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GEPON System
- Thread starter jaksi53
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1) design srchitectures dekak thiyanwa macng....Centralized and distrubution type.....centralised eka gdk use karanne condominium type buidling wlata....distrubution ekath waradhak naa....but ithn theenee hatiyata thamai anee.....distribution eka ....OSP design walata hugakma use karanaw...
PON system type 2 thiyanwa...GPON and GEPON..GEPON kiyanawa eka EPON kylath kynawa....dan ube concern eke GEPON..ne
GEPON kiyane Gigabit passive optical network...eekeiyanne OSP network eke kisima active device ekak use karanne naha like...reapeter or amp.
GEPON eke split ratio eka maximum 32...ee kiyanne 1:32 split ratio eka thamai use karanne...maximum...ethakota uba network eka design karanne oni....1 fiber core ekain end eke ONT maximum 32 use karane oni....eeta adu unath kamak na...but ithn maximum use karanawa normal design walata...
eelagata....GEPON eke maximum 1 core bandwith eka 1.25 Gbps thamai...ethakota enna puluwan minimum bandwidth eka 1.25/32 wenawa hari....me bandwidth eka symetrical...GPON wage neweii....but meka core ekakata 10Gbps wenawakn upgrade karnane puluwan.....eekata OLT eka support karanne oni...eka wenama kathawak.....eka dan methnata oni naah...
GEPON OLT eka fully ethernet frames withari support karanne...eenissa parana technologies support karanne baha...eee kiwe...ape ATM switch ekak thiyanwa nan eka meekata cuple karane baha.....EPON deply karanne oni nan...exsisting network eke thiyaana switches okkoma MPLS wath support karanne wenawa....lankawe samahara RSU eeham ehema naha ne ithn..
Anith eka ONT eke rJ11 port ekak enne naah..enne ethernet port ekak witharii....ethakota ape normal phone dene naha...ip phone thama denne wenne....
oya wisthara tika maadaiii nee....system design ekak machng mehema kiyanne baha.....koii wage area ekak da building ekak da kyla balala thamai design karanne wenne....but...basic eka thamii.....no more than 32 splits per core.....hari ne.....anith eka....ganne ONT eka koi clazzz ONT ekak da kyla balanne oni...eekiyanne claz B, B+, C kyla type thiyanwa....mewa ekinekata sensitivity wenas.....ethakota.....dannewane uba optical moule ekak karala athi ne studies walata.....ethakota..eka core ekak core dekakata bedena kota...0.3db loss ekak enawa...ethkota single mode fiber attenuation eka ...0.01db per Km....thawa....splicing loss eka 0.1 iyamuko....ooka 0 ta splice karana katiyath inawa....hik hik ...eeth ithn 0 kiyala ganne eka hari naha nee. neee....hik hik...
ethakota link budget ekak hadala.....architecture eke stage by stage walata ONT eka wenawan...estimated optical loss ekak calculate karanne onii.....eeka ONT eke sensityvity ekata wada adu wenne onii....wadi unoth ehema....ONT eka picheeeiii....power wadi handa.....theruna ne case eka....me calculation ekata select karana optical transitter power eka thibtoth hodaii..but ekka hoyana eka lesi naha....hik hik hik anthimeta.....karanne thiyenn network eka hadala....OLD ekata connect karama.....ont eka wenuwata....optical meter eka gahala balalla loss eka chk karana eka....
thawa ekak thiyawna...
GPON eke netwok walata...SC-APC kiyna connectors thamai recomend karanne....eekata hethuwa kiyanne giyoth thawa type karanne wenawa...eeka wen awelawaka kiyannan.......but EPON walata....SC-UPC kyana type eka hodaii....samaharu ...gaana adu handa SC-PC dala gahanwa....eewa ithn designer ta baaraii......quality da nathnan profit da kyla......oowa thamai basic...mage mathaketa enaeewa kiweee....
2) decives macng....GPON nan Alcatel thamai supirima bhande....but gaana wadiii....lankawe ithn chinese jarawal ne....ewata hoda...ZTE HUWAWEI tamai....but ube case eke GEPON ne...eeka gdk thiyenne asian contries walin JAPAN witharaii danne widiyata....ee nisa NEC system thamai popular...but HUWAWEI ZTE OLT thiyanwa GEPON walata...model nan mathaka naha....thawa lankawe malasian company ekak thiyanwa....3OPP kyala....eyala gawath OLT thiyanwa....but GEPON ewa thiyanwada kyanne mathaka naha....
3) meeka uthare...man hithanne ubata 1) anwer eka kiywwama thereii.....OKKKneee ehenann......ah ekak amathaka una....UPC connector loss eka 0.1 db ....design eke loss eka thamai wada important wenne....area eke hatiyata....minimum loss enne deign karanawa nan thamai hoda.....eekata...hodama wade...connectors aduwen use karanne ooniii....okkk neee.......thawa ithn OSP network eke closure type anann manan gdk thiyanwa.....oni unoth ahapan...OKK....
HAri ehenan....good night kiwa.......
ah podi prashnayak thiyanwa.....kamathi nan kiyahan ube kawda kinda manda kyla.....hik hik hik.....PM karath kamak na....eeta wada mokuth ahanne naaha...hik hk....
Ubanam diyyek newei dewalayak machan.
mama 3M contact karala passive part eka gana details gaththa. un thamai SLT and Dialog dekatama passive network eka provide karanne. un kiyapu widiyatanam single core eka 1:64 ratio ekata split karanna puluwan kiwwa.
anith scene eka thamai api PLANET products(Taiwan Company ekak) wala distributorsla, api ONU eka planet daanna plan kale. anith scene eka thamai OLT eka api service provide gen ganna oneda? nathnam apita 3rd party ekain ganna puluwanda? (eg: Planet product ekak kiyala hithamuko)mata oya scene eka tikak pahadili madi. mokada mama ahala tyenawa service provider genma OLT eka ganna one kiyala.
machan mata poddak explain karala denawada accurate loss caluculation ekak karana widiya. example ekak ekka tyenawanam wada hodai.
danata mechchcarai ahanne uben, system eka design karaddi thawa prashna awoth mama ayeth kiyannam.
bohoma pin.
mama 3M contact karala passive part eka gana details gaththa. un thamai SLT and Dialog dekatama passive network eka provide karanne. un kiyapu widiyatanam single core eka 1:64 ratio ekata split karanna puluwan kiwwa.
anith scene eka thamai api PLANET products(Taiwan Company ekak) wala distributorsla, api ONU eka planet daanna plan kale. anith scene eka thamai OLT eka api service provide gen ganna oneda? nathnam apita 3rd party ekain ganna puluwanda? (eg: Planet product ekak kiyala hithamuko)mata oya scene eka tikak pahadili madi. mokada mama ahala tyenawa service provider genma OLT eka ganna one kiyala.
machan mata poddak explain karala denawada accurate loss caluculation ekak karana widiya. example ekak ekka tyenawanam wada hodai.
danata mechchcarai ahanne uben, system eka design karaddi thawa prashna awoth mama ayeth kiyannam.
bohoma pin.
1) design srchitectures dekak thiyanwa macng....Centralized and distrubution type.....centralised eka gdk use karanne condominium type buidling wlata....distrubution ekath waradhak naa....but ithn theenee hatiyata thamai anee.....distribution eka ....OSP design walata hugakma use karanaw...
PON system type 2 thiyanwa...GPON and GEPON..GEPON kiyanawa eka EPON kylath kynawa....dan ube concern eke GEPON..ne
GEPON kiyane Gigabit passive optical network...eekeiyanne OSP network eke kisima active device ekak use karanne naha like...reapeter or amp.
GEPON eke split ratio eka maximum 32...ee kiyanne 1:32 split ratio eka thamai use karanne...maximum...ethakota uba network eka design karanne oni....1 fiber core ekain end eke ONT maximum 32 use karane oni....eeta adu unath kamak na...but ithn maximum use karanawa normal design walata...
eelagata....GEPON eke maximum 1 core bandwith eka 1.25 Gbps thamai...ethakota enna puluwan minimum bandwidth eka 1.25/32 wenawa hari....me bandwidth eka symetrical...GPON wage neweii....but meka core ekakata 10Gbps wenawakn upgrade karnane puluwan.....eekata OLT eka support karanne oni...eka wenama kathawak.....eka dan methnata oni naah...
GEPON OLT eka fully ethernet frames withari support karanne...eenissa parana technologies support karanne baha...eee kiwe...ape ATM switch ekak thiyanwa nan eka meekata cuple karane baha.....EPON deply karanne oni nan...exsisting network eke thiyaana switches okkoma MPLS wath support karanne wenawa....lankawe samahara RSU eeham ehema naha ne ithn..
Anith eka ONT eke rJ11 port ekak enne naah..enne ethernet port ekak witharii....ethakota ape normal phone dene naha...ip phone thama denne wenne....
oya wisthara tika maadaiii nee....system design ekak machng mehema kiyanne baha.....koii wage area ekak da building ekak da kyla balala thamai design karanne wenne....but...basic eka thamii.....no more than 32 splits per core.....hari ne.....anith eka....ganne ONT eka koi clazzz ONT ekak da kyla balanne oni...eekiyanne claz B, B+, C kyla type thiyanwa....mewa ekinekata sensitivity wenas.....ethakota.....dannewane uba optical moule ekak karala athi ne studies walata.....ethakota..eka core ekak core dekakata bedena kota...0.3db loss ekak enawa...ethkota single mode fiber attenuation eka ...0.01db per Km....thawa....splicing loss eka 0.1 iyamuko....ooka 0 ta splice karana katiyath inawa....hik hik ...eeth ithn 0 kiyala ganne eka hari naha nee. neee....hik hik...
ethakota link budget ekak hadala.....architecture eke stage by stage walata ONT eka wenawan...estimated optical loss ekak calculate karanne onii.....eeka ONT eke sensityvity ekata wada adu wenne onii....wadi unoth ehema....ONT eka picheeeiii....power wadi handa.....theruna ne case eka....me calculation ekata select karana optical transitter power eka thibtoth hodaii..but ekka hoyana eka lesi naha....hik hik hik anthimeta.....karanne thiyenn network eka hadala....OLD ekata connect karama.....ont eka wenuwata....optical meter eka gahala balalla loss eka chk karana eka....
thawa ekak thiyawna...
GPON eke netwok walata...SC-APC kiyna connectors thamai recomend karanne....eekata hethuwa kiyanne giyoth thawa type karanne wenawa...eeka wen awelawaka kiyannan.......but EPON walata....SC-UPC kyana type eka hodaii....samaharu ...gaana adu handa SC-PC dala gahanwa....eewa ithn designer ta baaraii......quality da nathnan profit da kyla......oowa thamai basic...mage mathaketa enaeewa kiweee....
2) decives macng....GPON nan Alcatel thamai supirima bhande....but gaana wadiii....lankawe ithn chinese jarawal ne....ewata hoda...ZTE HUWAWEI tamai....but ube case eke GEPON ne...eeka gdk thiyenne asian contries walin JAPAN witharaii danne widiyata....ee nisa NEC system thamai popular...but HUWAWEI ZTE OLT thiyanwa GEPON walata...model nan mathaka naha....thawa lankawe malasian company ekak thiyanwa....3OPP kyala....eyala gawath OLT thiyanwa....but GEPON ewa thiyanwada kyanne mathaka naha....
3) meeka uthare...man hithanne ubata 1) anwer eka kiywwama thereii.....OKKKneee ehenann......ah ekak amathaka una....UPC connector loss eka 0.1 db ....design eke loss eka thamai wada important wenne....area eke hatiyata....minimum loss enne deign karanawa nan thamai hoda.....eekata...hodama wade...connectors aduwen use karanne ooniii....okkk neee.......thawa ithn OSP network eke closure type anann manan gdk thiyanwa.....oni unoth ahapan...OKK....
HAri ehenan....good night kiwa.......
ah podi prashnayak thiyanwa.....kamathi nan kiyahan ube kawda kinda manda kyla.....hik hik hik.....PM karath kamak na....eeta wada mokuth ahanne naaha...hik hk....
hoda explanation eka. igenagatthu ewa ehen mehen mathak una. machan ube job role eka mokadda
1)
hari case eka mekaii....kalin karapu wisthare ekak kiyanne amathaka unane...lankawe use kare GPON eke ratio eka 1:64.....3M katiya GEPON kyla ekak ahala thiyanwada danne naha....hik hik hik......ee ekak
anith eka.....aluth ma technology eka yatathe...GPON 1:128 wenakan da....GEPON 1:64 wenakan da use karnane puluwan......eeth OLT eka maara ganan....eenisa lankawata GEPON awath ....64 ekak dei da kiyanne nan man danne naha......
anith case eka....lankawe thiyenne GPON kalin kiwa wage....uba GEPON danne ei kiyanne man danne naha.....
mokada core fiber eka supply karanne SLT eka eyalage OLT eken hari ...MSAN eken hari passe apu MSAN walata OLT kard support karanaw amacng.......ithn un OLT ganewata wada...MSAN ekata card gahapu eka thamai kare man hithanne...OLT athi nathuwa neweii....initial level eke oka wenne oni karee......
anith case eka.....hugak welawata...passive part eka design karana eka thamai network designer ge job eka.....network ekata oni OSP core gana keeyada kyla balala.....ISP ta kiwama.....uuu kohen hari cable ekak adala dei ube MDF ekata....uba OLT eka design karnane yanne oni naha......
Habi ithn uba danne yanne GEPON system ekak nan....Ubata OLT ekak kohema ekak da kyla specyfy karanne wenawa.....mokada....GEPON damoth ...ubata core ekak ganne wenne ethnert mtro ring eken..mokada metro ethernet ring eke witharaii....ethnet frames use karanne.......mata therena widiyata.....colombo awata...nan thiyanwa.....anith than wala kiyanne danne naha....
ethakota ube preshne OLT eke service provoder gen ganne eka ne....eka ahema naha....eyagen fiber core eka gathama athi....backbone core ekak....
ex....ube ONT 32 thiyanwa nan core 1 oni...cler ne....un ithn 1 core cable ekak adala denne naha....core 32 ekak adala....1 core ekak splice karala deiii....OKKK nee....
2)
meeka puthe wisthara karana eka nan lesi naha....mmm...example ekak widiyata gathoth....MDU disin ekak kiyala hithamu.....ethakota architecture eka uba me widiyata breakdown karaganne oni...
OSP to MDF loss
MDF to 1st splitting level
1spliting level to 2nd spliting level
2nd level to Rosette box
Rosette box to ONT
clear da manda......eekka bun oy awidiyatama thiyenne oni naha.....nikan hithaman ko.....ubata X sita Y dakawa loss eka oni kyla....ethakota uba eka kali walata kada gannewa....ei kada gannee...?? ejtkaota...ee ee point eke loss eka keeyada kyla clear ne.....OKK
ethakota..api
x-x1 ta x1-x2 ta...x2-x3 ta oy awidiyata loss eka kali kali kada gannawa....okkoma ekathi karama....x to y loss eka enawa....
meka thawa clear wenne man photo ekak ewannan....ude pdk busy wagee.....raa wela dannan.....
monawa hari thiboth ahapan.....3M ekata kiyapan man kiwa kyla boru kiyanne epa kyla.....hik hik hik...3M eke inawa pasidu kyla ekek..sales engineer kenek .dan manager da daneth naha......tikak mahatha...dial ekak...uta ekak gahapan...man kiwe kiyapan....hik hik hik....
hoda explanation eka. igenagatthu ewa ehen mehen mathak una. machan ube job role eka mokadda
eeeee.....
