FCAL2 Crates

Preliminary Calorimeter Layout

• 

  Fig. 1 Connection of the FCAL2 insert modules to readout (VXS) crates

• 

  Fig. 2 Location of the FCAL2 crates in four racks

• VXS readout crates
  • D1-1-TOP: 224 channels connected to 14 fadcs
  • D1-1-MID: 224 channels connected to 14 fadcs
  • D1-1-BOT: 224 channels connected to 14 fadcs
  • D1-2-TOP: 224 channels connected to 14 fadcs
  • D1-2-MID: 224 channels connected to 14 fadcs
  • D1-2-BOT: 224 channels connected to 14 fadcs
  • D1-3-TOP: 252 channels connected to 16 fadcs

Translation table

• Wiener crate (LV, MPOD)
  • D1-3-BOT: 2 MPOD modules

• HV crates
  • D1-4-TOP: 10 CAEN modules (48 channels in each)
  • D1-4-MID: 10 CAEN modules
  • D1-4-BOT: 16 CAEN modules
  • Translation table
  • HV distribution

• ECAL Controllers and VTPs

• Total width of four racks: 127 inches

• Possible location of racks in Hall D

• 

  Fig. 1 Possible location of 4 racks