Electrified hot-plug photoelectric communication switching board circuit

The invention relates to an electrified hot-plug photoelectric communication switching board circuit, which comprises two power supplies and a load circuit, the load circuit is used for converting-48V voltage into + 12V voltage and outputting the + 12V voltage, the electrified hot-plug photoelectric communication switching board circuit further comprises a hot-plug circuit, the hot-plug circuit and the load circuit form a module, and the two power supplies respectively have-48V power supply and are electrically connected with a plurality of modules; the hot plug circuit comprises a delay slow start control circuit and a male plug J1; the delay slow start control circuit is provided with an A power supply circuit, a B power supply circuit, a field effect transistor Q1 and an RC charging circuit, the A power supply circuit and the B power supply circuit are switched and controlled through a male plug J1 and are in one-to-one correspondence with two power supplies, and after the male plug J1 switches the power s