Auto-negotiation method for high speed link in gigabit Ethernet using 1000 Base-T standard and apparatus thereof
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United States of America Patent
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May 30, 2006
Grant Date -
Sep 19, 2002
app pub date -
Sep 4, 2001
filing date -
Jan 15, 2001
priority date (Note) -
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Abstract
An auto-negotiation (AN) method for establishing a high speed link between first and second transmitting devices in a gigabit Ethernet using the 1000 Base-t standard includes transmitting and receiving a base page indicating a transmission capability between the first and second transmitting devices. A message page is transmitted and received that indicates a 1000 Mbps transmission capability between the first and second transmitting devices and a specific state. A first unformatted page is transmitted and received that indicates transmitting speeds and modes, and port types of the first and second transmitting devices. A null page is transmitted and received after the first unformatted page, upon determining a master and slave from among the first and second transmitting devices based upon the first unformatted page. A high speed link is established between the first and second transmitting devices and the AN method is terminated.
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