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DCS Network

DCS Network. Close-out. DCS Network. DCS Network covers: Ports in SG2 for Gas systems (26) Few ports in ACR (DCS dedicated equipment) (4) Majority of ACR is DAQ network Ports in CR1-CR4, for DCS equipment (~120) Mainly CR3 (PCs) and CR4 (detector equipment)

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DCS Network

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  1. DCS Network Close-out

  2. DCS Network • DCS Network covers: • Ports in SG2 for Gas systems (26) • Few ports in ACR (DCS dedicated equipment) (4) • Majority of ACR is DAQ network • Ports in CR1-CR4, for DCS equipment (~120) • Mainly CR3 (PCs) and CR4 (detector equipment) • [CR1: DAQ network, CR2: HLT network] • Ports on CR5 (plug) for gas, safety and detector equipment (18) • Ports in UX (250 ports + 40 ‘uplinks’) • “ALICE” Switches in UX • to connect detector FE such as DCS boards, RCU etc. • Connection into the detector up to detector FE Installed and maintainedby IT/CS Installed andmaintainedby ALICE ALICE Technical Board

  3. DCS Network - GPN • GPN (General Purpose Network) is currently only available in: SXL2, CR1-4, ACR and offices above ACR • The GPN will be installed/extended in the same installation campaign in those places where there is no GPN (or insufficient) available. Mainly • Gas building SG2 (10) • CR5 (plug) (4) • UX (50) • Outside barracks ALICE Technical Board

  4. 1 10 4 1 2 1 3 1 2 5 10 10 10 5 1 4 4 4 1 4 1 4 2 2 1 2 1 Laserhut 1 5 4 6 2 2 2 2 Cooling 3 2 3 1 4 10 3 2 3 1 5 6 4 2 4 4 4 4 2 1 10 1 1 1 5 10 10 10 6 1 • DCS network in UX -- [power supplies, VME crates etc.] • For fixed installed equipment • Based on: rack layout, DCDB, individual requests • 248 ports, only in racks • Connected to switches, installed and maintained by IT/CS • In ‘starpoints’ located in CR5 (plug) and US25 N ALICE Technical Board

  5. 9 6 6 9 1 10 4 1 2 1 3 1 2 5 10 10 10 5 1 4 4 4 1 4 1 4 2 2 1 2 1 Laserhut 1 5 4 6 2 2 2 2 Cooling 3 2 3 1 4 10 3 2 3 1 5 6 4 2 4 4 4 4 2 1 10 1 1 1 5 10 10 10 6 1 • DCS network in UX -- [power supplies, VME crates etc.] • 248 ports, only in racks • DCS network in UX -- [“ALICE” switches for DCS boards, RCU] • Baseline: 1 Gbit uplink per group of switches (15) • Additional request from TRD: 1 uplink per switch (+26) • Total of 41 uplinks N ALICE Technical Board

  6. 9 6 6 9 1 10 4 1 2 1 3 1 2 5 10 10 10 5 1 4 4 4 1 4 1 4 2 2 1 2 1 Laserhut 1 5 4 6 2 2 2 2 Cooling 3 2 3 1 4 10 3 2 3 1 5 6 4 2 4 4 4 4 2 1 10 1 1 1 5 10 10 10 6 1 • DCS network in UX -- [power supplies, VME crates etc.] • 248 ports, only in racks • DCS network in UX -- [“ALICE” switches for DCS boards, RCU] • 41 Gbit uplinks • GPN network -- [e.g. for commissioning/debugging] • Wireless (enough to cover whole cavern) • ~50 ports ‘strategically distributed across rack areas’ • Exact locations being defined now N ALICE Technical Board

  7. Summary • All “IT/CS installed” network (DCS & GPN) has been ordered • Installation will start end of the month, through April • For “ALICE installed” part: • Switches were tested by TRD, wait green light for ordering • Cables into detector are in cable DB and length checked • Minor modifications might still be possible while installing • More important changes will need an additional installation campaign • With its costs and uncertain delays ALICE Technical Board

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