PBX telephone system I/O interface

Details PBX telephone system I/O interface PBX telephone system I/O interface

1986-10-31

1987-06-16

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 94, H04J 324

Patent

active

046740821

ABSTRACT:
Apparatus is provided for converting serial bit digital signals of selected line rate from a plurality of sources into a single serial bit signal for time division multiplexing (TDM) in periodic frames by a central receiver, in a system in which each source is responsive to command signals for transmitting signal information to the receiver.

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