https://thephoenixcontrols.com/product/ds200tbqbg1a-un/ Specifications: MPN: DS200TBQBG1A Manufacturer: General Electric Series: Mark V Product type: RST Analog Termination Board Description ● ● ● ● ● ● ● ● ● ● DS200TBQBG1A is a GE Mark V RST Analog Termination Board. The Input Termination Module occupies position 7 on the R2 and R3 cores, respectively (TBQB). The TBQB terminal board in the R2 core is connected to the TCQA and TCQC boards in the R1 core. The TBQB terminal board is connected to the TCQA and TCQC boards in the R3 core. Voltage, vibration, and pulse rate input signals are sent to the TBQB terminal board. Termination Board has two terminal blocks and each block has 77 terminals for signal wires. DS200TBQBG1A Board contains 15 jumpers, three 34-pin connectors, and three 16-pin connectors It has 4 termination signals. It has limited options to diagnose due to lack of test points and LED Indicators. DS200TBQBG1A is not completely undiagnosable because the PROM contains some diagnostic tools that, when run, provide a report on the problem in the board's functions. The Phoenix Controls has the best prices on Unused DS200TBQBG1A GE Mark V RST Analog Termination Boards. Check out our GE Speedtronic, GE Excitation, GE LCI, Woodward, and Bently Nevada Spare Parts Inventory online or contact us at sales@thephoenixcontrols.com for a quote.