The building intercom system can be used in high-rise residential buildings, apartments buildings, and anti-theft doors. In emergency situations, residents can use this device to alarm the building duty room. It is highly popular among users for its complete functions, reliable performance, beautiful appearance, and convenient installation.

Visitors can easily call and communicate with residents through the host in front of the unit door downstairs, and residents can also control the opening and closing of the unit door indoors. And the host machine in the community can receive resident alarm signals at any time and transmit them to the on duty host machine to notify the community security person. 

There are some difficulties in signal communication in the practical application of network digital visual intercom system. 

1. Multiple signal lines cannot be unified; 

2. Difficulty in cascading network cables, communication distance<100 meters; 

3. Upgrading the old intercom system requires rewiring; 

4. High construction costs;

The above problems can be solved by using Ourten Ethernet Extender solution. It can use any existing two core copper wire for long reach IP signal transmission up to 1000m.

The following is a simple application diagram:

Advantages of this solution:

1. No need rewiring

2. Plug and play

3. Long life cycle

4. Support point to multi-point connection