Nvr22-S2/22-P-S2/22-8P-S2/22-4Ks2/22-P-4Ks2/22-8P-4Ks2 Series - Dahua NVR41 Series User Manual

The following figure is for reference only.
3.6.5
NVR22-S2/22-P-S2/22-8P-S2/22-4KS2/22-P-4KS2/22-8P-4KS2
Series
See Figure 3-44 for connection sample.
Figure 3-43
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User's Manual