TESTING THE AUDIO INPUTS AND OUTPUTS
1. In order to run this test you simply press the Call Add Button as you would with any other test call,
dial a string 0000000 (seven zeroes) and then press the Call Now Button. At this point the call will
negotiate and you will see and hear yourself in a loopback.
2. Verify that you have enabled the white noise signal generator inside the Vortex device and have
assigned it to the output of the Vortex device that will feed the input of the codec. Please see the
section entitled “Setting the AEC Reference Using an iPower 600” and read Step 3.
WIRING FROM IPOWER TO VORTEX DEVICE
The inputs and outputs to the codec are unbalanced. We recommend keeping the cable
from the Vortex device as short as possible to avoid any common-mode signals that may
corrupt the audio.
INPUT TO IPOWER FROM OUTPUT OF VORTEX DEVICE (USING CBL-LINEAUDIO)
If you are using CBL-LINEAUDIO, connect the Positive conductor of the Vortex device to the Tip of the RCA
connector and the Negative conductor of the Vortex device to Shield of the RCA connector.
The shield of the cable is not connected.
Input to iPower from Output of Vortex Device (Using Self-Made Cable)
Connect the Positive conductor of the Vortex device to Pin 7 of DIN connector and the Negative conductor
of the Vortex device to Pin 4 of the DIN connector.
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