Rugged Cams Premier DVR - Manual (Page 14)

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The 8-channel audio board supports 8 audio inputs and 2 audio outputs.
The 16-channel audio board supports 16 audio inputs and 1 audio output.
- To set the audio board, go to {Main setting} → {System} → {11. Audio board type}.
- When you select the 16-channel audio board, the red connection line at the 16-channel audio cable
under {1-3 Checking components} → {2.Configuring options} means the odd channel.
(4)Sensor/relay extension board
Connect the sensor/relay extension board to the DIO connector in the back side of the equipment, using the
D-SUB 25 type extension cable.
A)External sensor connection option
The sensor/relay extension board includes 16 sensor inputs and 4 relay outputs.
Sensor / relay extension board
Sensor input terminal
Upper: 1~8
Lower: 9~16