Broadband ISDN packet switching arrangements

Details Broadband ISDN packet switching arrangements Broadband ISDN packet switching arrangements

1990-03-30

1992-05-19

Safourek, Benedict V.

Multiplex communications

Wide area network

Packet switching

370 581, 3701101, H04J 326

Patent

active

051154269

ABSTRACT:
A broadband packet switch arrangement comprising a broadband packet unit connected to a plurality of customer lines and a video switch for selectively connecting packetized video signals from a plurality of video sources to the customer lines. The broadband packet switch unit selectively connects customer lines and transmits received control packets received from the customer lines to a control unit which responds to video request packets by controlling the video switch to connect selected video packets to the customers lines. Each customer line includes a selector circuit which receives video packets and inter-customer broadband ISDN packets and merges them onto the customer line. After the control unit has granted permission to connect a video source to a customer line, video source change requests for the line are sent directly to the video switch which responds thereto by connecting a requested video source to the customer line.

REFERENCES:
patent: 3573377 (1971-04-01), Anderson et al.
patent: 3612767 (1971-10-01), Anderson et al.
patent: 4592048 (1986-05-01), Beckner et al.
patent: 4700341 (1987-10-01), Huang
patent: 4763317 (1988-08-01), Lehman et al.

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