To prevent the entry of strangers into residential buildings, intercoms are installed on the entrance doors of entrances, gates, gates. An intercom is an electronic device consisting of an anti-vandal outdoor panel with a keyboard, a switch that translates signals from the intercom to a specific apartment, a subscriber device and a locking device.
Instructions
Step 1
The principle of operation of the intercom is simple: the visitor dials the apartment number and the call button on the keyboard, the signal passes through the switchboard and goes to the desired apartment. The call arrives at the subscriber station, from which the apartment owners can use a voice message to inquire about the identity of the visitor, the purpose of the visit, and then open the locking device of the front door with a button. which has a specific encoding. The key is brought to the reader, the door opens. Secondly, as described earlier, by calling the subscriber on the intercom, who will open the door with a button from the device. Thirdly, by typing a certain code on the keyboard to enter the intercom menu.
Step 2
However, very often the keys to the intercom are lost and the intercoms break. How to get into the house in this case? It is good if the locking device is electromagnetic. It just keeps the door closed. With a long, strong press on the door, it opens itself. You can also stick a foreign object between the lock plates.
Step 3
You can turn off the intercom yourself in several ways. It all depends on the brand of the device. For example, the Vizit intercom can be turned off from the street by pressing and holding the * (asterisk) button for a few seconds. The device turns off for 10 minutes.
Step 4
You can turn off the intercom by disconnecting it from the power supply. It is usually powered by the common house network. The intercom unit is installed in the electrical panel on the ground floor or between floors. Open the flap and turn off the intercom with the toggle switch.
Step 5
The most common way to disable the intercom is software shutdown. To do this, enter the intercom system menu from the keypad on the entrance door, then turn it off. Each brand of intercom has its own shutdown algorithm. Usually he is known by the masters who install and configure intercoms. But if you wish, this information can be found on the Internet.
