Wolfgang fischer technology
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Transcript of Wolfgang fischer technology
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FTTH Networks
Wolfgang Fischer
Chairman Deployment and Operations CommitteeFTTH Council Europe
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Focus FTTH CouncilFocus FTTH Council
Overview topology and technology
POP
DSLAM
MSAN
MSAN
MSAN
DSLAM
ADSL2+
VDSL2
MDU any
ONTFTTH
FTTB
FTTC
FTTCO
< 1 Gbit/s
< 1 Gbit/s
< 50 Mbit/s
< 16 Mbit/s
Fibre
Fibre
Fibre
~ 100 m
~ 400 m
~ 3…5 km
ODN Building Home Desk
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Overview topology and technology
Technology
Topology
Ethernet TDM‐PON WDM PON
P2P
P2MP
Ethernet P2PEthernet P2P PON P2PPON P2P N.A.N.A.
Active EthernetActive
Ethernet PON P2MPPON P2MP WDM PONWDM PON
SharedSharedDedicatedDedicated
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Direct Fibre – Point-to-Point
• Range 10km standard; with proprietary optics further• Independent of transmission protocols• Introduction of new transmission technologies according to technical evolution
Ethernet Switch
Ethernet TDM‐PON
WDM‐PON
Ethernet P2P
Ethernet P2PP2P
P2MP
Individual fibre connection per customer
Active Passive
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Active Ethernet
Ethernet Switch
Ethernet TDM‐PON
WDM‐PON
Ethernet P2P
Ethernet P2P
Active EthernetActive Ethernet
P2P
P2MP
Individual fibre connection per customer
Individual fibre connection per building
Active Passive
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Passive Optical Network (TDM PON)
Optical splitter in OSP
1 2 3
PON OLT1 22 33
11 2 33
11 22 3
2.5G DS / 1.25G US
• Range approx. 20 km• Passive distribution network, time division multiplex• Video distribution downstream on dedicated wavelength
Ethernet TDM‐PON
WDM‐PON
PON P2PPON P2P
PON P2MPPON P2MP
P2P
P2MP
Splitter in POP/office
Active Passive
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Optical splitterin OSP
1 2 3
PON OLT1 22 33
11 2 33
11 22 3
2.5G DS / 1.25G US
• Range approx. 20 km• Passive distribution network, time division multiplex• Video distribution downstream on dedicated wavelength
Ethernet TDM‐PON
WDM‐PON
PON P2MPPON P2MP
P2P
P2MP
PON P2PPON P2P
Optical splitterin building
Active Passive
Passive Optical Network (TDM PON)
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Passive Optical Network (WDM PON)
Optical filter
Wavelengths
• Range approx. 20 km• Passive distribution network, wavelength division multiplex (WDM)• Symmetrical bandwidth• Logical point‐to‐point connections (dedicated wavelengths per subscriber)
Ethernet TDM PON
WDM PON
WDM PONWDM PON
P2P
P2MP
Active Passive
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Central office / POPActive technology
Image source: Internet
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ODNPassive technology (depending on technology also active)
Image source: Internet
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Building connectionFTTB in-building cabling – available copper cables
Compactterminationbox
MDU
VDSLmodem
VDSLmodem
VDSLmodem
VDSLmodem
VDSLmodem
VDSLmodem
VDSLmodem
VDSLmodem
VDSLmodem
Existing or newcopper cables
Drop 2’F
Standard duct cable, central tube design
Patch cord
ONT (MDU) including splice tray
CTBMDU(future)
Source: NSN
With new Cat‐6 cable also native Gigabit Ethernetcan be used in building
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Building connectionFTTH in-building cabling – MDUs – PON example
Source: NSN
No splitter for Ethernet P2P
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Download the FTTH handbook
http://www.ftthcouncil.eu/EN/home/form-handbook
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Thank you for your attention!
www.ftthcouncil.eu