Circuit card present sense and protective power supply inhibit f

Details Circuit card present sense and protective power supply inhibit f Circuit card present sense and protective power supply inhibit f

1996-10-15

1998-08-18

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Switching systems

Switch actuation

307139, 395282, 395283, 361737, 323908, G06F 1300

Patent

active

057961859

ABSTRACT:
A system on an aircraft that eliminates hot-swapping of circuit boards to prevent damage to the circuit board connector interfaces. The system supplies power to a circuit card only when there is an effective coupling between a circuit card connector and an opposite mating connector. A power control circuit responds to a card present signal which indicates when the circuit card connector is coupled to the opposite mating connector. A logic circuit converts the card present signal to a power supply enable signal. A main power supply receives the power supply enable signal and provides power to the circuit card only when the circuit card connector and the opposite mating connector are appropriately coupled.

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