Switching element having central memory for switching narrowband

Details Switching element having central memory for switching narrowband Switching element having central memory for switching narrowband

1993-06-25

1995-05-16

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 59, H04Q 1104

Patent

active

054167736

ABSTRACT:
A space and time switching element comprises a plurality of input circuits for one input line each, on which a plurality of input signals are receivable in a time-division-multiplex mode, a plurality of output circuits for one output line each, on which a plurality of output signals can be output in a time-division-multiplex mode, and memories for temporarily storing signals, wherein a part of the input circuits and output circuits is provided for narrow-band input and output signals, respectively, and another part of the input circuits and output circuits for broadband input and output signals, respectively, and that via the memories, each narrow-band input circuit is connectable to every broadband output circuit, and each broadband input circuit to every narrow-band output circuit. The narrow-band input and output signals may be synchronous time-division-multiplex signals, while the broadband input and output signals may be asynchronous time-division-multiplex signals. The switching element may connect a broadband digital switching network to narrow-band peripheral units.

REFERENCES:
patent: 4811335 (1989-03-01), van Baardwijk et al.
patent: 5016247 (1991-05-01), Cidon et al.

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