
2
1
Sheet 4-2
4.2 System Layout
4.2.1 System Connection
4.2.1.1 BUS connection
Please refer to Figure 4-1 for system connection information.
Figure 4-1
Note:
Please use shielded twisted pair. The shielded layer shall connect to GND firmly; otherwise it may affect
communication or video work.
4.2.1.2 Star Connection
Please refer to Figure 4-2 for alarm connection information.
Figure 4-2
4.2.2 Alarm Connection
Please refer to Figure 4-3 for alarm connection information.