Generalized auto media selector

Details Generalized auto media selector Generalized auto media selector

2005-08-10

2009-11-17

Harper, Kevin C (Department: 2416)

Multiplex communications

Data flow congestion prevention or control

Flow control of data transmission through a network

C370S360000, C370S384000, C370S469000

Reexamination Certificate

active

07619975

ABSTRACT:
A network media selection system comprises a memory that stores priority information for each of a plurality of ports and a media selector module that communicates with the memory, that receives activity signals and link signals from the plurality of ports, and that uses the activity signals, the link signals, and the priority information to generate enable signals for the plurality of ports. A respective port attempts to establish a link when a corresponding one of the enable signals is in a first state, and the respective port detects physical layer activity when a corresponding one of the enable signals is in a second state. The media selector module selectively sets enable signals to the second state for all of the plurality of ports other than a target port, which has the highest priority and has generated a link signal.

REFERENCES:
patent: 5936962 (1999-08-01), Haddock et al.
patent: 6154464 (2000-11-01), Feuerstraeter et al.
patent: 6389480 (2002-05-01), Kotzur et al.
patent: 7023873 (2006-04-01), Gibson et al.
patent: 2003/0179711 (2003-09-01), Huff
patent: 2003/0214979 (2003-11-01), Kang et al.
ANSI/IEEE Std. 802.3, 2000 Edition; Part 3: Carrier Sense Multiple Access With Collision Detection (CSMA/CD) Access Method And Physical Layer Specifications, Parts 1, 2 & 3.
U.S. Appl. No. 11/114,842, Pending, William Lo.

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