Hi,sidik1!
Good day to you!
A VCN510-8 or VCN510-8P single-node system supports access of up to 8 cameras.
A VCN510-16, VCN510-16P, or VCN510-16PD single-node system supports access of up to 16 cameras.
If you need to connect to more cameras, you need to purchase more VCNs and use a stacking network.
Best wishes!