Level 1 figures, drawings of level 1 trigger

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• Dataflow diagram for the deadtimeless Trigger/DAQ system. Color Postscript. or B/W Postscript.

• Block diagram of the trigger showing detector components involved and Level 1 and Level 2 triggers. Color postscript. or B/W Postscript.

• Block diagram of the components of the Level 1 (XFT, XTRP, L1MUON, L1CAL) trigger including estimates of component latencies. Color Postscript. or B/W Postscript.

• Dataflow of the calorimeter triggers from the detector to L1CAL and the cluster finder. Color Postscript. or B/W Postscript.

• Block digaram of the Level 1 calorimeter trigger including estimates of component latencies. Color Postscript. or B/W Postscript.

• Layout of the six L1 Calorimeter Trigger crates (DIRAC and CRATE SUM). B/W Postscript.

• Mapping of channels and connectors between DIRAC and DCAS cards for one wedge. The value "eta" refers to clusterfinder coordinates counting trigger towers starting in the west plug and ending in east plug. On the DIRAC cards "Input" refers to input channel on the L1AUX transition module. The connector labels (e.g. EP2) refer to connectors on the DIRAC cards. The label HONDAx refer to connector labels on the DCAS cards. B/W Postscript.

• Arrangement of boards in a L1 Calorimeter crate. B/W Postscript.

• Conceptual block diagram of the DIRAC board and L1AUX card. B/W Postscript.

• Conceptual block diagram of the Cratesum board B/W Postscript.

• Timing diagram for data from ADMEM card sent to DIRAC card. B/W Postscript.

• Arrangement of boards in Global Level 1 crate. B/W Postscript.

• Block diagram of dataflow and data readout for complete calorimeter trigger (L1 and L2) trigger path. B/W Postscript.

Updated by Colliness Morris 19 June 1998