????(Fiber To The Home)????

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????(Fiber To The Home)????

• 98.09.25

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• ?????????
• ????????
• ?????PON ??
• ???? ????????-- EPON RF

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???????????
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??????? (Access Network)

• More transmission capacity (Fiber in the Loop) ?
  FTTx
• Converged Network for converged services
• More Internet-oriented Intelligence, not
  transmission only

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• ?????????
• ????????
• ?????PON ??
• ???? ????????-- EPON RF

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??????????????
customer-provided equipment (CPE)
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ODN??FTTx???????,????FTTx????????????????????
                                               
                                                  
                      
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???? ????

• Point to Point (Media Converter)
• N fibers
• 2N optical transceivers
• Dedicated Bandwidth
• Easy installation

• Passive Optical Network (PON)
• 1 fiber
• N1 Optical transceivers
• Minimal fiber/space in CO
• No Electrical power in the field
• Downstream Broadcast (Video)

• ?????PON,?????????????????,??????????????

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??????????
Worldwide FTTH Deployment Forecast for Connected
Households, 2005 - 2012
Source Heavy Reading, 2008
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EPON?????

• Worldwide PON Equipment Manufacturer Revenue
  Forecast

Source Infonetics Research,PON and FTTH
Equipment and Subscribers Market Share and
Forecasts 4Q07, 2008
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EPON?????
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• ?????????
• ????????
• ?????PON ??
• ???? ????????-- EPON RF

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?????PON ??
A-FIRST Technology Co., Ltd.,
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PON Network Structure
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PON Network Structure

• OLT?ONU???????,OLT???ONU?????????(TDM)????????,???
  ?????ONU

• ???TDMA???????????????

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• ?????????
• ????????
• ?????PON ??
• ???? ????????-- EPON RF

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???? ????????-- EPON RF
??
CATV ??
PC
IP STB
ONU AER-1104
Transmitter E/O
1550nm
???? Splitter
OLT AEC-2008
IP STB
Data
Voice
WDM
IP Network
Tx 1490nm Rx 1310nm
PC
20KM??
HDTV Server
VoIP
VoIP
ONU AER-3124
AEM-2000 NMS (????)
IP STB
CATV ??
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??????
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FTTH?????
NMS Server
Network Management System
ONUCATVVoIP AER-3124
????
L2 EthernetSwitch
LOT AEC-2008
Voice Service
RJ-45
RF
Optical Splitter
RJ-45
IP Switch
1310nm
Video Service
WDM
RJ-45
1310/1490/1550nm

RJ-45
1490/1550nm
RJ-45
CATV Headend
VoIP 1
VoIP 2

1550nm EDFA
Transmitter E/O
Analog TV
PC User1
PC User n