logging in or signing up EPON����ԭ�������ص� lywlm Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 168 Category: Education License: All Rights Reserved Like it (0) Dislike it (0) Added: April 13, 2009 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript EPON????????? : EPON????????? ?? : ?? EPON????????? EPON???? FTTx???? ????????? : ????????? LLID????? MPCP ???????? EPON????????? : EPON????????? ?????? 1310 nm, ?????? 1490nm ???? : ???? ???????: ????P2MP???????????????P2P?????? LLID??????????????,??????????????? ?????: ??????????????LLID,????????????? ????: ?ONU????????????LLID; OLT???????LLID????; ONU?????,????????LLID??????? EPON????? : EPON????? EPON?????? ??802.3?????,??????? ?????????,??????????????????????????????????ONU?,??????IEEE802.3??,?????1Gbps????????????,?????????????? ?????????,??ONU??????,????????????????,?????????? EPON????-??? : EPON????-??? ??802.3??? ?? LLID :???OLT???ONU LLID?? : LLID?? ????????? a.??: MODE=1?? LLID=0x7FFF b.??: MODE=0?LLID!=0x7FFFF ????????? : ????????? LLID????? MPCP ???????? MPCP?? : MPCP?? MPCP(Multi-Point Control Protocol)??????????(P2MP)??????????????????? ???????? ????????? ????,??????ONU???,???? ONU???????????? ??????????????? ????16?ONU ??????????????? MPCP?? : MPCP?? MPCP?OLT?ONU???????????——MPCP?????????????: ?????????????????????ONU?? ??OLT???????????????ONU?????,????PON????????? MPCP???GATE????:??????????? ?????????????ONU,???????ONU?MAC?? ?????????????ONU?????? MPCP??? : MPCP??? Opcode ????????? Timestamp ??????,????????????????? ?????????????,?Mandatory Param ?????????(Optinal Param),????????? ????0?? FCS ????? MPCP???(?) : MPCP???(?) ???(Time Stamp) ??????OLT?ONU??????????????????????? OLT???????RTT???? ????????: ??????4???? ?????????MAC??????MAC???OLT????? ONU??????????,??????????????????? ??????16??32?,?????16ns MPCP??? : MPCP??? ?????MPCP? GATE(OLT??) ?????GATE??ONU??????????????? REPORT(ONU??) ?OLT??ONU???,???ONU?????????????????????? REGISTER_REQ (ONU??) ??????????????? REGISTER (OLT??) ????????????ONU?????????? REGISTER_ACK (ONU??) ????????????????? MPCP??? MPCP?-GATE : MPCP?-GATE – DA: Destination address – SA: Source address – Type : 88-08 – Opcode : 02 – Timestamp:32bits – Number of grants :0-4 – Grant #n start time :32bits – Grant #n length:16bits - AGC Settling Times: 16bits - Pad/Reserved: 11-39 bytes – FCS: 32bits MPCP?-REPORT : MPCP?-REPORT – DA: Destination address – SA: Source address – Type : 88-08 – Opcode : 03 – Timestamp:32bits – Number of queue sets :0-4 – Queue #n Report :16 bits - Pad/Reserved : 0-39 bytes – FCS: 32bits MPCP?-REGISTER_REQ : MPCP?-REGISTER_REQ – DA: Destination address – SA: Source address – Type : 88-08 – Opcode : 00-04 – Timestamp:32bits – Flags :8bits – Pending grants :8 bits - Pad/Reserved: 38 bytes – FCS: 32bits MPCP?-REGISTER : MPCP?-REGISTER – DA: Destination address – SA: Source address – Type : 88-08 – Opcode : 00-05 – Timestamp:32bits - Assigned port: 16bits - Flags: 8bits – AGC Settling time :16bits – CDR Lock Time :16 bits - Echoed pending grants: 8bits - Pad/Reserved: 34 bytes – FCS: 32bits MPCP?-REGISTER_ACK : MPCP?-REGISTER_ACK – DA: Destination address – SA: Source address – Type : 88-08 – Opcode : 00-06 – Timestamp:32bits - Flags : 8bits – Echoed assigned port: 16 bits – Echoed Sync Time :16 bits - Pad/Reserved: 35 bytes – FCS: 32bits GATE ??(OLT-ONU) : GATE ??(OLT-ONU) REPORT ??(ONU-OLT) : REPORT ??(ONU-OLT) ????????? : ????????? LLID????? MPCP ???????? ?????? : ?????? ?OLT?????ONU????,?????????ONU???ONU?????? ?Discovery???ONU?????: ?????????,ONU??Discovery???????OLT?“Discovery Gate”??? ??????????? Discovery,???????PHY ID???????????,?????????? ?discovery???OLT?????: OLT????????Discovery???? ???“discovery Gate”???????????? ???? : ???? ???ONU????????????:RTT(Round Trip Time) ??????,ONU?????ONU?????? OLT??RTT?????ONU????? OLT????????MPCP PDU?????????? ????????: ?EPON???,??ONU???????????:???????????????? MPCP??:EPON????? : MPCP??:EPON????? EPON??????????ONU??OLT?????? ??,????????????????? ??????: OLT???????????timestamp?? ONU????????timestamp?? ONU?????OLT?timestamp???? ???? OLT?????ONU?timestamp???? ??????(OLT-ONU) : ??????(OLT-ONU) ?????? : ?????? 1. OLT?T1???? GATE; 2. ONU?T2?????GATE ,?????????,????? T1; 3. ONU?T3????REPORT, ????????? T4; 4. OLT?T5?????REPORT? ??RTT????????? RTT = T2-T1+T5-T3 = T5-T4 ?? : T3-T2 = T4-T1 RTT??? : RTT??? ???RTT?,OLT???ONU??GATE?,??,??OLT???T1????ONU???,??GATE???ONU?????? T0=T1-RTT? ?? : ?? EPON????????? EPON???? FTTx???? EPON???? : EPON???? ???? ?????? DBA ?????? SLA EPON????:?? : EPON????:?? ??????: ????:???????,???????????; ????:??????? ?????? : ?????? ??? EPON????:?? : EPON????:?? ????? ?????????????(????) : ZXA10 C200 ???splitter ONT D/F?? ONT D/F?? ONT D/F?? ?????????????(????) ???????PON?????: ?????,?????????????? ?????3s ???? ????EPON????????? : ZXA10 C200 ???splitter ONT D/F?? ONT D/F?? ONT D/F?? ????EPON????????? ??????PON?????: ?????,??????????????; ?????3s; ???? EPON???? : EPON???? ???? ?????? DBA ?????? SLA EPON????:DBA : EPON????:DBA ?IEEE802.3ah?????EPON????,????????DBA??,???DBA???????????????????,?????????????,??????????????: MIN : ?????? MAX: ?????? DELAY:?????? CLASS:????? BURST:?????? EPON????:DBA????1 : EPON????:DBA????1 ????? ?????,??DBA???????????????: n-1: ONU??REPORT ??????; n: OLT?????ONU????,???GATE?????; n+1: ????????? ????????,????????????????? EPON????:DBA????2 : EPON????:DBA????2 ????? ???????,????????,OLT??????n?????????????,?????n?,ONU????,???n-1??OLT??????????????DBA???????,????????????????? EPON???? : EPON???? ???? ?????? DBA ?????? SLA EPON????:SLA : EPON????:SLA ???? OLT?????LLID?????? ONU????????????? ??? 802.1Q, DiffServ(TOS)????????LLID?????? EPON????:SLA : EPON????:SLA ONU?????? EPON????:SLA : EPON????:SLA ONU?????? EPON????:SLA : EPON????:SLA ONU?????? ????? ?????? ?????? EPON????:SLA : EPON????:SLA ONU?????? ???? ?????? ?????? ?? : ?? EPON????????? EPON???? FTTx???? ?????? : ?????? ????: FTTB FTTC FTTH ????: ?????CATV?????,???????????SC/PC ???????,??????????2?????,??PON?,??????????? ???? : ???? 1.????? ??FTTH??????????? 2.????? ????????????GB/T 9771«?????????»???? Slide 48: ??: ???????????????????????,???????????,????????????1X32????,??,?????????????????????????? ??: 1.???????????,?????????????? 2.????,????????????? 3.????,???,????????????????? 4.??????????,????32???? 5.?????,?????,???????? ?????????? Slide 49: ODN?? ???? ???? ???? ???? ODN???????????????SC/APC?? ????????????,???????? ??????????????? ???????: ???:???? ???:????,?????3? FTTH???? Slide 50: ???????? ?????(??)????? ???????????????,?????????????? ??????: ??????????????10~12?(????????8?????)? ??????????,?????20?? ????????????“U”???(?20 cm) ???????????? ????: ??????,??????????0.06 dB. ??????,?????????0.08 dB,??????????0.12 dB? ???????????????????,????? ?0.5 dB? ?????? Slide 51: ??OLT???ONU???????????????,??????ODN??????,??????28 dbm? ?????????????1490 nm, ????1310 nm,ODN???????????????? ?????????? Slide 52: ????: ???????????ODN?????,????????????????? ????: ??????,???????,????????????: 1.??OLT????????????????????????? 2. ??????????? 3. ??????????????? 4.??????ONU???????????????????? 5.????????????? ODN????????? Slide 53: Splitter?? ???: ???????,???????ODF,? ?????????(???)? ??????????? ???: ????????Splitter;?????????Splitter(PLC)??? ???????????? Slide 54: ?????? You do not have the permission to view this presentation. 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EPON����ԭ�������ص� lywlm Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 168 Category: Education License: All Rights Reserved Like it (0) Dislike it (0) Added: April 13, 2009 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript EPON????????? : EPON????????? ?? : ?? EPON????????? EPON???? FTTx???? ????????? : ????????? LLID????? MPCP ???????? EPON????????? : EPON????????? ?????? 1310 nm, ?????? 1490nm ???? : ???? ???????: ????P2MP???????????????P2P?????? LLID??????????????,??????????????? ?????: ??????????????LLID,????????????? ????: ?ONU????????????LLID; OLT???????LLID????; ONU?????,????????LLID??????? EPON????? : EPON????? EPON?????? ??802.3?????,??????? ?????????,??????????????????????????????????ONU?,??????IEEE802.3??,?????1Gbps????????????,?????????????? ?????????,??ONU??????,????????????????,?????????? EPON????-??? : EPON????-??? ??802.3??? ?? LLID :???OLT???ONU LLID?? : LLID?? ????????? a.??: MODE=1?? LLID=0x7FFF b.??: MODE=0?LLID!=0x7FFFF ????????? : ????????? LLID????? MPCP ???????? MPCP?? : MPCP?? MPCP(Multi-Point Control Protocol)??????????(P2MP)??????????????????? ???????? ????????? ????,??????ONU???,???? ONU???????????? ??????????????? ????16?ONU ??????????????? MPCP?? : MPCP?? MPCP?OLT?ONU???????????——MPCP?????????????: ?????????????????????ONU?? ??OLT???????????????ONU?????,????PON????????? MPCP???GATE????:??????????? ?????????????ONU,???????ONU?MAC?? ?????????????ONU?????? MPCP??? : MPCP??? Opcode ????????? Timestamp ??????,????????????????? ?????????????,?Mandatory Param ?????????(Optinal Param),????????? ????0?? FCS ????? MPCP???(?) : MPCP???(?) ???(Time Stamp) ??????OLT?ONU??????????????????????? OLT???????RTT???? ????????: ??????4???? ?????????MAC??????MAC???OLT????? ONU??????????,??????????????????? ??????16??32?,?????16ns MPCP??? : MPCP??? ?????MPCP? GATE(OLT??) ?????GATE??ONU??????????????? REPORT(ONU??) ?OLT??ONU???,???ONU?????????????????????? REGISTER_REQ (ONU??) ??????????????? REGISTER (OLT??) ????????????ONU?????????? REGISTER_ACK (ONU??) ????????????????? MPCP??? MPCP?-GATE : MPCP?-GATE – DA: Destination address – SA: Source address – Type : 88-08 – Opcode : 02 – Timestamp:32bits – Number of grants :0-4 – Grant #n start time :32bits – Grant #n length:16bits - AGC Settling Times: 16bits - Pad/Reserved: 11-39 bytes – FCS: 32bits MPCP?-REPORT : MPCP?-REPORT – DA: Destination address – SA: Source address – Type : 88-08 – Opcode : 03 – Timestamp:32bits – Number of queue sets :0-4 – Queue #n Report :16 bits - Pad/Reserved : 0-39 bytes – FCS: 32bits MPCP?-REGISTER_REQ : MPCP?-REGISTER_REQ – DA: Destination address – SA: Source address – Type : 88-08 – Opcode : 00-04 – Timestamp:32bits – Flags :8bits – Pending grants :8 bits - Pad/Reserved: 38 bytes – FCS: 32bits MPCP?-REGISTER : MPCP?-REGISTER – DA: Destination address – SA: Source address – Type : 88-08 – Opcode : 00-05 – Timestamp:32bits - Assigned port: 16bits - Flags: 8bits – AGC Settling time :16bits – CDR Lock Time :16 bits - Echoed pending grants: 8bits - Pad/Reserved: 34 bytes – FCS: 32bits MPCP?-REGISTER_ACK : MPCP?-REGISTER_ACK – DA: Destination address – SA: Source address – Type : 88-08 – Opcode : 00-06 – Timestamp:32bits - Flags : 8bits – Echoed assigned port: 16 bits – Echoed Sync Time :16 bits - Pad/Reserved: 35 bytes – FCS: 32bits GATE ??(OLT-ONU) : GATE ??(OLT-ONU) REPORT ??(ONU-OLT) : REPORT ??(ONU-OLT) ????????? : ????????? LLID????? MPCP ???????? ?????? : ?????? ?OLT?????ONU????,?????????ONU???ONU?????? ?Discovery???ONU?????: ?????????,ONU??Discovery???????OLT?“Discovery Gate”??? ??????????? Discovery,???????PHY ID???????????,?????????? ?discovery???OLT?????: OLT????????Discovery???? ???“discovery Gate”???????????? ???? : ???? ???ONU????????????:RTT(Round Trip Time) ??????,ONU?????ONU?????? OLT??RTT?????ONU????? OLT????????MPCP PDU?????????? ????????: ?EPON???,??ONU???????????:???????????????? MPCP??:EPON????? : MPCP??:EPON????? EPON??????????ONU??OLT?????? ??,????????????????? ??????: OLT???????????timestamp?? ONU????????timestamp?? ONU?????OLT?timestamp???? ???? OLT?????ONU?timestamp???? ??????(OLT-ONU) : ??????(OLT-ONU) ?????? : ?????? 1. OLT?T1???? GATE; 2. ONU?T2?????GATE ,?????????,????? T1; 3. ONU?T3????REPORT, ????????? T4; 4. OLT?T5?????REPORT? ??RTT????????? RTT = T2-T1+T5-T3 = T5-T4 ?? : T3-T2 = T4-T1 RTT??? : RTT??? ???RTT?,OLT???ONU??GATE?,??,??OLT???T1????ONU???,??GATE???ONU?????? T0=T1-RTT? ?? : ?? EPON????????? EPON???? FTTx???? EPON???? : EPON???? ???? ?????? DBA ?????? SLA EPON????:?? : EPON????:?? ??????: ????:???????,???????????; ????:??????? ?????? : ?????? ??? EPON????:?? : EPON????:?? ????? ?????????????(????) : ZXA10 C200 ???splitter ONT D/F?? ONT D/F?? ONT D/F?? ?????????????(????) ???????PON?????: ?????,?????????????? ?????3s ???? ????EPON????????? : ZXA10 C200 ???splitter ONT D/F?? ONT D/F?? ONT D/F?? ????EPON????????? ??????PON?????: ?????,??????????????; ?????3s; ???? EPON???? : EPON???? ???? ?????? DBA ?????? SLA EPON????:DBA : EPON????:DBA ?IEEE802.3ah?????EPON????,????????DBA??,???DBA???????????????????,?????????????,??????????????: MIN : ?????? MAX: ?????? DELAY:?????? CLASS:????? BURST:?????? EPON????:DBA????1 : EPON????:DBA????1 ????? ?????,??DBA???????????????: n-1: ONU??REPORT ??????; n: OLT?????ONU????,???GATE?????; n+1: ????????? ????????,????????????????? EPON????:DBA????2 : EPON????:DBA????2 ????? ???????,????????,OLT??????n?????????????,?????n?,ONU????,???n-1??OLT??????????????DBA???????,????????????????? EPON???? : EPON???? ???? ?????? DBA ?????? SLA EPON????:SLA : EPON????:SLA ???? OLT?????LLID?????? ONU????????????? ??? 802.1Q, DiffServ(TOS)????????LLID?????? EPON????:SLA : EPON????:SLA ONU?????? EPON????:SLA : EPON????:SLA ONU?????? EPON????:SLA : EPON????:SLA ONU?????? ????? ?????? ?????? EPON????:SLA : EPON????:SLA ONU?????? ???? ?????? ?????? ?? : ?? EPON????????? EPON???? FTTx???? ?????? : ?????? ????: FTTB FTTC FTTH ????: ?????CATV?????,???????????SC/PC ???????,??????????2?????,??PON?,??????????? ???? : ???? 1.????? ??FTTH??????????? 2.????? ????????????GB/T 9771«?????????»???? Slide 48: ??: ???????????????????????,???????????,????????????1X32????,??,?????????????????????????? ??: 1.???????????,?????????????? 2.????,????????????? 3.????,???,????????????????? 4.??????????,????32???? 5.?????,?????,???????? ?????????? Slide 49: ODN?? ???? ???? ???? ???? ODN???????????????SC/APC?? ????????????,???????? ??????????????? ???????: ???:???? ???:????,?????3? FTTH???? Slide 50: ???????? ?????(??)????? ???????????????,?????????????? ??????: ??????????????10~12?(????????8?????)? ??????????,?????20?? ????????????“U”???(?20 cm) ???????????? ????: ??????,??????????0.06 dB. ??????,?????????0.08 dB,??????????0.12 dB? ???????????????????,????? ?0.5 dB? ?????? Slide 51: ??OLT???ONU???????????????,??????ODN??????,??????28 dbm? ?????????????1490 nm, ????1310 nm,ODN???????????????? ?????????? Slide 52: ????: ???????????ODN?????,????????????????? ????: ??????,???????,????????????: 1.??OLT????????????????????????? 2. ??????????? 3. ??????????????? 4.??????ONU???????????????????? 5.????????????? ODN????????? Slide 53: Splitter?? ???: ???????,???????ODF,? ?????????(???)? ??????????? ???: ????????Splitter;?????????Splitter(PLC)??? ???????????? Slide 54: ??????