In order to meet the requirements of heterogeneous protocol integration and interconnection in software-defined interconnection systems. a two-stage multi-protocol switching circuit was proposed. This circuit accommodated the forwarding needs of various heterogeneous protocols by integrating shared memory and Crossbar architectures. In addition. https://www.roneverhart.com/Straight-Blade-Receptacles-Duplex-2P-3W-20A-125V-5-20R-WHITE-HUBBELL-5362W/