1. Photos of Rig

2. The FRB Stack The FRBs The SiPMs The PotentiometersDry Air Tube Cooling Pad Fixel Trigger Board FRB to BBB Ribbon Cables

3. Trigger Signal Very Large Scintillating Fibers Copper Cooling Tubes Dry Air Tube Empty Box PMT used with HV as Trigger Signal

4. The Fixel Trigger Board Power Wires Black=ground Red=V+ White/Yellow=V- One Shot Input Wire Output Wires Black=ground White=Signal

5. V-bias Controller Digital (V-) Power Supply Analog (V+) Power Supply Chiller

6. Digital Thermometer Spider Box Beaglebones FRB stack Power strip Ethernet Box BBB Power Source