Closed Circuit Television Network System
It is basically on-line video monitoring system. The Charge Coupled Device (CCD) sense the image informations and converted to Video signals. This video output could directly connected to Television or LAN system for monitoring live video informations in remote locations. GMRT Closed Circuit Television Network consists of five zone video monitoring system but presently only three zones are getting monitored.
CCD cameras are fixed in the critical areas like Correlator, Receiver Room and Control Room and getting monitored in a Television available with Security. All the CCD camera outputs are connected to the Video Multiplexer/ Switcher for amplifications and controlling the switching time of each zone.