68-pin SCSI to 68-pin VHDCI Adapter, Digital I/O Connector—The 653X Cable Adapter helps you interface with high-speed digital I/O devices. You can use this adapter to connect the Very High Density Connector Interface (VHDCI) connectors on the PXIe-6535, PXIe-6536, PXIe-6537 PXI Digital I/O Modules and PCIe-6535B, PCIe-6536B, and PCIe-6537B Digital I/O Devices to the 68-pin DAQ connectors featured on PXI-6533 and PXI-6534 Digital I/O Modules. The 653X Cable Adapter also includes screw terminals for programmable function interface (PFI) line routing.