Labels:text | diagram | screenshot | map OCR: SYSTEM OVERVIEW OF AN AIR TRAFFIC CONTROL CENTER Terminais Radar Microwave Display adapter Peripheral adapter module Radar dish Modem Signal IBM 3083 IBM 9020E splitter DARC Figure 2. Radar information is passed via microwave to the air traffic control center where it goes through a modem and into the main computer system. The dotted lines denote the backup system.