Without Aes/Ebu/Analogue Module - AVT Magic Touch Operating Manual

Isdn telephone hybrid system
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P u t t i n g
i n t o
o p e r a t i o n
P A G E 3 2
5.6.1

... without AES/EBU/ANALOGUE module

In this wiring exemple (Fig. 11, page 32) a Pre Talk, a separate Hold and an On
Air Audio interface are used. A fourth Audio interface is also available in the
Slave 3 System for, e.g., an alternative On Air or Pre Talk Line (see CHAP-
TER 7.7.3.1.2, page 60).
The function of the relays can be programmed as desired (see CHAPTER
7.7.3.15, page 102). Useful is e.g., the use of a relay for incoming calls and for
operating the mixer as soon as a line is switched to Pre Talk or On Air.
For redundancy purposes, a MAGIC Hybrid Keypad can be connected in paral-
lel to the Master System. This keypad ensures that if the PC crashes, the caller
lines can still be operated.
FIG. 11
POWER 115/230V
MASTER
0 I
mains power supply
POWER 115/230V
SLAVE 1
0 I
mains power supply
POWER 115/230V
SLAVE 2
0 I
mains power supply
POWER 115/230V
SLAVE 3
0 I
mains power supply
WIRING OF THE MAXIMUM SYSTEM BUILD WITHOUT AES/EBU/ANA-
LOGUE MODULE
Option: MAGIC
Hybrid Keypad
PC with
Touchscreen
Relay
ON AIR PRE TALK
Relay
CALL
USER I/O
RS232C
LSD
no Dongle
Option: Handset
or Headset
USER I/O
RS232C
LSD
3 further Relays
Dongle: Slave 1
USER I/O
RS232C
LSD
3 further Relays
Dongle: Slave 2
USER I/O
RS232C
LSD
3 further Relays
Dongle: Slave 3
Audio
input
presenter
and
programme
without
caller
Audio
output:
Number
of all
ON AIR
callers
Relay
S
1
S
2
0
0
So
1
2
HSD
EXTENSION BUS
OUTPUT CMD
INPUT
Audio-
input
PRE TALK
Audio
S
3
S
4
0
0
output
PRE TALK
So
1
2
HSD
EXTENSION BUS
OUTPUT CMD
INPUT
Audio
input
HOLD
Audio
S
5
S
6
output
0
0
HOLD
So
1
2
HSD
EXTENSION BUS
OUTPUT CMD
INPUT
further
Audio
input
further
S
7
S
8
Audio
0
0
output
So
1
2
HSD
EXTENSION BUS
OUTPUT CMD
INPUT
Extension Bus-
Cable

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