The ideal location of (1) computer room should be located in the middle of the main line of building integrated wiring. (2) The size of the computer room should be comprehensively considered according to the building scale of the intelligent building, various systems adopted, the number of installed equipment, network structure requirements and future development. (3) The computer room is a special room for installing all kinds of equipment, which requires higher environment. The temperature should be 10-27 degrees Celsius and the relative humidity should be 60-80 ℅ (4) The machine room should be protected from the invasion of harmful gases, and good dustproof measures should be taken. (5) The machine room must ensure that its clear height should not be less than 2. 55 meters, in order to install equipment to enter. (6) The computer room is equipped with general lighting equipment. (7) The computer room should have a reliable AC power supply (0HZ, 220V). (8) The size of the equipment room shall meet the requirements.