Interoperability Now!
4-1
4
Operation
4.1
General
This Section contains information and instructions required for proper operation of the NXU-2B.
Refer to Figure 2-1 Front and Rear Views for locations of LEDs.
4.2
Front Panel Indicators
All front panel indicator LEDs are explained below, starting at the left side of the unit.
4.2.1
Power LED
This yellow LED is lit whenever DC power is applied to the unit.
4.2.2
Link Active LED
The green Link Active LED is illuminated whenever the NXU-2B has an IP connection open to
another NXU-2B on the network. If this indicator is not lit, either the NXU-2B does not have an
active VoIP connection or the connection has been lost.
4.2.3
Channel Active LED
This green LED is lit whenever COR is active. This also indicates that the NXU-2B is sending
audio data across the IP link.
4.2.4
Audio Input LED
This yellow LED is provided as a visual aid in setting the proper input audio level for optimal
operation. See the next page for instructions for setting the proper level.
4.3
Rear Panel Connectors
Section 2 contains full explanations and pinouts for all rear panel connectors. Figure 2-1 displays
connector locations.
4.4
NXU-2B Operation
Basic operation and control of the NXU-2B is discussed in the following paragraphs. These
instructions assume the NXU-2B has already been correctly configured per Section 3
Configuration.
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