Resumen
For reduction of probability of distortion of the information in modern systems of telemechanics of the MANAGEMENT INFORMATION SYSTEM of traction electrosupply it is necessary to consider(examine) key parameters - reliability, noise immunity, speed and reliability in their interrelation. The system decision of the organization of information interchange between item(point) of management and controllable item(point) of a complex, for increase of speed of transfer and reliability is offered.