System Products 129
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3.2.3 DNM-485/DNM-ENET Noise Sensing Microphone
With built-in Electronic Condenser microphone (omnidirectional), the DNM-485/DNM-ENET
enhances the ability to detect the surrounding background noise. The DNM-ENET is power by using
CAT5 cable via PoE Ethernet. With the 0 dB modulation through the Audio Processor, the DNM-485/
DNM-ENET component provides the Automatic Gain Control (AGC) feature and automatically
adjusts the output level of loudspeaker under any situation. The DNM can be controlled by the
following processor: IDA8, ECS and LAP G2T.
DNM-485: RS485 type
DNM-ENET: Ethernet type
3.2.3.1 Installation
System Structure
The DNM-485 requires to be powered by connecting to PPM JB junction box. To know its wiring
connection, see Connection with PPM JB Junction Box for details.
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