Tummala Electronics Pvt. Ltd. Offers Emergency Control Room Equipment. Tummala Electronics Pvt. Ltd. Manufactures Railway Communication Equipment, Solar Water Heaters and Solar Powered Lighting Systems. The Emergency Control Room Equipment is used to provide communication between an Emergency Controller and Driver/Guard, using the 4-Wire Omni bus lines which are terminated on Emergency sockets along the track side. By plugging a portable telephone to the emergency socket Driver/Guard can speak to the Emergency Controller.
The Emergency Control Room Equipment consists of a 2 way speech amplifier circuit along with speech combining facility to monitor the speech on both the Emergency and Train Control circuits. The equipment is housed in a console with a handset and loudspeaker arrangement.