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3.2. Audio outputs modules
1)
Channel "A" FAIL Contact. NO (Normally Open) output contact. Its activation is associated with
the surveillance functions of the "A" channel. Use the software P.A. Manager to configure in
which cases the contact is activated (by detecting errors loudspeaker line high or low
impedance, short circuit, open line or error amplifier...).
FAIL contact is an open collector output as shown in the diagram of figure 6.
2)
CHANNEL "A" LINE IN 0 & 100V. Channel "A" amplifier speakers line connection.
3)
CHANNEL "A" LINE OUT 0 & 100V. Channel "A" speakers line connection.
4)
CHANNEL "A" RJ45 Connector. +4dB audio output, balanced through transformer. The output
level is adjustable through Call Point software.
RJ45 PIN OUT
Pin 1: AUDIO H (HOT) output signal.
Pin 2: AUDIO C (COLD) output signal.
Pin 3: +24 VDC input to monitoring the amplifier.
Pin 4: Not used.
Pin 5: Not used.
Pin 6: PRIORITY output contact. Open collector output.
Pin 7: Not used.
Pin 8:
Metal Shield:
5)
OUTPUT "A" FAIL LED indicator. Indicates FAIL output contact activated.
6)
OUTPUT "A" PRIORITY LED indicator. Indicates activation of the channel "A" priority output contact (pin 6 of the OUTPUT "A"
RJ45 connector).
7)
CHANNEL "B" indicators and connectors. It has the same functionalities as the elements of channel "A", applied in this case to
channel "B".
8)
POWER LED indicator. Indicates that the audio outputs module is supplied.
IF-704ETH version 5.0.001
IF-704ETH
* In the RJ45 connector of channel "B", the connection
Internal jumper
between the pin 8 and the shielding of the connector
*
JP3
to the GND is made through the internal jumper JP1,
GND
and the connection to the earth of the equipment is
made through the Internal jumper JP6.
Internal jumper
*
JP5
Figure 5
R+D Department
IP Audio interface
with 4 outputs
Figure 6
FAIL contact
open collector output
schema
6
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