Toa EX-610, Руководство по установке

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PART2. INSTALLATION OF EXES-6000 SYSTEM
6. Installation of the EXES-6000 System
6-1 Exchanges
Pay particular attention to the following points during installation
of the exchange:
The layout should allow easy servicing and inspection.
The exchange is compact and lightweight; however it is impor-
tant to ascertain the strength of the floor or wall on which it will
be placed.
The exchange should be grounded. When it is used in combina-
tion with other systems, for example, 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 downgrade speech quality.
Be sure to provide a power outlet for the exchange and have its
capacity checked. A capacity of 500 watts is sufficient.
Plan the layout so that the terminal board BX-610 or BX-620
can be installed near the exchange.
System should include a surge protector.
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, an indoor
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 0° ~ +40°C (+32° ~ +104°F)).
A dusty area (where there is metal dust or dirt).
Near a storage place for chemicals, oil, etc.
An area susceptible to vibration.
Near high-voltage equipment.
In a strong electric field.
Near equipment vulnerable to the influence of an electric field.
6-2 Stations
Particular attention should be given to the following points during
installation.
Choose a desk-top type, flush-mount type or desk/surface
mount type station according to the user's need.
If the PA paging function is adopted, precautions should be
taken to ensure against feed-back due to interference between
the station (microphone) and the paging speaker; that is, they
should be installed facing different directions or separated from
each other as far as possible.
The "para-branching" operation or the connection of more than
one station to one circuit is not possible.
Stations are compact for each installation almost anywhere. How-
ever, areas described below should be strictly avoided.
An area where it can be exposed to fire, heat or direct sunlight
(suitable ambient temperature is 0° ~ +60° C (+32° ~ +140°F)
(except HF-640S) or -10° ~ +60°C (+14° ~ +140°F) (Door
Station HF-640S)).
A dusty area (where there is metal dust or dirt).
Near a storage place for chemicals, oil, etc.
An area subject to vibration.
Near high-voltage equipment.
In a strong electric field.
SCR type light dimmers.
6-3 Accessories
The terminal board BX-610 or BX-620, which is to be connected to
the exchange by junction cable YR-810 or YR-801, can be mounted
on a wall near the exchange if the cable length 2.5m (8.2 feets) and
cable routing is adequate. The exchange should also be installed so
that it can easily be connected to the station line.
Junction cable YR-810 or YR-801, which connects the exchange
and the terminal board, should not be bent at a sharp angle. The
terminal board should be installed so that the cable can be con-
nected with a reasonable amount of slack in it.
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