1. Fiber Installation for RUN 3&4
By Giuseppe Simonetti
ALICE-DAQ, O2-Project WG17

2. Summary CTP fibers: DAQ fibers:
From CTP racks (PIT) to Detectors ITS and MFT (Trigger GBTx)
From CTP racks (PIT) to CR1 (Trigger GPON)
DAQ fibers:
From PIT to CR1:
Schematically layout and requirements for each detector and total number of fibers (TPC FEC with 5 MHz sampling)
Connections in CR1: MTP-MTP patch-cords
Material needed (patch cords, trunk cables,…)
Trunk cable length and possible distribution of 19” subracks/terminal plates in the PIT and in CR1
Fibers from CR1 to TPC clean room
Path, requirements and cost estimation (DONE)
Fibers from CR1 to CR0
Path, requirements and cost estimation (To Be EVALUATED)
Fibers from CR0 to CC-Meyrin

3. Fiber connections from PIT (LC-MTP) to CR1 (MTP-MTP)
4U Patch Panel
MTP-MTP
Trunk cable
CRU (MTP plug)
2xMTP (12F)-1xMTP (24F)
Patch-cord
MTP-LC
FPGA
GBTx
SCA
2 × 16 channel FPGA
VTTx/VTRx optics
(LC/PC plug)

4. Patch panel location in the PIT
30x144
TOF-A/I (1x48)
Patch panel location in the PIT
TRD
FIT
MID-O
MCH-O
MCH-I
TOF-A/O
TPC-A/O
ITS-O
ITS-O GBTx
ITS-I GBTx
TPC-A/I
ITS-I
TOF-A/I
MID-I
TPC-C
MFT
MFT GBTx
TOF-C
From FASS
CTP DAQ
CTP-GPON
CTP-GBTx L3
PP0:
A19
From SSD chicanes

5. CTP fibers CTP C-side racks <--> A-side Mini Frame: 50 m (ITS):
See next slide for the solution with conventional Single Mode cables
CTP C-side racks <--> C-side Back Frame: 30 m (MFT):
See next slide for the solution with conventional Single Mode cable
CTP C-side racks (C24, C26) <--> CR1: 130 m (rack CR1-X07):
Single-Mode fibers of 130 m for GPON asymmetrical standard: simplex fiber bidirectional with nm (10Gbit) and nm (2.5Gbit) => 1 trunk cable MPO-MPO of 48 fibers
19x2 DAQ + 19x2 IP Control + spares OM3 Multi-Mode fibers => 3x48 trunk cables MPO-MPO Type A of 130 m

6. C-side racks (CTP) CTP C24
The new MM terminal plate will replace the old one
The new GPON-GBTx terminal plate will replace the old one

7. EN/EL Installation part
CTP LTUs
(C24/26)
ITS
(Mini-Frame)
ITS-I: 1 conventional cable 12F
ITS-O: 1 conventional cable 12F
192 LC Single Mode patch-cords exiting from splitter
MFT
(Back-Frame)
80 LC Single Mode patch-cords exiting from splitter
MFT: 1 conventional cable 12F
Direct trigger to ITS and MFT (GBTx)
LC/APC-LC/APC Single Mode fibers for GBTx standard: 2 conventional cables of 12 fibers for ITS (1 for I-side and 1 for O-side) and 1 conventional cable of 12 fibers for MFT
The path should be evaluated with a visit in the pit
12xSplitters
116
8xSplitters
LC/APC
Plate
LC/APC
Plate
EN/EL Installation part

8. Material and number of Single Mode fibers for CTP GBTx

9. EN/EL Installation part
CTP LTUs
(C24/26)
PIT
TPC CRUs (CR1)
SC/APC-SC/UPC patch-cords
MCH CRUs (CR1)
Trigger through CRUs for TPC, MCH, MID, FIT, ACO, TOF, TRD, ZDC:
Single Mode fibers for GPON standard (1 trunk cable MPO-MPO of 48 fibers)
One LTU per detector with up to 10 GPON links available
ACO should use CRU? To be confirmed
6xTPC Splitters
164
MCH Splitter
132
MID, FIT TOF, TRD CRUs (CR1)
SM fibers (LC/APC-SC/APC)
MID Splitter 1->2
FIT Splitter 1->2
TRD Splitter 1->32
TOF Splitter 1->4
ACO CRU ?
ZDC CRU
CTP CRU
SM fibers (LC/APC-SC/UPC)
CR1
CTP
(CR1)
Trunk cable MPO-MPO
48 fibers
EN/EL Installation part
MPO-12xSC/UPC
LTU

10. Material and number of Single Mode fibers for CTP GPON

11. EN/EL Installation part
CTP DAQ and IP control
Multi Mode fibers (trunk cable of 48 fibers) from PIT to CR1 (DAQ) and CR3 (IP TO BE DECIDED)
MTP-MTP
patch-cords
CTP LTUs
(C24/26)
PIT
CTP subrack
(CR1-X07)
CTP CRU (CR1)
3x48 MM fibers
MTP-MPT trunk cables
CTP subrack
(CR3)
CTP switch (CR3)
MTP-LC
patch-cords
EN/EL Installation part

12. TPC

13. C-side: Upper chicanes vs FASS entrance
x3 (SSD)
x4 (SSD)
Remove
x8 (SSD)
I-side FASS entrance:
Pipes to be removed
I-side: 15 chicanes available
Organize a visit to evaluate the best entrance to C-side

14. A-side: Direct trunk cable vs Intermediate patch-panel
Trunk cables to be rounded near the Mini Frame and delayed the final termination into mini racks (TPC) and VME crate (ITS) until the new structure will be put in place
First section of trunk cables terminated in rack A19 below the Mini Frame and installation of second section of trunk cables with the final termination into mini racks (TPC) and VME crate (ITS) when the new structure will be put in place
Organize a visit to evaluate the best option

15. C-side Back Frame (TPC C-side)
18 subracks for:
TPC (OM3)
TOF (OM3)
TOF (TTC)
TOF (DCS)
TRD (OM2)
C103
C104
C105
C102
C106
C101
C107
C100
C108
C117
Reuse existing subracks,
Remove TPC and TOF (DAQ) terminal plates
Keep TOF (TTC, DCS) and TRD (DAQ) terminal plates
C109
C116
C110
C115
C111
C114
C112
C113

16. A-side Mini Frame (TPC A-side)
O-side
I-side
Mini-racks (8U):
TPC (A101-07)
Mini-racks (8U):
TPC (A100-07)
Mini-racks (12U):
TPC (A102-11)
TPC (A102-07)
Mini-racks (12U):
TPC (A103-11) TPC (A103-07)

17. Material and number of OM3 fibers for TPC (DAQ)

18. Muon side: MCH and MID
MCH
MID

19. Muon side (MCH ch. 1-6 I/O-side)
MTP-12LC patch-cords
To be passed under the floor and through the Dipole
MCH
C119 (I-side)
C120 (O-side)

20. Muon side (MCH ch. 7-10 I/O-side)
8x1U standard patch-panel with 3 terminal plates of 2xMTPs-24xLCs to be fixed beside the box where exit the cables
MTP-MTP patch-cords
Ch. 10
O-side (6)
I-side (6)
To be passed under the floor:
#: 2 (sides) x 4 (ch.) x 6 (cords) = 48
GBTx link
LC-LC single patch-cords
MCH
C119 (I-side)
C120 (O-side)
Ch. 9
Ch. 8
Ch. 7

21. Fibers for each MCH chamber (DAQ)

22. Material and number of OM3 fibers for MCH (DAQ)

23. Level 4 (MID) MID I-side (I36) MID O-side (O36)
1U patch-panel (MTP-MTP)
1U patch-panel (MTP-MTP)
MID I-side (I36)
MID O-side (O36)

24. Material and number of OM3 fibers for MID (DAQ)

25. Baby-Frame (TOF A-side)
O-side:
2x 1U 19" subrack
Entrance of 1 trunk cable
I-side:
1x 1U 19" subrack
Entrance of 2 trunk cables

26. C-side Back Frame (TOF C-side)
18 subracks for:
TPC (OM3)
TOF (OM3)
TOF (TTC)
TOF (DCS)
TRD (OM2)
C103
C104
C105
C102
C106
C101
C107
C100
C108
C117
Reuse existing subracks,
Remove TPC and TOF (DAQ) terminal plates
Keep TOF (TTC, DCS) and TRD (DAQ) terminal plates
C109
C116
C110
C115
C111
C114
C112
C113

27. Material and number of OM3 fibers for TOF (DAQ)

28. At least 32 high speed I/O @1.2 (Gb/s)
ITS
Optical side
At least 32 high speed (Gb/s)
Control
3.2 Gb/s
Trigger
To be defined
FPGA
GBTx
SCA
2 × 16 channel FPGA
Layout
Readout Units
Versatile link
Fibers
Layer
Staves
Copper assembly
RUs
× stave
× layer
GBTx
SCA
VTRx
VTTx
TRG
Data
Ctrl 12 1 36 24 16 48 32 2 20 60 40 3 96 72 4 30
120 90 5 42
168
126 84 6
192
144
Total
624
576
384

29. A-side Mini Frame (ITS)
O-side
I-side
ITS RU/trigger crates:
- SM fibers for GBTx standard
- Required to insert the ITS terminal plates in these VME crates (to be evaluated)
ITS RU/trigger crates:
- SM fibers for GBTx standard
- Required to insert the ITS terminal plates in these VME crates (to be evaluated)

30. Material and number of OM3 fibers for ITS (DAQ)

31. 48
240
MFT 48

32. Fiber 2x1U subrack (C118A/B)
C-side Absorber (MFT)
I-side view
2x1U 19” Subrack
CratesO-side
Top view
Fiber 2x1U subrack (C118A/B)
RU/trigger crates
Crates I-side
Use 2x 1U 19” subracks (C118A, C118B)

33. Material and number of OM3 fibers for MFT (DAQ)

34. 1U patch-panel (MTP-MTP)
C-side racks (TRD, FIT)
TRD C17
3U subrack (MTP-MTP)
FIT C33
1U patch-panel (MTP-MTP)

35. Material and number of fibers for FIT (DAQ + Laser system)

36. Material and number of OM3 fibers for TRD (DAQ)

37. C-side Back Frame (TRD)
18 subracks for:
TPC (OM3)
TOF (OM3)
TOF (TTC)
TOF (DCS)
TRD (OM2)
C103
C104
C105
C102
C106
C101
C107
C100
C108
C117
Reuse existing subracks,
Remove TPC and TOF (DAQ) terminal plates
Keep TOF (TTC, DCS) and TRD (DAQ) terminal plates
C109
C116
C110
C115
C111
C114
C112
C113

38. 1U patch-panel (MTP-MTP)
CR4 (ZDC)
1U patch-panel (MTP-MTP)
ZDC CR4-X08

39. Total number of fibers for each detector

40. Trunk cables for each paths (Multi Mode fibers)

41. Trunk cables for each paths (Single Mode fibers)

42. Trunk cable paths in the PIT
30x144
TOF-A/I (1x48)
Trunk cable paths in the PIT
DAQ/Ctrl/Trg Trunk cables in the PIT:
O-side path (66x144+4x48):
TPC-A (52x144), ITS-I (4x144), ITS-O (4x144)
TOF-A (2x48)
MCH (6x144)-MID (2x48) O-side
I-side path (72x144+12x48):
TRD (10x144) + CTP (3x48 + 1x48 SM)
TPC (52x144)-TOF (3x48) C-side
TOF (1x48) A-side
MFT (4x144) Absorber
MCH (6x144) I-side
MID (2x48) I-side
FIT (3x48)
TRD (10x144)
MID-O (2x48)
66x144
4x48
6x144
2x48
60x144
MCH-O
(6x144)
MCH-I
TOF-A/O (2x48)
TPC-A/O (26x144)
ITS-O (4x144)
ITS-O GBTx (1x12)
ITS-I GBTx (1x12)
TPC-A/I (26x144)
ITS-I (4x144)
MID-I (2x48)
72x144
12x48
1x48 SM
16x144
8x48
56x144
3x48
TPC-C (52x144)
MFT (4x144)
MFT GBTx (1x12)
TOF-C (3x48)
CTP (3x48)
1x48
GBTx/GPON cables:
In L3 (conventional cable):
MFT (1x12 LC-GBTx)
ITS (2x12 LC-GBTx)
I-side path (trunk cable):
GPON (1X48 MTP-GPON)
GPON (1X48)
GBTx (3x12) L3

44. Distribution of subracks and terminal plates in the PIT (TPC A-side)

45. Distribution of subracks and terminal plates in the PIT
(TRD, FIT, CTP, ZDC, MFT)

46. Distribution of subracks and terminal plates in the PIT (ITS, TOF A-side)
NB: The ITS terminal plates should be installed in the ITS VME crates (to be confirmed)

47. Distribution of subracks and terminal plates in the PIT (TPC C-side sec , TOF C-side sec )

48. Distribution of subracks and terminal plates in the PIT (TPC C-side sec ; TOF C-side sec ,13-17)

49. Distribution of subracks and terminal plates in the PIT
(MCH,MID)

50. Distribution of subracks and terminal plates in CR1/CR3
(ITS, TOF, FIT, ZDC, MFT, TRD, CTP)

51. Distribution of subracks and terminal plates in CR1
(MCH, MID)

52. Distribution of subracks and terminal plates in CR1
(TPC A-side)

53. Distribution of subracks and terminal plates in CR1
(TPC C-side)

54. Trunk cable: Labels and Lengths
Path Plan A: access to Back Frame from FASS

55. Trunk cable: Labels and Lengths
Path Plan A: access to Back Frame from FASS

56. Trunk cable: Labels and Lengths
Path Plan A: access to Back Frame from FASS

57. Trunk cable: Labels and Lengths
Path Plan A: access to Back Frame from FASS

58. Trunk cable: Labels and Lengths
Path Plan A: access to Back Frame from FASS

59. Trunk cable: Labels and Lengths
Path Plan A: access to Back Frame from FASS

60. Trunk cable: Labels and Lengths
Path Plan A: access to Back Frame from FASS