Audio Inputs Module - Optimus OF-722ETH Manual De Instrucciones

3.2. Audio inputs module

It has 2 independent audio inputs through RJ45 connectors.
Through the Call Point software each input may be configured as a music input or as a paging input. The inputs configured as a
paging incorporate a talk priority usage.
The sensitivity of the input may be modified via the software Call Point configuration: AUX H (0 dB) or AUX L (-20 dB). Also, each
input has a potentiometer with fine adjust of the sensitivity.
When ordered, IF-722ETH may be supplied with inputs balanced using a transformer. This option also allows providing power to
external paging desk using a Phantom power supply (24 VDC, 100 mA).
1) INPUT "B", Audio level adjustment.
2) INPUT "B" RJ45 connector.
3) INPUT "A" RJ45 connector.
4) INPUT "A", Audio level adjustment.
5) POWER LED indicator. Indicates that the audio inputs module is is supplied.
IF-722ETH version 5.0.001
IF-722ETH
Figure 5
Figure 6
RJ45 "A" and "B" CONNECTOR PINOUT
Pin 1: AUDIO H (HOT) signal.
Pin 2: GND. If the audio is balanced, AUDIO C (COLD) signal.
Pin 3: ACK (Acknowledge) contact. This output contact allows synchronisa-
tion with external microphone desks (MD family).
Pin 6: PRIORITY input contact
Pin 8:
Metal Shield:
Internal jumper
J8 (Input A)
J7 (Input B)
GND
R+D Department
IP Audio interface
2 inputs / 2 outputs
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