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What is Digital Switch Schematic Overview about?
This document provides a schematic of a digital switch used in telephone exchanges. It shows that the digital switch consists of line terminal interface cards that sample and convert analog signals to digital, a peripheral time switch, a space switch, service circuits for tones and announcements, a peripheral switching processor, a common controller, an alarm panel, and a man machine interface computer.
- Author
- pavalbharathi
- Language
- EN