, for example, in a hallway or near the entrance or exit of a room.

*An area where it will be exposed to fire, heat or direct sunlight. Suitable ambient temperature is +32°~104°F (0°~40°C).

*A dusty area where it will be exposed to metal dust or dirt.

*Near a storage place for chemicals, oil, etc.

*An area subject to vibration.

*Near high-voltage equipment.

*In a strong electrical field.

*Near equipment vulnerable to the influence of an electrical field.