A.T Exchange/EPABX Training System

Telephone exchange is an electronic boon to mankind serving from years for communication. It is one of the best combination of Analog, Digital & Mechanical circuits. The Telephone Exchange technology has undergone many phase of changes ever since its invention. ST2657 Automatic Telephone Exchange Training/EPABX System forms the basis of Telephone Exchanges, EPABX technology study. Both manual and automatic switching can be performed. The functional blocks provide easy understanding of the working of the system. Visualizations of the switching and detections by hardware and software presentation make it unique.A DTMF Telephone Trainer is supplied for better understanding of Telephony. Features Easy understanding of various units Use of functional blocks than traditional circuitry Study of various detection phenomena's Detailed circuit study LED visualizations Performing manual switching Study of switching Phenomena Study of traffic units Switched faults CD containing Traffic Analysis Calculator & Working Presentation Supplied with DTMF Telephone Trainer and many more... Experiments that can be performed Generation of various Tones Dial Tone, Busy Tone, Ring Back Tone. Study & analysis of Cross point Space Division switching Analysis of Pulse / DTMF dialing from telephone (Extns). Study & analysis of ON / OFF hook, Ring detection. Measurement of Relay & Ring control signals. Study & analysis of Manual switching. Measurement of Ring generation. Study of power supply.