manual switching
communications
Quick Summary
Manual switching in communications refers to the earliest method of connecting telephone calls. In this system, each telephone line connected to a central point, or telephone exchange. Operators at a manually operated switchboard would physically connect callers by inserting cords into jacks corresponding to the desired numbers. This allowed a limited number of customers to reach each other. This method was fundamental to the development of telephone networks before the advent of automatic switching systems.12
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