IC Realtime PTZ-2801WDR: High Speed PTZ Dome Camera with 28X Zoom - Manual (Page 16)

16
z
When the activation mode is NC (normal close), dome alarms
when there is high voltage. Low voltage will not activate the
alarm.
Note:
z
Dome alarm input message is ground mode.
z Dome alarm input signal are two modes: normal open and
normal close.
3.2.1 System
Layout
The system installation layout is shown as below. See Figure 3-1 .
Figure 3-1
3.2.1.1 BUS connection
Please refer to Figure 3-2 and Figure 3-3 for BUS cable connection.
Figure 3-2