Digital hard disk video recorder + video decoder + TV wall how to connect?
DVR: referred to as DVR, used to store the image of the equipment, the general small works, without matrix, directly through the equipment to control (when the manufacturers offer software)
Optical equipment: used to transmit video, data, audio, telephone, network and other signal devices through the cable, the general hair
Main function: Camera decoder: When the camera has a pan / tilt when the equipment, and the camera put together, used to convert the control signal
Matrix: the role is generally to control the PTZ rotation, adjust the image size, the location of the distribution of images and other functions.
Video dispenser, is generally divided into two points. One of the eight equipment, the price is not very expensive, but in some large projects is essential, the general way all the way through the video into the DVR storage, another way through the matrix on the wall!