Cable trench inside the 10kV cable, 380V cable, control cable, cable, how these cables up and down it? Is the high pressure on or the low pressure on? I know that the overhead line is high pressure on the low pressure in the next, but do not know inside the cable trench or the implementation of a standard or in turn? If you can provide a standard source, will be more grateful. More
Use the exclusion method to identify the problem and then proceed. 1: the probability of the largest is Apple's data cable is not original or not through the Apple MFI certified data lines. If your data is cottage or fake, there will be no charge and do not support this part. It is recommended that you buy and use Apple authentic original charger and Apple MFI certified data cable, Apple's official website can be checked, for example, Tiya TIYA data cable is Apple certified, you can check the official website of TIYA, you can find Certification Information. 2: just access the data line appears on the tips, this problem is generally poor contact, the solution: to see whether the data line bullet bullet, and then check the phone tail plug (data pick jack) is dirty, Cotton alcohol wash. 3: When using the computer chassis front USB charging this prompt is generally caused by insufficient power supply, please insert behind the chassis, or for charger charging. 4: charger is not original, the voltage is insufficient, the normal charge Apple charger is 1 amp, most of the cottage charger is not enough 1 amp, change the charger to try it. 5: phone charging port cable is damaged, whether it is into the water, or replaced, with other chargers and data lines try to charge about.
According to the different fiber structure, can be divided into ordinary fiber optic cable and fiber optic cable
If you understand the basic principles, only need to follow the color of the patch panel color with 110 cable tools to each line card connected to the corresponding IDC on the line, and then tie the cable to tie the line on the line (with The cableboard has a plug hole next to each 6-hole module group
