The TRB-family contains a versatile FPGA-platform, TDC-in-FPGA technology with 10ps precision, front-end
electronics and a complete set of data acquisition and control software.
The DiRICH5s1 is just like the DiRICH3-5, but it its own optical transceiver and the power connector (with trigger and clock) on board, therefore it is standalone and doesn't need a backplane.