Scientech Technologies Pvt. Ltd. Supplies A.T. Exchange or EPABX Training System, ST2657. Scientech Technologies Pvt. Ltd. Is an ISO 9001:2000 certified company. The A.T. Exchange or EPABX Training system combines analog, digital and mechanical circuits. It helps in forming the fundamentals of Telephone Exchanges and can be used by both manual and automatic switching. Functional blocks are provided with this system for easy understanding of its functioning. It is provided with a DTMF Telephone Trainer for better understanding of Telephony.
