The computer automatically power off the crash, after the restart to detect the hard disk when the move
Selection should pay attention to: waterproof casing is developed according to the Institute of Building Science and Design S
Re-partition system can be installed on the system disk can not detect the drive can not move
After the patch panel is not connected to other network equipment, right? POE switch to the distance between the network camera can not exceed 100 meters, otherwise the general switch is difficult to supply the required power of the camera.
To buy the electrical cable material manual, which is very detailed information, I would like to have engaged in electrical cable this line, some letters and digital code do not know what meaning and meaning, I write a combination of knowledge and practice, will soon be able to remember Live some cable models and the meaning of the characters, no shortcuts only by their own more to see more than in reality in contact with the kind, so as to remember to remember more thoroughly understand the more thorough.
