Screw Terminal, 8x16, 2-Wire PXI Module Matrix Terminal Block—The TB-2635 provides the necessary routing to configure the PXI-2529 PXI Matrix Switch Module as a 2-wire 8×16 matrix. You can directly connect the TB-2634 to the front panel I/O connectors of the PXI-2529. The TB-2635 includes screw terminals that provide access to the rows and columns of the matrix.