Patent ID: 6611853
Filing Date: 2003-08-26
Classification: G01R

Abstract:
A modular switch instrument card for a VXI chassis, the VXI chassis having slots for receiving the modular instrument card, comprising;a modular switch instrument card frame having a front panel and connectors to a VXI backplane, the modular switch instrument card providing a plurality of switch module receiving areas and a plurality of switch connector areas on the front panel; a plurality of switch instrument modules, each switch instrument module having circuitry configured to provide selectable relay connections and to accept relay instruction signals for selecting electrical interconnection paths; a switch interface communicating to the VXI backplane and positioned on the modular switch instrument card, the switch interface communicating to a local backplane bus so that the switch interface accepts relay switch commands from the VXI backplane and communicates the relay instruction to at least one of the switch instrument modules; wherein each the switch instrument modules is mounted on at least one of the module receiving areas, respectively.