Screw Terminal, Ribbon, PXI Module Multiplexer Terminal Block—The TB-2630B provides the necessary routing to configure the PXI-2630B PXI Multiplexer Switch Module as a single, dual, or quad 1-, 2, or 4-wire multiplexer. You can directly connect the TB-2630B to the front panel I/O connectors of the PXI-2530B. The NI TB-2630B features ribbon cable headers to connect signals to the PXI Multiplexer Switch Module as well as screw terminals for trigger input and trigger output signals.