IC Realtime 1080P (Full HD over coax) HD-SDI / HDcctv 20x Optical PTZ - Manual (Page 31)

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4.1.1.1 BUS connection
Please refer to Figure 4-1 and Figure 4-2 for BUS cable connection.
Figure 4-1
Figure 4-2
Note:
Please use shielded twisted pair. The shielded layer shall connect to GND firmly; otherwise it may affect
communication or video work.
4.1.1.2 Star Connection
Please refer to Figure 4-3 for start connection information.
Figure 4-3
4.1.2 Alarm Connection
Please refer to Figure 4-4 for alarm connection information.