User Manual BS 216 / Issue 1 © 1998 ASL Intercom, Utrecht, Holland.
1
1.0 GENERAL DESCRIPTION
The BS 216 is designed to be a master unit in an ASL For each channel separately, the intercom line impedance
intercom system and can be used in portable as well as circuitry is installed.
fixed applications. It incorporates a dual channel intercom
line power supply with aux input, a dual channel headset An AUX input at the rear panel, allows injecting external
station and uses only 1U of 19" rack space. audio signals of line or mic level into the intercom lines.
This makes the BS 216 very versatile and ideal for use in available at the Aux input connector.
applications where standard microphone cable is available
and ease of setup is of paramount importance. Special attention has been paid to the intelligibility of
Each channel has a Volume (listen level) control, a Talk speech presence filter and a specially designed
and a Call button with LED indicators and a sidetone headphone amplifier, communication is very comfortable
trimmer. even in environments with high background noise level.
The intercom line power supply is fully protected and can The unique ASL CALL system provides both a flashing red
drive at least 10 beltpacks operating at full power. LED and a very distinctive and characteristic sound signal.
The power supply is completely separated from all other Only a slight touch of the CALL button will make the LED
functions and in case of power failure the unit can accept flash, whilst holding the button for two seconds will activate
line power from an external ASL power supply. the call sound signal.
When ‘mic level’is selected, +30V phantom power is
speech. By applying low noise/high speed circuitry, a
2.0 UNPACKING
The shipping carton contains the parts listed below. ASL has taken great care to ensure that this product
* The BS 216 After unpacking the unit please inspect for any physical
* Power cable damage to the unit, and retain the shipping carton and
* Spare fuses relevant packing materials for use should the unit need
* User manual returning.
If any are missing contact your dealer. If any damage has occured, please notify your dealer
With the BS 216 will be a small packet of spare fuses. also refer to the guarantee section of this manual.
Please keep them in a safe place.
There is also one spare fuse included in the mains inlet.
reaches you in flawless condition.
immediately so that a written claim can be initiated. Please
3.0 MECHANICAL INSTALLATION
A vertical rack space of 1U (1.75", 44mm) is required for
the BS 216. 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. Forced cooling is not
required.
The power supply is located on the left rear of the unit,
and after a period of time it will feel hot to the touch. This is
quite normal, and should be no cause for alarm.
(16 pages)
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