The Eltis intercom is a special device that is often used to protect the front door from unauthorized persons entering the house. Each tenant receives an electromagnetic key, with which you can open this lock. The above device has many advantages. According to many experts, opening it without a key can be quite simple. This is the main minus of such an intercom. So, read more about the above device.
Intercom Eltis: description
The above
intercom and lock device is manufactured by the manufacturer as a multi-unit device of the PU-CP-100KM series. Its main purpose is installation in apartment buildings, offices. Also, the Eltis intercom can be used to organize the so-called intercom system (the number of subscribers should not exceed 100).
Experts note that the above device is a specialized microprocessor system, which is mainly built on a 87C51 microcontroller (manufactured by Intel).
For laying cables to subscriber apartments (consoles), two ten-wire buses are used. The main components of the Eltis intercom:
- switching and call blocks;
- subscriber consoles;
- Power Supply.
Also, the above device can also be equipped with closers (hydraulic) in order to smoothly close the front door, and electromagnetic locks. But these additional components are installed only at the request of the residents of the house.
The built-in electronic key reader based on the touch memory principle is located on the intercom call block.
Benefits of Eltis
The intercom, the code from which in most cases is easy to pick up, has the following advantages:
- provides the ability to connect a large number of subscribers (up to 100);
- has regulation of time of opening of the lock;
- has a small number of communication lines;
- there is the ability to turn off / turn on the code lock mode;
- Has a backlight for the device’s panel, a melodic ringtone, a voiced keyboard
- has a duplex type of communication.
How Eltis works
The visitor must dial the apartment number and press the "Call" button. Through the battery of this unit, the selected room is connected and a signal is generated. It stops if the subscriber has picked up the handset. After 60 seconds (when the person is not in the apartment) or pressing the "Reset" button, you can also interrupt the signal.
The operation of the above block is accompanied by inscriptions on the display:
- “Speak” (when the visitor can say something);
- “Error” (in case of using the wrong apartment number or the wrong electronic key);
- "open".
The “Reset” button is designed to return the system to its original position in the event of any error.
How to open an Eltis intercom without a key?
Experts note that to carry out the above action is not particularly difficult. To do this, you just need to use some recommendations to open this device from Eltis.
An intercom whose opening code is not overly complex is opened without a key by dialing the following number and letter combinations:
- “B” (waiting for a call), then dial “100”, then again “B”, then press 7273;
- “B” (expect a beep), then dial “100-B-2323”;
- “B” (waiting for a call), then press “100-B-7272”.
Experts say that if using the above combination this device does not open, then the number 100 can be replaced with 200 or 300.
The Eltis on-door speakerphone is a good protector of your home. Remember: if the installer did not change the master password when installing the above device, then opening it without a key is easy.