proposed uxc racks layout for re4 lv system
DESCRIPTION
Proposed UXC Racks layout for RE4 LV System. Hardware Information. Rack space is needed for the following RE4 hardware : Link Board Box(LBB) for RE4 signal cables 3 LBBs per tower. i.e. one per level (X2, X3, X4). MAO and EASY Crate for RE4 Low Voltage Cables 1 MAO/disc 1 EASY Crate/tower. - PowerPoint PPT PresentationTRANSCRIPT
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Proposed UXC Racks layout for RE4 LV System
ESR Meeting 14 March 2012
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Hardware Information• Rack space is needed for the following RE4
hardware :– Link Board Box(LBB) for RE4 signal cables• 3 LBBs per tower.
– i.e. one per level (X2, X3, X4).
– MAO and EASY Crate for RE4 Low Voltage Cables• 1 MAO/disc• 1 EASY Crate/tower
ESR Meeting 14 March 2012
-RE4 hardware will be installed in the existing racks in USC and UXC• 18 LV cables in one easy crate
• 72 signal cable in one Link Board Box
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3ESR Meeting 14 March 2012
• After RE4 EDR, we had an agreement with CSC Colleagues for the rack distribution of our equipments
• This new layout was verified in UXC55• On the basis of this layout and after a visual inspection of the
cable paths near to the racks length of all the cables has been calculated with a 3-d model of station 3.
• A new layout has been proposed and agreed with CSC colleagues taken in to the account the constraint of a maximum length of 16.5m for the signal cables in order keep the same trigger latency.
• Lengths of the HV and LV cables have been evaluated• Paths and lengths need to be x-checked by the integration
team
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Signal Cable RE+4
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6ESR Meeting 14 March 2012
X3A51 X4A51
YE+3 FAR
X2A52
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X3J51 X4J51
YE+3 NEAR
X2J52
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Signal cable RE-4
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10ESR Meeting 14 March 2012
X2S52 X3S51 X4S51
YE-3 FAR
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11ESR Meeting 14 March 2012
X3V51 X4V51
YE-3 NEAR
X2V52
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X2A52 X2S52
If needed Heat Exchanger for LV crates:Power dissipation:Easy crate : 3 x 0.32=0.96 KW LV MAO A3486 AC to DC : 0.45 KWremove Blank panel 1U on the top as in X2S52 and move up all the equipments by one unit(big job)
New Heat Exchanger