Dahua HDCVI - 3 INSTALLATION AND CONNECTIONS; 3.1 Check Unpacked DVR; 3.2 About Front Panel and Rear Panel; 3.3 HDD Installation

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Figure 2-29
2.3.5 HCVR720XA-S2 Series
The connection sample is shown as below. See Figure 2-30.
The following interface is based on the HCVR7204A-S2 series product.