P. Paolucci - I.N.F.N. di Napoli / Joint RPC-Trigger meeting EASY Crate board/cratechannel/crate (max power) power/crate# crate/rackpower/rack# A3486 LV336 (11 watt/ch) < 900*1< 9001ch/rack HV (10 watt/ch) < 600**3< 18002ch/rack A3486 AC/DC has 2 channels of 2 KW each * 3 boards with safety factor 2 ** 6 boards with safety factor 2

P. Paolucci - I.N.F.N. di Napoli / Joint RPC-Trigger meeting EASY crate back schema

P. Paolucci - I.N.F.N. di Napoli / Joint RPC-Trigger meeting EASY crate connection schema ConnectorCostCablecost 48V powerAPP - 75A red/black + pin (14-8 awg) ( mm2) KW2.5 (black) (red) (2 pins) = V serviceAPP - 30A red/black + pin ( awg) (1.5-4 mm2) KW0.52(black) (red) (2 pins) = 1.58 EASY bus50 pins flat cable8.39Flat 50 wires EarthFork 7mm0.10

P. Paolucci - I.N.F.N. di Napoli / Joint RPC-Trigger meeting NEW USC55 barrel HV system General Information max HV EASY board: 7 ch. max EASY crate: 42 ch. HV distributor: 32 input ch (2 sectors) 16 output ch. Rack height tot:56 U turbine4 U air defl.2 U Rack available height 50 U Total: 72/96 ch. We need (per wheel/rack) 72 ch  12 HV boards (reduced*) 96 ch  16 HV boards (final) 3 EASY crate (4-4-4) (6-6-4) 3 FAN crates + heat exchange 6 distributors + 1 RB4-sect4 join * RB3 and RB4 joint together ( ) 8U EASY fan tary heat exchange EASY fan tary heat exchange 8U EASY fan tary heat exchange 8U 44 U 36 input ch. 24 input ch. 48 output ch. 36 ch. 24 ch. 12 ch. 24 ch. HV distributor sect HV distributor sect sect output ch. HV distributor sect HV distributor sect sect HV distributor spare turbine 4U air deflector 2U S1H02-06

P. Paolucci - I.N.F.N. di Napoli / Joint RPC-Trigger meeting 34U AC/DC 48V power 3U 2x2 KW S1H07 turbine air deflector 2U 4U NEW USC55 HV barrel racks composition SY1527 HV SY1527 LV 8U AC/DC 48V power 3U 2x2 KW AC/DC 48V service 3U 2x2 KW HW numbers 15 EASY crates HV boards A HV channel 30+4 HV distributors 2 SY1527 mainframes 3 or 4 AC/DC 48 V - A3486 (or A3485) CABLE numbers EASY power (direct)5 EASY power (daisy)10 EASY service (direct)2 EASY service (daisy)14 Branch Contr. (direct)2 Branch Contr. (daisy)14 Fan unit contr.15 EASY Ground -15 SY1527 ground HV input HV out AC/DC 48V power 3U 2x2 KW (spare ?) 136 components 800 cables

P. Paolucci - I.N.F.N. di Napoli / Joint RPC-Trigger meeting HV-LV status Setup at 904 is finished. MTCC setup is almost ready Setup ready for Cosmic Challenge in March 06 Move from 904 to SX5 in April 06

P. Paolucci - I.N.F.N. di Napoli / Joint RPC-Trigger meeting LV MTCC setup 2 LV EASY crates OK 2 LV boards A3009 (2 sectors) 1 LV board A3009 (1 sector) Short cables and connections are OK Waiting for lengths for long cables. 2 Control cables

P. Paolucci - I.N.F.N. di Napoli / Joint RPC-Trigger meeting HV MTCC setup 1 HV EASY crates OK 4 HV boards A3512 (3 sectors) Short cables and connections are OK Waiting for lengths for long cables. 3 multi-conductors cables

P. Paolucci - I.N.F.N. di Napoli / Joint RPC-Trigger meeting RPC DCS status Barrel and Endcap projects are ready Two PCs running the projects are at 904 Integration with CMS DCS is almost ready, some common problems still to fix RPC DCS will be ready for May 2006

P. Paolucci - I.N.F.N. di Napoli / Joint RPC-Trigger meeting Next Steps Define the hardware of the endcap system Install the system at SX5 Build and install long cables Test it in April-May to be ready for CC

HW schema for CC BC LV BC LV BC HV RPC - SY1527 HV – EASY – 24 ch. HV AC/DC HV – MAO – 2 ch. Balcony Barack 48 V – service LV Control LV Detector PWR HV Control HV W+2 W+1 LV – EASY – 12 ch. LV LV – MAO – 1 ch. LV – EASY – 24 ch. LV LV – MAO – 1 ch. PWR HV AC/DC phase HV multicond. 10 ch.