• 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)