The modularity of this didactic system grants to the students a direct and immediate approach to the topics, offering the opportunity to study various subjects performing several experiments as following:
• Two reciprocal call entry-phone installation at short distance
• Two reciprocal call entry-phone installation at long distance
• Coupled two entry-phone installation
• Main entry-phone and two shunted entry-phones installation
• Communicating entry-phones installation
• Connection between an external unit and two shunted entry-phone.
HOUSE PHONES
This system studies the topics related with the house phones.
It has a modular structure and it consists of didactic panels installed on a vertical frame.
