Auto-negotiation using negative link pulses

Multiplex communications – Channel assignment techniques – Using a separate control line or bus for access control

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370462, 370445, H04L 1240, H04J 302

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active

06141350&

ABSTRACT:
A novel auto-negotiation system capable of performing auto-negotiation using negative link pulses. The auto-negotiation system operates in a network transceiver for interconnecting multiple hub communication devices having different operating speeds and link partners provided on a transmission medium. The network transceiver comprises physical layer devices for supporting data exchange between the hub devices and the link partners, and an auto-negotiation device that transmits and receives link pulses of a prescribed polarity carrying auto-negotiation information to and from the link partners to select a mode of communication between the hub devices and the link partners. A reverse polarity detection and correction circuit is provided for supporting auto-negotiation operations when link pulses received from a link partner have a reverse polarity. In a preferred embodiment, the reverse polarity detection and correction circuit comprises a polarity detector for detecting polarity of the link pulses received from the link partner, and a link pulse detector for distinguishing link pulses from data received from the link partner. A polarity reversing circuit responsive to the polarity detector and the link pulse detector reverses polarity of the received link pulses.

REFERENCES:
patent: 5546543 (1996-08-01), Yang et al.
patent: 5586117 (1996-12-01), Edem et al.
patent: 5610903 (1997-03-01), Crayford
patent: 5727006 (1998-03-01), Dreyer et al.
patent: 5737108 (1998-04-01), Bunch et al.
patent: 5783873 (1998-07-01), Dohan et al.
patent: 5809026 (1998-09-01), Wong et al.
patent: 5809249 (1998-09-01), Julyan
patent: 5883894 (1999-03-01), Patel et al.
patent: 5907553 (1999-03-01), Kelly et al.
patent: 5922052 (1999-07-01), Heaton
patent: 5923663 (1999-07-01), Bontemps et al.
patent: 5946301 (1999-08-01), Swanson et al.

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