The voltage level of the cable is how much the number of high and low voltage cables
HDMI interface common in some new TV, which is called "digital high-definition multimedia interface", mainly for the transmission of high-quality, lossless digital audio and video signals to high-definition television, the maximum bandwidth of 5Gbps In addition, There is also an interface you need attention, this interface is called "DisplayPort", it can provide the same function with the HDMI interface, and can provide bandwidth up to 108Gb / s, much higher than the HDMI interface More importantly, DisplayPort is free Standard (HDMI charges), almost all of the personal computer manufacturers and graphics card manufacturers have expressed support for this interface
No, without this provision, the purpose of blocking the cable piercing is to prevent the outside world on the adverse gas and other reasons of the invasion, in fact, as long as the purpose is achieved, the material selected or look at the situation, such as coal mine perforation must be sealed , The reason is to prevent the wind and air leakage, as well as when the outside world when the explosion of the substation damage, as well as their own substation has a fire source to prevent the development of fire to the outside world
Color line, HDMI cable, S-terminal line of the three transmission video signal (HDMI can also transmit audio signal); coaxial line is the transmission of audio signals
