Restoration of underground networking during LHC construction
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Transcript of Restoration of underground networking during LHC construction
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Restoration of Restoration of underground networking underground networking during LHC constructionduring LHC construction
Luit de Jonge/SL-CO
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OutlineOutline
Which services do we have todayWhich services do we have today LHC civil engineering sites in the LHC civil engineering sites in the
undergroundunderground Which services will we looseWhich services will we loose Rerouting of services via the surfaceRerouting of services via the surface General services restoration planningGeneral services restoration planning Which services do we need at this time???Which services do we need at this time???
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Which services do we have Which services do we have todaytoday
FDDI-Ethernet – surface– underground
TDM (Time Division Multiplexing)– surface– underground
Optical Fibre Network– surface– underground
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LHC civil engineering LHC civil engineering sitessites
in the undergroundin the underground
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Which services will we Which services will we looseloose
during LHC constructionduring LHC construction
Basically all of the services in the underground
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Rerouting of services via Rerouting of services via the surfacethe surface
Optical fibres to P5 and P7SDH (Synchronous Digital Hierarchy)
installations at PCR, P5 and P7FDDI to P5 and P7 connected via the
surface optical fibresVideo connections via the same fibres
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LdJ, 3 July 1998.
LEP/LHC Optical Fibres (PCR-P5, P6, P7)
P5
P7
P6
PCR
36mm+72sm 5 Km
36mm+72sm 1.5 Km
24mm+48sm 2.2 Km
24mm+48sm 3.6 Km
36mm+72sm 1.1 Km
3 way splice
S5
S4S3
S2
S1
Fig.3
P4
P33
P3
P2
P1
P8
PCR –P5 12MM+24SMPCR-P6 12MM+24SMPCR-P7 12MM+24SMP5-P6 12MM+24SMP6-P7 12MM+24SM
LINKS
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LdJ, November 1998.
SDH Pilot Project (PCR-P5-P7-PCR)
tributaries
P5
P7
P6
PCR
ADM
ADM
P4
P33
P32
P2
P1
P8
STM-4622 Mb/s
ADM
SYSTEMMANAGEMENT
STM-4622 Mb/s
STM-4622 Mb/s
STM-4622 Mb/s
STM-4622 Mb/s
STM-4622 Mb/s
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Luit de Jonge, 4/5/99.
513
SR1PCR
PS
SPS
LHC
376
TCR
SDH nodeDigital tributaries: 2 Mb/s, 34 Mb/s, 140 Mb/sSTM-n: STM-1 (synchronous transport modules)
STM-4STM-16
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General services General services restoration planningrestoration planning
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8-1 15 1-2 25 2-3 33 3-4 4 4-5 55 5-6 65 6-7 76 7-8 85 8-12000 10
1112
2001 010203040506070809101112
2002 010203040506070809101112
2003 010203040506070809101112
Sectoryear month
LEP Dismantling
and
LHC Civil Engineering
LHC General Services Required
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Which services do we Which services do we need at this time???need at this time???
Ethernet connections, but which technology?
ATM connections?SDH connections for point to point links
and transport of IP traffic?FAT optical fibre cables all around the
tunnel?Secure power supply! (220Vac/-
48Vdc)
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Concluding Concluding remarkremark
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many ?many ??????????????? but but we we will will succeed succeed