ASL INTERCOM BS 216 Посібник користувача - Сторінка 4
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3.0
WARRANTY
This unit is warranted by ASL Intercom to the original
end-user purchaser against defects in workmanship
and materials in it's manufacture for a period of one
year from date of shipment to the end-user.
4.0
MECHANICAL INSTALLATION
For the BS 216 a vertical rack space of 1U (1.75",
44mm) is required. It is not necessary to provide
rear support by extra bracing or shelving. Adequate
ventilation must be provided by allowing sufficient
space around the sides and rear of the unit to
ensure free circulation of air.
5.0
MAINS POWER & SAFETY EARTH
4.1
Connecting to mains power
The BS 216 may be connected to a mains power outlet
which provides 100 – 240 V AC, 50-60 Hz and at least
60 watts. The outlet should have a clean earth. Avoid
using mains power outlets which also power dimmer
controlled lighting equipment.
The wires in the mains lead are color coded:
green/yellow:
Earth / safety ground
blue:
Neutral
brown:
Live
In case the wires in the mains lead do not correspond
with the colored markings identifying the terminals in
your mains plug, proceed as follows:
The wire which is colored green/yellow must
be connected to the terminal in the plug which
is marked with the letter "E", or by the ground
symbol, or is colored green.
6.0
GENERAL DESCRIPTION
The BS 216 (19"/1RU) is a dual channel headset
station and is designed to be a master unit in an
ASL intercom system. The unit is ideal for use in
applications where standard microphone cable is
available and ease of setup is of paramount
importance.
The built-in dual channel power supply is fully
protected and can drive at least 10 beltpacks
operating at full power.
Each channel has a Volume (listen level) control, a
TALK and a CALL button with LED indicators.
With a headset connected to the XLR-4 headset
connector one can talk and listen to each channel
separately or to both channels simultaneously.
There are side tone trimmers to adjust the listen
level of one‟s voice in one‟s headset.
PAGE 4
User Manual BS 216 / Issue 2011 © ASL Intercom BV
Faults arising from misuse, unauthorized modifications
or accidents are not covered by this warranty. If the
unit is faulty it should be sent in its original packing, to
the supplier or your local ASL dealer, with shipping
prepaid. A note must be included stating the faults
found and a copy of the original suppliers invoice.
Forced cooling is not required.
The power supply regulator is mounted on the rear
of the unit; after a period of time it will feel hot to the
touch. This is quite normal, and should be no cause
for alarm.
The wire which is colored blue must be
connected to the terminal which is marked with
the letter "N" or colored black.
The wire which is colored brown must be
connected to the terminal which is marked with
the letter "L" or colored red.
4.2
Safety Earth
The green/yellow wire of the mains lead must
always be connected to the electrical installation
safety earth or ground. This is essential for personal
safety as well as for proper operation of the BS 216
and the other connected stations. The green/yellow
wire is in the BS 216 connected to all exposed metal
surfaces. Any rack framework into which this unit might
be mounted is assumed to be connected to the same
grounding circuit.
The unique ASL Call system provides both a
flashing red LED and a very distinctive sound signal.
A slight touch of the CALL button makes the call
LED flash, whilst holding the button for 2 seconds
the call sound signal is activated.
An Aux input at the rear panel allows injecting
external audio signals of line or mic level into the
intercom lines.
When „mic level‟ is selected, +30V phantom power
is available at the Aux input connector.
Special attention has been paid to the intelligibility of
speech. By applying low noise/high speed circuitry,
a speech presence filter and a specially designed
headphone amplifier, communication is very
comfortable even in environments with high
background noise levels.