Hot swap method

Details Hot swap method Hot swap method

2005-04-19

2005-04-19

Auve, Glenn A. (Department: 2111)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus expansion or extension

C710S104000

Reexamination Certificate

active

06883055

ABSTRACT:
A hot swap method for a switch. The switch includes plural slots and an agent module including a first link module coupled to the plural slots is disclosed. When a switch module having a second link module is inserted into the plural slots, the agent module generates an interrupt signal and a reset signal to initialize the switch circuit module. The agent module records an identification number of the second circuit module in a link table stored in the agent module. The link table stored in the agent module is generated by a topology discovery process. The switch module records an identification number of the agent module stored in the switch module. When the switch module is about to be removed, a release button of the switch module is pressed and an interrupt signal is generated by the agent module. The agent module disables communication function of the switch module. The agent module detects that data of the switch module is completely transmitted. The agent module removes the identification number of the switch module from the link table stored in the agent module. A LED of the switch module is turned on to show that the switch module is new removable.

REFERENCES:
patent: 5579491 (1996-11-01), Jeffries et al.
patent: H1940 (2001-02-01), Lohn, III
patent: 6763417 (2004-07-01), Paul et al.
patent: 20020078290 (2002-06-01), Derrico et al.

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