Architecture%20Working%20Group

1
Architecture Working Group

• NEMO Phase 1 data transmission considerations
  toward km3

2
NEMO KM3 EXPERIMENT LAYOUT
3
TOWER BLOCK DIAGRAM
4
OPTICAL DATA TRANSPORT TOPOLOGY (SEASIDE)
1 X 155 Mbit/s
FCM 1
2 X 2.5 Gbit/s
2 X 2.5 Gbit/s
TJB 1
SJB 1
FCM 16
4 X 2.5 Gbit/s 2 spare Fibers
1 X 155 Mbit/s
PJB
TO LANDSIDE
1 X 155 Mbit/s
FCM 1
TJB 2
SJB 2
2 X 2.5 Gbit/s
2 X 2.5 Gbit/s
FCM 16
1 X 155 Mbit/s
5
OPTICAL DATA TRANSPORT TOPOLOGY (LANDSIDE)
155 Mbit/s from FCM 1
FROM TJB 1
155 Mbit/s from FCM 16
4 X 2.5 Gbit/s 2 spare Fibers
MAIN OPTICAL BOX
155 Mbit/s from FCM 1
FROM SEASIDE
FROM TJB 2
155 Mbit/s from FCM 16
TWO AUXILIARY CHANNELS
6
FLOOR DATA TRANSPORT
To Tower JB
DWDM OPTICAL TRANSCEIVER
2/1 DWDM MUX
7
TJB DATA TRANSPORT
TJB
16/1 DWDM MUX
FLOOR 1
1/2 DWDM MUX
POWER
200/100 GHz INTER LEAVER
X 16
X 16
SPLITTER
1/16 DWDM MUX
1/2 DWDM MUX
FLOOR 16
8
SJB DATA TRANSPORT
SJB
9
PJB DATA TRANSPORT
1300 1500 MUX
Tower 1 Main
Tower 1 Main
Tower 1 Protection
Tower 1 Protection
1300 1500 MUX
Spare 1
Aux 1
To/From Land Side
To/From SJB
1300 1500 MUX
Aux 2
Spare 2
Tower 2 Main
Tower 2 Main
1300 1500 MUX
Tower 2 Protection
Tower 2 Protection
10
MOB DATA TRANSPORT
1/16 DWDM MUX
1300 1500 MUX
SW 1
Floor 1
100/200 INTER LVR
1/16 DWDM MUX
Tower 1
1300 1500 MUX
Aux 1
Floor 16
Floor 1
1300 1500 MUX
Aux 2
1/16 DWDM MUX
Tower 1
100/200 INTER LVR
Floor 16
1/16 DWDM MUX
1300 1500 MUX
SW 2
EO CABLE
11
LABORATORY DATA TRANSPORT
DWDM OPTICAL TRANSCEIVER
TO/FROM MOB
12
POWER LOSS BUDGET
21 DWDM MUX (FCM) 2 dB
12 DWDM MUX (TJB) 2 dB
161 DWDM MUX (TJB) 2 dB
200100 GHz INTERLEAVER (TJB) 3 dB
12 POWER DIVIDER (TJB) 3 dB
1.3 nm1.5 nm CWDM MUX (PJB) 2 dB
ELECTRO OPTICAL CABLE ( 30 km) 9 dB
1.3 nm1.5 nm CWDM MUX (MOB) 2 dB
100200 GHz INTERLEAVER (MOB) 3 dB
116 DWDM MUX (MOB) 2 dB
TOTAL POWER LOSS 30 dB
13
AGILENT DWDM TRANSCEIVER
14
SYSTEM BENEFITS

• NETWORK TOTALLY PASSIVE (but for the
  Transceivers)
• PROVIDES AN AUXILIARY CHANNEL FOR TOWER
• LEAVES TWO FIBERS FREE FOR FUTURE NEEDS
• USES ONLY ONE FIBER FROM EACH FLOOR TO TJB
• ACHIEVES 100 FIBER REDUNDANCY FROM TJB TO MOB
• ALL REDUNDANCY SWITCHES ARE ONSHORE
• USES ONLY COMMERCIALLY AVAILABLE COMPONENTS
• LOW COST