49
Figure 3-1
You can refer to the following sheet for alarm input and output information.
AB connection
port
Parameter
Grounding Alarm
GND
Alarm Input
1, 2, 3, 4. It becomes valid in low voltage.
NO C
One NO activation output.
485 A/B
485 communication port. They are used to control devices such as
PTZ. Please parallel connect 120
Ω between A/B cables if there are
too many PTZ decoders.
3.8.1.2 8/16-channel 1U Series
The interface is shown as in Figure 3-2.
AB connection
port
Figure 3-2
Please refer to the following sheet and Figure 3-2 for detailed information.
Parameter
Grounding Alarm
GND
Alarm Input
1, 2,
…, 16.. It becomes valid in low voltage.
1-NO C
，
2-NO C
，
3-NO C
Three NO activation outputs.
485 A/B
485 communication port. They are used to control devices such as
PTZ. Please parallel connect 120
Ω between A/B cables if there are
too many PTZ decoders.
3.8.1.3 CIF Real-time Entry-level
The 4-channel is shown as in Figure 3-3.
Figure 3-3
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