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 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 HV & LV status DELIVERED AT BLG /60  67% of the A3009 (LV) 6/40  15% A3512N (HV) 10/10  100% A3018 (T sens) 30/34  88% EASY crates 5/7  71% branch controllers 6 boards land to ALICE + 2 to the DT group

P. Paolucci - I.N.F.N. di Napoli / Joint RPC-Trigger meeting BLG 904 test setup Hardware and Software Test 3 LV EASY Crate running  15 boards  180 channels 1 HV EASY Crate running  2 boards  12 channels 20 LV boards tested = 240 channels  2 broken (< 1%) 2 HV boards tested = 12 channels  OK Board Temperature went up to 60 °C due to a bad air circulation. Now fixed and temperature around 40 °C DCS is always running (see Giovanni Talk) LabVIEW (D. Lomidze) test program is under installation for more than 900 hours

/ Joint RPC- Trigger meeting P. Paolucci - I.N.F.N. di Napoli5 HV 24 ch – HV - Barrel HV HV-LV schema for MTCC MAJISTE HV service Balcony BarackDetector W+2 W+1 RPC LV phase trigger LV RPC LV trigger LV BC HV SY1527 BC LV BC LV PP service control PP MAO Rpc-dt service control HV multicond. 10 ch. 48 V - service MAO rpc-dt phase HV 24 ch – HV - Endcap HV BC LV Control cable

P. Paolucci - I.N.F.N. di Napoli / Joint RPC-Trigger meeting MTCC status LV hardware is ready for Barrel and Endcap HV hardware ready for May the 22 th LV LB hardware now at blg 904 LV EASY crates installation on the balconies started on May the 9 th. Crate insertion in the rack is difficult No space around the racks Balcony barrack 3-phase installation is underway

P. Paolucci - I.N.F.N. di Napoli / Joint RPC-Trigger meeting MTCC status HV multicond. cables 3 barrel cables are ready and have been tested by myself at CPE 2 endcap cables are in construction at CPE They will be sent at CERN on May 12 th to be installed on May 22 th Local EASY cables will be ready for May 22 th Service and Control long cables ready on May 22 th

P. Paolucci - I.N.F.N. di Napoli / Joint RPC-Trigger meeting MTCC status

P. Paolucci - I.N.F.N. di Napoli / Joint RPC-Trigger meeting To be done LV hardware is ready for Barrel and Endcap HV hardware ready for May the 22th LV EASY crates installation on the balconies started on May the 9th. Crate insertion in the rack is difficult No space around the racks Balcony barrack 3-phase installation is underway DCS is almost ready (Condition DB fixing)