User manual

1. Overview
6 NDF821/NDF821E l User Manual
1.3 Hardware Overview
1.3.1 Dimensions
1.3.2 Connector
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7
1. Power In (Red+/Black-): power connector, DC12V/AC24V
2. RJ-45 Ethernet Connector: network & PoE (Power over Ethernet) connection
3. BNC: composite video output
4. Audio Out (Green): 3.5mm phone jack for audio output
5. Audio In (Red): 3.5mm phone jack for audio input
6. Alarm Out (Orange): alarm signal output port
Reserved (Green): reserved contact
RS-485 (Yellow): RS-485 interface
7. GND: ground (electricity) in electrical circuits
Alarm In 1 (Red): alarm signal input port
Alarm In 2 (Brown): alarm signal input port