Dahua NVR21-S2 SERIES

122
Figure 3-3
3.6.4 NVR21HS-S2/21HS-P-S2/21HS-8P-S2/41HS-4KS2/41HS-P-4KS2/41HS-8P-4KS2/
1AHS/1AHS-4P/1AHS-8P/21HS-4KS2/21HS-P-4KS2/21HS-8P-4KS2 Series
Please refer to Figure 3-4 for connection sample.
The following figure for reference only.