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IC Realtime 600TVL / 650TVL 23X High Speed PTZ Camera with 250' IR User Manual

Page 18

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11

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

3.2.1.1 BUS connection

Please refer to Figure 3-5 and Figure 3-6 for BUS cable connection.

Figure 3-5

Figure 3-6

Note:
Please use shielded twisted pair. The shielded layer shall connect to GND firmly; otherwise it may affect
communication or video work.

3.2.1.2 Star Connection

Please refer to Figure 3-7 for start connection information.