How many lower-level external domain cameras are allowed to be connected to the VCN3020 through the national standard protocol?

The Huawei ViewPoint 8036 can connect to 4 cameras. It has one S-Video port and three CVBS ports.

The VCN3000 supports the following connection protocols: ��GB/T 28181 ��GB/T 28181+ ��GB/T 669 For details about how to connect the VCN3000 to an external domain, see the VCN3000 Product Documentation. Visit the Huawei Enterprise Technical Support website and download the VCN3000 Product Documentation of the required version, for example, eSpace VCN3000 V100R002C00 Product Documentation.

The code carried in the message sent by the IVS platform varies depending on the value of Recording storage location set during external domain connection. If Recording storage location is set to No, the code carried in the message sent by the IVS platform is the camera code. If Recording storage location is set to Yes, the code carried in the message sent by the IVS platform varies depending on the recording type queries on the C/S client. If you view a PU recording on the C/S client, the code carried in the message sent by the IVS platform is the camera code. If you view a platform recording on the C/S client, the code carried in the message sent by the IVS platform is the domain code.