Inexpensive two-way communications switch

Details Inexpensive two-way communications switch Inexpensive two-way communications switch

1995-12-05

1998-05-19

Chin, Wellington

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

370406, H04J 314, H04L 1242

Patent

active

057545499

ABSTRACT:
A two-way communications switch is provided that includes a first state machine connected to a first communications ring and a second state machine connected to a second communications ring. The first state machine is capable of transmitting data to the first communications ring and of receiving data from the first communications ring. The second state machine is capable of transmitting the data to the second communications ring and of receiving data from the second communications ring. Logic circuitry selectively connects the first state machine and the second state machine for receiving data from the second communications ring and transmitting data to the first communications ring and for receiving data from the first communications ring and transmitting data to the second communications ring.

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patent: 4937390 (1990-06-01), Sheehy
patent: 4973953 (1990-11-01), Shimokawa et al.
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patent: 5327431 (1994-07-01), Heske, III et al.
patent: 5331636 (1994-07-01), Yang et al.
patent: 5337311 (1994-08-01), Herzberg et al.
patent: 5379291 (1995-01-01), Herzberg et al.
patent: 5416768 (1995-05-01), Jahromi
patent: 5432907 (1995-07-01), Picazo, Jr. et al.
patent: 5491687 (1996-02-01), Christensen et al.
Truestedt, "Fibre Channel--Arbitrated Loop", pp. 1-4, May 1995.

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