Installing Access control system The following three aspects should be paid attention to:
1、 Anti electromagnetic interference
For card reader The door opening button shall pay special attention to electromagnetic interference, especially the interference of lighting switch, electric typewriter and computer. If conditions permit, the card reader shall be installed more than 30cm away from the strong current power supply.
2、 Prevent attenuation of transmission signal
Access control controller The distance between the controller and the card reader should be taken into account for the installation of. The ideal transmission distance is within 100m. For signal transmission cables, cable shielding and signal attenuation due to long-distance transmission must be considered. During pipeline construction, steel conduits and cable trays should be used, and reliable grounding should be done.
3、 Debugging of access controller and system software
System commissioning is to ensure Access control system The key link of quality. The key point is the debugging of the access controller and the operation of the system software. The debugging process of these two parts must be carried out by the manufacturer at the same time. The function of the controller is to set the relay linkage output function as required in addition to the input of the card reader. The time and place of alarm generation and start are as follows video camera , alarm horn, etc.
Although the access control of the community has facilitated the safety of visitors and the anti-theft safety of vehicles, its drawbacks also follow.
If there is no visible end to the resident's access control, the visitor will pretend to be another person, such as classmate X or friend X, the express company, etc., so that the owner will open the door without precaution. Therefore, it is recommended that the community's engineers use it as much as possible Visual access control intercom system To improve the security of household access control.
For the vehicle access control system, some car owners carelessly put the IC type access control card in the vehicle instead of carrying it with them, which results in the same car card for thieves. Therefore, it is recommended to store the car card separately and store the card with you. To improve security.
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