1553-1-PCI /PCIe PCI /PCIe,4M,one channel, Full Function, MIL-STD-1553B interface cards;
1553-2-PCI/PCIe PCI /PCIe,4M,two channels, Full Function, MIL-STD-1553B interface cards;
1553-3-PCI/PCIe PCI /PCIe,4M,three channels, Full Function, MIL-STD-1553B interface cards;
1553-4-PCI/PCIe PCI /PCIe,4M,four channels, Full Function, MIL-STD-1553B interface cards.