Development of the Equipment of Subset Multiplexing Terminal for Hard-Wire Communication Systems

One of problems worth in present time before organizations, giving services of telephone communication, is the shortage of copper pairs in urban cables. The overload existing fixed networks now is felt sharp enough, and became a tough problem. There are no cables incorporated on the project, if wires in cables are not enough, or some wires malfunctioning, or their characteristics have changed, etc. As a rule this task is solved by installation of systems of subset multiplexing terminal.