System and method for diagnosing breakdowns of a switch by...

Details System and method for diagnosing breakdowns of a switch by... System and method for diagnosing breakdowns of a switch by...

2007-12-25

2007-12-25

Nguyen, Phung T. (Department: 2612)

Communications: electrical

Visual indication

Using light emitting diodes

C340S644000, C362S030000

Reexamination Certificate

active

11074994

ABSTRACT:
A system for diagnosing breakdowns of a switch by using plural light emitting diodes (LEDs) on a front panel (10) of the switch includes: plural port LEDs (31, 32, 33, 34, . . . 3n), a user interface (50) for generating an instruction to convert display modes of the port LEDs, a CPU (central processing unit) (60) coupled to the user interface for dealing with the instruction, an LED driver (70) coupled to the port LEDs for refreshing the displays of the port LEDs; a physics (PHY) module (80) coupled to the LED driver and used for obtaining the operation statuses of the ports; and a periodic service manager (90) coupled to the LED driver for triggering the LED driver periodically. Display modes of the port LEDs can be converted selectively, which reduces the number of port LEDs needed, and still allows administrators to conveniently diagnose any breakdowns of the switch.

REFERENCES:
patent: 5369392 (1994-11-01), Hoffman et al.
patent: 6169491 (2001-01-01), McDonald
patent: 6627829 (2003-09-01), Sato
patent: 2004/0199627 (2004-10-01), Frietsch
patent: 2005/0088979 (2005-04-01), Mehra
patent: 0012374.1 (2000-09-01), None

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