• LEVEL 1 boards
  • CLAS Level 1 Router Board (gif) (pdf) (ps)
  • CLAS Level 1 Event Processor Board (gif) (pdf) (ps)

• LEVEL 1 Trigger signal distribution diagrams
  • Trigger Crate (VXI-D, C1-6, FC) (pdf) (ps)
  • Forward Carriage (pdf) (ps)
  • Space Frame Deck 1 (pdf) (ps)
  • Space Frame Deck 2 (pdf) (ps)
  • Space Frame Deck 3 (pdf) (ps)
  • LAC Clamshell (pdf) (ps)
  • Fast CLear (pdf) (ps)

• LEVEL 2 Trigger System (ps) (pdf)

• Scaler Modules and Veto Logic Signal Diagram
  • Scaler Crate (pdf) (ps)

• FC Calibration STOP and START (gif) (pdf) (ps)

• Helicity

• LEVEL 2 signals
  • Pass/Fail, Forward Carriage (gif) (pdf) (ps)
  • Pass/Fail, Space Frame
  • Majority Logic, Space Frame
  • HBTG, Space Frame

• Sync
  • Space Frame
  • Forward Carriage

• New Photon Trigger, g10, 23-Mar-2004 (gif) (pdf) (ps)

• TLV1 G8 bank

• Trigger Supervisor
  • L1 Accept -> LAC and LF (gif) (pdf) (ps)
  • TDC STARTS and ADC GATES (FC) (gif) (pdf) (ps)
  • TS CLEAR and L1 Accept -> Space Frame (gif) (pdf) (ps)