Asynchronous transfer mode (ATM) system having an ATM device cou

Details Asynchronous transfer mode (ATM) system having an ATM device cou Asynchronous transfer mode (ATM) system having an ATM device cou

1994-10-21

1996-01-16

Kizou, Hassan

Multiplex communications

Wide area network

Packet switching

370 859, 370 8511, 370 854, 370 941, H04J 324

Patent

active

054854563

ABSTRACT:
An asynchronous transfer mode (ATM) system has a plurality of physical layers (24, 50, 52, and 26) coupled to one ATM layer (12) for communicating ATM data cells. In order to allow bi-directional communication, both the receive interface and the transmit interface of FIGS. 14 and 15 are coupled between the ATM layer and each physical (PHY) layer in the plurality of physical layers. In order to identify which physical layer of the plurality of physical layers is to either receive or transmit a data cell, a physical layer ID byte is transmitted along with the UTOPIA protocol multi-byte ATM data cell to address one physical layer in the plurality of physical layers.

REFERENCES:
patent: 4779093 (1988-10-01), Watkins
patent: 5101404 (1992-03-01), Kunimoto et al.
patent: 5214642 (1993-03-01), Kunimoto et al.
patent: 5303236 (1994-04-01), Kunimoto et al.
patent: 5383183 (1995-01-01), Yoshida

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