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Install building intercom system requires a major concern
2011-03-09 11:09:09

Abstract: resident entrance guard system can be divided into two kinds, one kind is talkback access (can only conduct simple talkback calls), one kind is visible interphone &access control (can see each other in conversation at the same time). Residential gateway although convenient masses of resident visitors security issues and vehicle burglar security problems, but also pose drawbacks.


Intelligent village, residents are not strange words. A few years ago intelligent village is only rich family high-rises, ordinary office worker is only hope entrance guard and were left feeling useless intelligent the pleasures of life. And today, entrance guard system but fly into the innumberable families!


Village entrance guard composition and applications


District's entrance guard system from the big range can be divided into two kinds, one kind is resident entrance guard, one kind is cars in entrance guard.


In vehicle entrance guard system, common has KaShi entrance guard, application of IC is up to such access. Usually in the entrance guard place, district can be equipped with a low illumination plate camera, to record every a car in the images.


While residents entrance guard system can also be divided into two kinds, one kind is talkback access (can only conduct simple talkback calls), one kind is visible interphone &access control (can see each other in conversation at the same time).



For resident entrance guard, when households has a guest visit, homeowners could through the entrance guard talkback system for visitors with open function, if ask the visible entrance guard talkback system in see is a stranger, can refuse the door, can contact district security to check.


A but with the community, the vehicle entrance guard system security monitoring safety in the burglar based on also had another kind of guarantee, the district vehicle is will register, and having a village out of the IC type, discrepancy village entrance card is only took IC card driver in scanner scanning time, the entrance guard guardrail automatically open. For foreign cars to pass in and out village, requires security personnel cataloged, record into time and go out time (truck is in the metropolis when checking out into the compartment to ensure security).


Entrance guard talkback installation attention problems


In the installation of entrance guard system to focus attention the following three aspects:


A, preventing electromagnetic interference


For the card reader, door open button to pay special attention to preventing electromagnetic interference, especially lighting switch, electric typewriter and computers maginification. In conditions allow, card reader installation location should distance &high power 30cm above.


Second, prevention of transmitting signals attenuation


Controller installation should consider controller and the reader, the distance between the transmission distance is ideal 50m within. For signal transmission cable, must consider cable shielding and for long-distance transmission attenuation, brought on pipeline construction process, should use material for steel line pipe and cable tray, and completes the reliable grounding.


Three, controller and system software debugging


System testing is to ensure the quality of entrance guard system key link. Emphasis is on controller the commissioning and software system operation, the two parts of the debugging process must have manufacturer simultaneously. Controller function is besides reader input beyond, still should according to need to set good relays linkage output function, alarm generation time and place and start such as camera, alarm horn, etc.


Residential gateway although convenient masses of resident visitors security issues and vehicle burglar security problems, but also pose drawbacks.


If no depending on the resident entrance guard, the visitor will pretend to be another person's identity, such as X-ray classmates or friends, and express companies, etc., such homeowners without patel open the door. Therefore suggested here community project traders try to use visual entrance guard talkback system, in order to improve the safety of residents access.


For vehicle entrance guard system, some owners due to carelessness will IC type entrance card on vehicles rather than carry, so that makes thieves car card together. Therefore suggested here car card separation deposited, card carry-on deposit. To improve the safety.


Entrance guard system with it although very convenient, but if a problem, want to seek contractors for repair, most is can't find anyone, because the entrance guard system exists between profiteering, although property developers cannot give the entrance guard contractors entire section (usually pay 70% obligate later maintenance fees), but the contractors rather balance don't, also won't perform maintenance service. Because the entrance guard system line layout from underground, a but problems are costs a lot of manpower on line mining grate quite troublesome.


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