68-Pin Female SCSI-II, SMB, 14-Pin I/O, Analog Input, PXI Multifunction I/O Module Terminal Block—The TB-2709 is a terminal block assembly that features nine SMB connectors and a 14-pin I/O connector. You can directly connect the TB-2709 to the front panel I/O connectors of the PXI-6122, PXI-6123, PXI-6132, or PXI-6133 PXI Multifunction I/O Modules. You can use the SMB connectors to connect analog input signals to supported NI hardware, or you can use the 14-pin I/O connectors to access digital signals.