Communication System
Communications
System
System
Overview
The communications system transmits voice and other necessary data for safe train operation. This system includes the backbone communication system, radio communication system, and automatic fare collection (AFC) system.
Objective
The purpose of maintaining the telecommunications system is to ensure that the telecommunications facilities are functioning normally and transmitting data and information in real time to the people or places that need them.
Features of Main Facilities
- The backbone communication system includes optical cables and a transmission system that transmit voice, data and videos.
- The radio communication systems include communication facilities for exchanging information between trains and stations.
- The AFC system includes ticket issuance and confirmation procedures.