Series 20-31

Tehmin Brasov created for the wagon series 20-31:

• Design, execution and assembly for: the wagon's electrical installation; electrical panel with automatic control and diagnosis system; passenger information displays; battery charging source; intercom door control system and various subassemblies for connecting them to the wagon's installation (fuse boxes, sockets, etc.).
• Software development for: Automatic Control and Diagnosis System (ACDT) - including for passenger information (visual and audio), and for the intercom door control system.