Power that the kind of 4-hole interface called ah, there are power supply SATA hard drive power interface called ah, the computer to install two hard drives, so go to buy a cable, I do not know how to describe ~ ~ ask the next many
Called the parallel port power interface or called the serial power interface. Parallel port power interface yellow: 12V, to the main motor power supply. Red: 5V, to the hard drive power supply. Two black are the same, are ground, the power output when the ground is output in a place. Serial power line general definition: 1. data, 3.3 volts 2. power ground; 3. power line; 12 volt 4. clock, timing
Power cable I have seen 95 square control cable is the largest 10 square
Wire and cable itself is an industry, if you want to say attribution, that is, electrical industry ~
Mainly see what load is the UPS power supply? . if it is important to the key load, such as IT servers, etc., it is best to separate. . if only the ordinary load, such as access control, it does not matter. Under normal circumstances, bought a UPS, is for the key load, separate more reasonable. If it is inseparable, it is best to be isolated in the same bridge.