Connecting NetTalk (w/ Aiphone) to an Encoder/Decoder

Connecting NetTalk (w/ Aiphone) to an Encoder/Decoder
Connecting NetTalk (w/ Aiphone) to an Encoder/Decoder
The following diagrams illustrate the connections that need to be made between the NetTalk
Remote Intercom Interface (RII), an encoder or decoder and the Aiphone call box. Note
that wires for connecting the encoder/decoder to the RII are not provided.
NetTalk Intercom Interface
24
24 DC 12 VDC
VAC VAC Gnd Out
1
2
3
4
5
6
Speakers
Aud Out
7
9
8
10
Aud In
11
12
Tip
Tip
Ring
Ring
24VAC
Power Supply
Audio
Out
Audio
In
Vin
Rtn
Riy
Riy
Gnd
In1
}
Power
}
Out
}
In
Single or Dual Port
Encoder or Decoder
Shorting
Link
1
E
-
Aiphone Call Box
Figure 1 - Connecting a Single or Dual Port Encoder/Decoder to NetTalk (w/ Aiphone)
The NetTalk RII supports the LE Series of Aiphone call boxes only.
1
NetTalk Intercom Interface
24
24 DC 12 VDC
VAC VAC Gnd Out
1
2
3
4
5
6
Speakers
Aud Out
7
9
8
10
Aud In
11
12
Tip
Ring
Tip
Ring
Audio
Out
Audio
In
24VAC Power Supply
12 VDC
Vin
Gnd
Rtn
Riy
12VDC Power Supply
Riy
Gnd
In1
}
Power
}
Out
}
In
Multi-Port (Rack
Mounted) Encoder
Shorting
Link
1
E
-
Aiphone Call Box
Figure 2 - Connecting a Multi-Port (Rack Mounted) Encoder to NetTalk (w/ Aiphone)
2
Configuring NetTalk in Latitude NVMS
To use a NetTalk RII and call box with Latitude, you will need to modify the audio settings
of the encoder or decoder to which the interface is connected. You may also want to set up
various actions in response to NetTalk-related input. Finally, you will need to make some
local settings changes on every client machine that is to be used to communicate with
Aiphone call boxes. The only setting that should be modified at the call box is the speaker volume.
Audio Communication Configuration
1. Launch AdminCenter and log in as a user with administrative privileges.
2. In the System View Pane (the left side of the screen), make sure that speaker and
microphone connections are viewable. To do this, click the eye button at the bottom of
the screen and checkmark Speakers and Microphones.
3. Click the microphone icon associated with the encoder connected to the NetTalk unit.
4. Set Data format to Mulaw, Input type to Line In and Sensitivity to 50%. Click the
Unit specific tab and set Audio mode to Full-duplex.
5. Back in the System View Pane, click the speaker icon associated with the same encoder
and set Volume to 50%. Switch to the Unit specific tab again and set Audio mode to
Full-duplex.
Call Button Response Setup
1. Click the digital input button associated with the encoder/decoder connected to the RII.
Make sure the On contact closing field is set to Digital input contact closing.
2. Switch to the Actions tab, right click Digital input contact closing and choose your
desired action.
Latitude Client Configuration
1. Launch ControlCenter, go to Tools>Options, and make sure that the Transmission /
Reception mode in the Audio section is set to Half-duplex.
2. Open Windows’ Volume Control and mute the microphone connected to your PC. This
will prevent your speakers from playing the audio captured by your microphone.
When the microphone is on but you remain silent, you may continue to hear audio
from the other end.
3
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