ADN CU1 | 7
Structuring and controlling the conference system
ENFRESRUNL ITJPDK ZHFINO SE DE
Structuring and controlling the
conference system
Structuring the conference system
The ADN conference system is suitable for small to medium size conferences with
approx. 30 conference units (divided up onto the two connection sockets PORT I
and PORT II). Delegate units and chairman units can be combined in an arbitrary
order and are connected to the central unit using SDC CBL RJ-45 system cables. The
ends of the cable strings are open (no ring topology). The maximum number of
conference units that can be used depends on the voltage supply which in turn is
influenced by the cable lengths (see next chapter).
In addition, you can connect audio devices to the central unit in order to e.g. feed
audio signals to the floor channel or to output the floor channel via an external
audio device. The ADN conference system can be completely integrated into
a media control system.
Calculating the voltage drop on the system cables
For safe operation of the conference system, make sure that all conference units
are supplied with a voltage of at least 35 V! The voltage supplied depends on the
number of connected conference units and on the cable lengths. The standard
cable length between the central unit and the first conference unit is 80 m max.
and the standard cable length between the conference units is 2-5 m. If these cable
lengths are observed, safe operation of a conference system with 30 conference
units is ensured. If cable lengths are shorter, it might be that more conference units
can be used.
The “ADN Cable Calculator” program allows you to calculate the voltage drops on
the individual sections of a cable string and to plan the structure of the conference
system. The program is available from your Sennheiser partner or from the
“Product Downloads” area on the product page at www.sennheiser.com.
Integration into a media control system
The ADN conference system can be completely integrated into a media control
system. You can monitor and control all functions of the conference system via the
programmable commands of your media control system. For information on the
integration into a media control system, refer to the detailed instruction manual.
1 2 15
...
1 2 15
...
Voltage supply = 52.8 V
>35 V >35 V
IN –– AUDIO –– OUT
PORT II PORT I
100-240V~
50/60Hz 240W
2x 52.8V 1.75A
max. 80 m
approx. 2-5 m
approx.
2-5 m
Port I
Port II
approx.
2-5 m
approx.
2-5 m
KA_ADN-CU1_535358_0211_SP13.book Seite 7 Dienstag, 1. Februar 2011 12:43 12
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