26
You can refer to the following sheet for alarm input and output information.
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.
1.8.1.2
8/16-channel 1U Series
The interface is shown as in Figure 1-27.
Figure 1-27
Please refer to the following sheet and Figure 1-27 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.
1.8.1.3
CIF Real-time Entry-level
The 4-channel is shown as in Figure 1-28.
Figure 1-28
The 8-channel is shown as in Figure 1-29.
AB connection
port
