CNB SDF1212 - Manual (Page 13)

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2. Rear Panel
Figure 2.1. Rear Panel
Rear panel connections
VIDEO IN: Four connectors for video input(NTSC/PAL).
VIDEO OUT: Composite video output in NTSC/PAL format
AUDIO IN: Four connectors for audio input(line level).
AUDIO OUT: One connector for audio output(connect a headphone or a speaker).
VGA: Connector for VGA monitor
RS-232: For engineering use only
RS-485/422: For camera control use
SENSOR: Connector for sensor device connection. 4 sensors can be connected to the equipment sensor 1,
2, 3, 4 are dedicated to Video channel 1, 2, 3, 4, respectively. Either normal open (NO) or normal
close (NC) sensor can be selected for each sensor. Simple On/Off switching.
ALARM: Connector for alarm device connection. Provides simple On/Off switching using relay. 0.5A/125V,
1A/30V
LAN: RJ45 connector for LAN connection
DC12V: Apply 12V DC using the DC adaptor supplied with the equipment.
SWITCHES: NTSC/PAL, BNC/VGA Select switch