The network plug is a standard RJ45 female socket designed to accept a standard Cat5e / Cat6 network cable. The power is merely a DC female output. It acts as a pass through for camera power. The BNC is for video from the camera.

What signal does a BNC cable carry?

The BNC connector is used for signal connections such as: analog and serial digital interface video signals.

What is a BNC cable used for?

BNC connectors are used with miniature-to-subminiature coaxial cable in radio, television, and other radio-frequency electronic equipment, test instruments, and video signals. The BNC was commonly used for early computer networks, including ARCnet, the IBM PC Network, and the 10BASE2 variant of Ethernet.