EPON????

1
EPON????
2
???? ? ???????
lt1Mbps
3M
8M
25M
100M
ADSL / ADSL2 ????
ADSL2 / VDSL2 ????
PON / P2P ????
????
lt3km
??
lt2km
lt1km
gt5km
????
SDTV
HDTV
HDTV
??
????
VoD
VoD
SDTV
??
Internet
????
2003?
2006?
2010?
2000?

• ???????????????
• ?????????????????

• ?????????????????????????

3
?????????
FTTx

• ????????(P2P Ethernet)???(PON)????
• PON??????????????

xPON (P2MP)
Ethernet (P2P)
GPON
APON
BPON
EPON
P2P
?????????
P2MP
??FTTH/O???
4
EPON ?? GPON?

• ??????,???
• ???????
• ???????
• ??????
• ????????????????

• ????????,?????
• ??????,??????
• ?????????????
• ??????
• ??????

EPON
EPON ???????????????,?????????FTTH ????????
GPON
5
EPON????????????
1
2
3
????EPON???????????? 1?DBA?? 2??????QOS
????
????????????? 1??????? 2??????? 3?ONU????
????
????????? ??EPON??FTTH??????ADSL /LAN?????,????
????
6
?????,???PON?

• Passive Optical Network ?????

ONU
Optical Line Terminal ?????
ONU
OLT
PSTN
Internet
Passive Optical Splitter ?????
ONU
Optical Network Unit ?????
ONU Optical Network Unit ?????
ONT Optical Network Terminal
????? ODN Optical Distribution Network
????? OLT Optical Line Terminal
????? WDM Wavelength Division Multiplex Module
????????

• PON??????OLT(Optical Line Terminal)?????? ONU(
  Optical Network Unit)??????POS(Passive Optical
  Splitter)??

7
PON??----????

• PON????WDM??,????????(??)?
• ??????????????????????,??????????
• ???????????
• ???????TDMA???

8
PON??----????

• ????

9
PON??----????

• TDMA??

10
??????????
Outdoor Cabinet
Central Office
Building
Home
DSLAM
TV
GE
ADSL2/VDSL2
PC
Phone
ADSL2/VDSL2
EPON/GPON
GE/ 10GE
TV
MDU
PC
PON ONT
Phone
P2P Fiber
P2P ONT
MA5680T

• ???? EPON?GPON???????????????P2P
• ?????????? Mini DSLAM?MDU/MTU???ONT

11
???(??)????--EPON
???

• Passive Optical Network ?????

ONU
Passive Optical Splitter ?????
Optical Line Terminal ?????
OLT
ONU
VOD
Passive Optical Splitter ?????
Internet
ONU
Optical Network Unit ?????
CATV
????? ??? ??IP?? ???? ????
???
???
??
12
FTTB--????????
ODN
MA5680T
Level 1Splitter
TL1/XML/FTP/CORBA/MML
Level 2Splitter
EPON OLT
GE/10 GE
MA5626E
Internet
PC
BRAS
TEL
IAD
MA5680T
EPON MDU
IPTV ??
METRO-E Network
MA5620E
PC
EPON OLT
NGN
??OCF01N
BTV/VOD
H8xxe
EPON MDU
TEL
13
???
????????????(??)
VOD??? ????
??
????
CATV ??
IP CORE
Internet
BRAS
???
??
OLT MA568OT
???
??
????
??
CATV 1550/1310nmv
CATV 1550nmv
EPON1310nm/1490nm
???
ONT
????
????
????
EPON
EPON
???
CATV
EPON
CATV
???
CATV
????
????
????
???
MDU
MDU



??
??/????
??
MDU
EOC???
??EOC??
?????
???
???
EOC??
EOC??
??EOC??
??EOC??
??1
??2
STB
PC
STB
PC
??1
??2
??1
??2
EPON??EOC,????
EPONLAN,????
EPON??EOC,????
14
????????EPON??

• ??????
• ??????
• ??????
• ??????

15
????????????--500?
?????,?????13??,?? 1?6?12????,?17??? 2?5?10????,
?10??? 3?2?22????,?3???? ??,?????4?22????,?8????
16
??????MDU????
???? ????? ????? ????
12???? 12 1???? 5620E(16POTS16FE)
10???? 10 1???? 5620E(16POTS16FE)
22???? 22 11???? 5620E(24POTS24FE)
??????60?????,40?????????????????12.5M-5.7M?
17
OLT??????
18
???????
???? ??
??? 32?(19")?????? 1
MDU 5620E(16POTS16FE) 27
MDU 5620E(24POTS24FE) 3
19
??????
?? ?? ??? MDU??
1 10 2 2
2 10 2 2
3 10 2 2
4 10 2 2
5 10 2 2
6 10 3 3
7 12 2 2
8 12 3 3
9 12 4 4
10 12 5 5
11 22 2 2
12 22 1 1
20
EPON??????
BAS
SR

OLT
ONU
ONU
ONU
ONU
ONU
ONU
HG
??????
21
???
????????EPON??
????OLTMA5680T

• ??????????10?????(6144??),??????????????
• ??????????????10GE(????),???????????????????
• ??????GPON?EPON ? GE/FE ? P2P ?
  E1??????,????????????????????

???OLTMA5683T
???OLTMA5606T
22
EPON OLT ----MA5680T
??? SCUL 10G????
??? GICF 2GE ??? SCUL?? GICG 2GE ???
SCUL?? X1CA 110GE??? SCUL?? X2CA 210GE???
SCUL??
??? 4 EPON???? 16FE P2P?????

• ?????????
• ?????????

• ?????????
• ?????????

23
?????????
E P B A
E P B A
E P B A
E P B A
E P B A
E P B A
E P B A
S C U L
S C U L
E P B A
E P B A
E P B A
E P B A
E P B A
E P B A
E P B A
E P B A
E P B A
G I U
G I U
?10GE????

• ?10GE????????400G
• ??????1T
• ?????10GE????
• ?????????

24
?????????
??? 99.99941
???????????

• ???????????
• ????
• ????
• ???????????
• ????
• ????

Main Frame
EPON ?????11 ????,??????????????,????????,?????
PRTA
EPON
EPON
PRTA
CITA

• ?????????????
• ????????????
• ????????,?????????150 000 ???
• ????????????
• ??????????,???????????????????????

• ??????????,??????????????????
• ??????????,????????????????
• ??????????,??????????????
• ???????????????????

25
???
?????????(ONU)
????????,???????????????????????????????????
??????!
26
????????
???

• ????????????,??EPON?GPON?????,?????????,????????EP
  ON?GPON???

27
???????,??????
?????????
????????
?????????
15
ONT?????
ONT
OLT?????
OLT
70
??
15
???????
????????

• ??????ODN????????????????TURN-KEY???????????????
  ?(????????????1???xPON??)?

???????
???????
??????

• ????????????????????(?????????)?

28
?????EPON???
??
??
????
??
??
???
??
??
GE
Splitter
??
??
1 x N
???
132
??
MA5680T
?????EPON??????FTTBLAN?????,????????????? 1?MA56
80T???????,??????????,?????? 2??????????ONULSW??
???????????,????????? ????????? 3????????300??
29
??????????
?????
ISP
ISP
????
?????
AAA???
NE80
NE80
IPTV-CS
????IP/MPLS???????
???
???
????
????
?????
?????
ONU
ONU
?????
EOC???
STB
EOC??
STB
STB
PC
PC
PC
??
??
??
EPONLAN
EPONEOC
????
EPON

• ???????????, ????????EPONEOC/LAN??????????
• ????????????????????
• ????40???,???????????????????????

30
????EPON??

• ???????24?????????10?????34????????????VOD?????VOI
  P??,????????????????????IP????,?IPTV?3G??

31
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