GJXFH, GJXH, ГХХЧЧ: Sida loo doorto Cable-ka FTTH ee saxda ah ee Mashruucaaga

Alaab-qeybiyahaagu wuxuu hadda kuu soo xigtay shan lambar oo kala duwan oo ah nambarada nooca fiilada - GJXFH, GJXH, ГХХЧЧ, GJYXFCH, GJFJU. Waxaad u baahan tahay inaad ka jawaabto hal su'aal ka hor inta PO uusan guurin: Keebaa mashruucani u baahan yahay?

Hagahan waxa loo qoray qofka go'aankaas samaynaya. Waxay ka booddaa dib-u-cusboonaysiinta "waa maxay fiilada dhibicda fiber-ka". (ee ku nool noo Fiber Optic Drop Cable Guide) oo si toos ah u gaadha xulashada heerka model.

Haddii aad ku iibsatid soo-bandhigidda FTTH, dib u iibi fiilooyinka daadinta ISP-yada gobolka, ama ku qeex naqshadda mashruuca, waxaad tan ku dhameyn doontaa ilaa toban daqiiqo gudahood waxaadna la bixi doontaa qaab la difaaci karo.

Waa maxay macnaha dhabta ah ee xarfaha GJXFH

Koodhadhka moodeelka fiilada ee Shiinaha ayaa raacaya YD/T 1258 heerka isgaarsiinta. Markaad barato qaabka, magac kasta oo mustaqbalka ah wuxuu u akhriyaa sida warqad gaar ah:

Warqad	Macno	Waxa ay kuu sheegayso fiilada
G	Isgaarsiinta-isticmaalka fiilada indhaha	Waa fiilada indhaha ee isgaadhsiinta, ma aha naxaas ama awood isku-dhafan
J	Isticmaalka gudaha (horgale ahaan)	Waxaa ugu horrayn loogu talagalay geynta gudaha
Y	Isticmaalka dibadda (horgale ahaan)	Naqshadeynta jawiga bannaanka
X	Nooca qaansada / balanbaalista cross-qaybta	Guriga, muuqaal-sideed u eg
F	Xubinta xoogga (macnaha guud ku tiirsan)	Hoos ka eeg digniinta
C	Is-taageerida Rasuul isku dhafan	Leh bir gudaha ah ama silig FRP ah si uu u haysto taako u gaar ah
H	Galka (daba-gal ahaan)	Calaamadee lakabka jaakadda sare
J (code-dhexe, tusaale. GJFJU)	Aramid / Curiyaha xoogga KFRP	Xoojinta si buuxda oo aan biraha ahayn
U	Aan biro ahayn	Ma jiro bir meel kasta oo ku taal qaybta isgoysyada

Kor ilaa hoos wax u akhriya:

• GJXFH = fiilada gudaha ee nooca qaansada oo leh xubin xoog leh iyo galka LSZH
• GJXH = fiilada gudaha ee nooca qaansada oo leh xubin xoog bir ah iyo gal LSZH (maya "F" magac ahaan ka weyn, jooga heshiisyada cusub)
• ГХХЧЧ = fiilo bannaanka ah oo ah nooca qaansada oo is-taageersan oo bir farriin ah wata
• GJYXFCH = nooca qaansada bannaanka ee fiilo is-taageersan oo leh qaab-dhismeed ku salaysan FRP
• GJFJU = fiilo gudaha ah oo aan bir ahayn oo dhamaystiran oo leh xubno xoog aramid ah

Kelmad taxaddar leh oo ku saabsan magacyada moodeelka

Waa kuwan wax aan hagaha iibka kale kuu sheegi doonin: xarafka "F" ee GJXFH si joogto ah looguma tarjumo dhammaan saldhigga wax soo saarka Shiinaha. Warshadaha qaarkood waxay u isticmaalaan macnaha FRP (aan bir ahayn) xubnaha xoogga. Kuwo kale waxay u adeegsadaan calaamad guud oo "la xoojiyay" oo wali fiilada ku raran silig bir ah gudaha.

Labada noocba waan ku aragnay goobta. Fiilada dhibicda ee lagu calaamadeeyayGJXFH bannaanka ayaa la iman kara a 0.5 mm silig bir fosfateed sida xubnaheeda xoogga. Taasi cillad ma aha - waa magac magac-u-dhigid oo soo jiray sannado badan, gaar ahaan OEM-yada heerka dhexe.

Hubinta xaqiiqada iibsadaha:
Weligaa ha aqbalin nambarka moodeelka fiilada ee dhibicda keligiis. Had iyo jeer xaqiijixoogga walxaha iyoalaab jaakad qoraal ahaan PO ama xaashida xogta. Laba alaab-qeybiyeyaal ayaa ku soo xigan kara "GJXFH" oo waxay kuu soo rari karaan alaabo jir ahaan kala duwan. Xaashida xogtu waa run. Koodhka moodelku waa tilmaan.

Birta, FRP, ama Aramid: Dooro Xubinta Xoogga Kahor Lambarka Modelka

Marka aad ogaato saddexda qoys ee xubnaha xoogga, nambarka moodelku wuxuu ku dhow yahay inuu iskii u doorto. Waa kan waxa iska beddelaya dhammaan saddexda shay:

Hanti	Silig bir ah (fosfateed / galvanized)	FRP (Caaga-Xoojinta Fiber-ka)	Aramid / KFRP
Xoog xajin (caadiga ah)	Ugu sarreeya dhexroor la siiyay	Dhexdhexaad-sare	Sare, u dhow birta miisaan ahaan
Hab-dhaqanka	Biraha wax-qabadka	Dielectric non-conductive	Dielectric non-conductive
Cufnaanta / fibconet	Ugu cuslaa	Iftiin	Ugu fudud
Tusmada qiimaha (qaraabo)	1.0 (gundhig)	~ 1.15-1.30	~1.6–2.2
Daalka laabta	Caag ahaan wuu qallooci karaa haddii si adag loo leexiyo	adkaysi leh, ilo dib	Aad u fiican, isticmaalka fiber ugu badan
Dhaqanka qabow-cimilada	Deggan	Bur-bursan oo eber ka hooseeya haddii uu darajo hoose yahay	Deggan oo baaxad weyn leh
Dabeecadda dabka ee leh jaakada LSZH	Haraaga birta gubashada ka dib	Gubashada nadiifka ah	Gubashada nadiifka ah
Kiis isticmaalka caadiga ah	Guryaha caadiga ah ee FTTH-waa laga gudbay, deganaanshaha toosan, mashaariicda kharashka ku baxaya	Deegaannada gudaha ee aan biraha ahayn, dhismayaal xasaasi ah oo isku dhafan EMI	Takoorka dibadda si buuxda u dielectric, ulaha wiishka, qolalka MRI ee isbitaalka, daabulida amarka gaarka ah

Fiisigiska aad dhab ahaantii u baahan tahay inaad xasuusato

Fiber indhaha ah ayaa xogta u gudbiya iftiin ahaan iyada oo loo marayo xudunta muraayadda. Habkaasi waaasal ahaan ka difaaca faragelinta elektromagnetic - xaqiiqo ah waxaad u soo xigan kartaa macmiil kasta oo ka walaacsan "qawda" khadka ka imanaya matoorada u dhow, Transformers, ama wiishka. Iftiinku ma daneeyo agagaarka EMI.

Laakiin fiilada ku wareegsan faybarku waa sheeko ka duwan.

Haddii fiilada dhibicda ay isticmaasho axubin xoog biraha, birtaasi waa kirishbooy. Hoos waxaa ku dhacay hillaac dhow, dhacdo koronto-sare leh, ama ku-meel-gaar ah oo xooggan oo ku yaal khadka AC ee barbar socda, Walxaha birta ah ee ku dhex jira fiiladaada dhibicda ayaa qaadi karta hadda. Marka labada daraf ee fiiladaasi ay joojiyaan qalabka elektaroonigga ah ee u dhow (ONT guriga dhexdiisa, guddi qaybinta oo ku yaal meel bannaan), hadda la kiciyay wuxuu leeyahay waddo dhulka loo maro - iyada oo loo marayo qalabkaaga.

Tani waa sababta rakibayaasha gobollada hillaaca u nugul, hareeraha wadooyin koronto-sare leh, ama saldhigyada hoose ee u dhow ayaa inta badan sheegfiilooyinka dhibicda aan biraha ahayn (FRP ama KFRP kala duwan). Waxqabadka indhaha isma beddelo. Muuqaalka khatarta ayaa sameeya.

Tilmaamaha Pro ee iibsadayaasha:
Haddii macmiilkaagu ku sugan yahay suunka monsoon ee Koonfur-bari Aasiya, oo weheliya marinka gudbinta tamarta sare ee miyiga, ee saxaraha Bariga Dhexe oo leh boodh-dabaylo badan oo taagan, ama cisbitaal cayiman / substation / Mashruuca MRI, Waydii su'aal keliya oo korka ah: "Miyaa loo baahan yahay ama la door bidaa xadhig aan biraha ahayn?” Mid ka mid ah su'aashaas waxay ku soo koobaysaa shan nooc ilaa laba.

GJXFH — Faras-hawleedka Nooca Qaansada Guduhu

GJXFH waa waxa ugu badan ee soo-bandhigidda FTTH ee la dego inta u dhaxaysa sanduuqa qaybinta dhismaha iyo macaamiisha ONT. Waxaa loogu talagalay xaaladaha gudaha: jawi heer kul ah, waddooyinka la ilaaliyo, xoog jiid dhexdhexaad ah inta lagu jiro rakibidda bilowga ah.

Xaashida xogta 1-fiber ee caadiga ah ee GJXFH (ku salaysan wax-soo-saarka dhabta ah):

Halbeegga	Qiimaha
Tirada fiber-ka	1 (sidoo kale 2 / 4-noocyada asaasiga ah)
Nooca Fiber	G.657.A2 qalooc aan dareen lahayn hal hab
Attenuation @ 1310 nm	≤ 0.4 dB/km
Attenuation @ 1550 nm	≤ 0.3 dB/km
Luminta makro-laabashada @1625 nm, 7.5 mm × 1 leexo	≤ 1.0 dB
Cabbirrada jaakada	3.0 × 2.0 mm (LSZH, madow ama caddaan)
Xubinta xoogga	0.5 mm (Birta ama FRP, Xaqiiji on PO)
Culeyska adkaysiga muddada-dheer	40 N
Culeyska adkaysiga muddada gaaban	80 N
Min. leexo raadiyaha (firfircoon / taagan)	30 mm / 15 mm
Heerkulka shaqada	-40 ku +70 °C
Heerkulka kaydinta	-40 ku +70 °C

Waa maxay sababta G.657.A2 uga muhiimsan tahay sumadda qiimaha

Laba fiilood oo dhibco ah ayaa isku mid u ekaan kara warqadda, ku kala duwan yihiin kaliya $0.02 mitirkiiba, oo weli u samee doorasho aad uga duwan mustaqbalka macaamiishaada.

G.657.A1 wuxuu qabtaa qaloocyada dhexdhexaadka ah laakiin wuxuu si ba'an hoos ugu dhigaa radius ~ 10 mm.G.657.A2 - fiber gudaha qeexidda sare - ayaa haya ugu badnaan 1.0 dB ee luminta makro-laabashada xitaa at a 7.5 mm laaciyo raadiyaha at 1625 nm.

Waa maxay sababta 1625 nm arrin? Sababtoo ah daaqada hirarka dhererka ayaa ah halka ay shabakadu ku ogaanayso ogaanshaha mustaqbalkaXGS-PON 10G casriyeyn calaamadaha nool. ISP-ga soo daabulaya A1 maanta waxa laga yaabaa inay la kulanto fiilada qasabka ah ee qaaliga ah markay kor ugu qaadaan 10G FTTH, sababtoo ah fiber-ka hore kuma hayn karo daacadnimada calaamadaha hoos isku laabma. Cable A2 waa, dhaqan gal, siyaasad caymis oo jaban oo liddi ku ah cusboonaysiinta shabakadda xiga ee hawlwadeenka.

Barta hadalka qaybiyaha:
Marka iibsadaha jumlada ah uu dib ugu riixo qiimahaaga GJXFH sababtoo ah tartame ayaa ka jaban $0.03/m, Weydii darajada fiber ka ee uu isticmaalo fiilada ka jaban. Haddii ay tahay A1, si daacad ah ayaad u odhan kartaa: “Taasi $0.03 Keydsigu wuxuu noqdaa kharash buuxa oo dib-u-xiridda marka ay u guuraan XGS-PON saddex sano gudahood." Iibsadayaasha wax ka iibsada hawl-wadeennada ayaa danaynaya xisaabtaas.

Marka aan la isticmaalin GJXFH

Naqshadaynta gudaha macnaheedu waa isticmaalka gudaha. Ha geynin GJXFH bannaanka tiirka hawada ama meel is-taageeraysa. Jaakada LSZH looma qaabaysan soo-gaadhista UV ee joogtada ah, qaybta khafiifka ah ee iskutallaabtu kama badbaadi doonto culeyska barafka, mana jiro silig Messenger si uu culeyska fiilada u qaado masaafo kasta.

Haddii iibsaduhu ku weydiiyo in noocyada "GJXFH dibadda" ay jiraan, jawaabta runta ah waa maya. Waxa ay u baahan yihiinГХХЧЧ amaGJYXFCH - fiilooyinka dibadda oo leh fariin isku dhafan. Akhriso.

GJXH - Nooca qaanso-gudaha ee lagu xoojiyay birta

GJXH inta badan si isweydaar ah ayaa loo adeegsadaa GJXFH ee buug-gacmeedyada alaab-qeybiyaha, wareerkuna waa dhab. Akhrintayada suuqa, faraqa la taaban karo waa kan: GJXH waxay si joogto ah u rarto xubin xoog siligga birta fosfateed ah iyo qiimayno xajin waxyar ka sarreeya marka loo eego kala duwanaanshaha-calaamadaysan ee FRP.

Xaashida xogta 2-fiber GJXH ee caadiga ah:

Halbeegga	Qiimaha
Tirada fiber-ka	2 (sidoo kale 1 / 4-noocyada asaasiga ah)
Nooca Fiber	G.657.A2 (Xaqiiji A1 vs A2 si loo dalbado)
Attenuation @ 1310 nm	≤ 0.4 dB/km
Cabbirrada jaakada	3.1 × 2.0 mm (LSZH, madow)
Xubinta xoogga	2 × 0.45 mm silig bir fosfateed
Culeyska adkaysiga muddada-dheer	100 N
Culeyska adkaysiga muddada gaaban	200 N
Min. leexo raadiyaha (firfircoon / taagan)	60 mm / 30 mm
Heerkulka shaqada	-20 ku +60 °C

Khaladka ugu badan ee GJXH

Waxaan aragnay farsamayaqaanno GJXH ku jiidaya marinnada 20-mitir, bannaan ee saqafka sare, ama hawada gaaban ee hawada ku jirta. Mid kasta oo kiisaskaas ka mid ah hawlgelinta ayaa shaqeysay maalintii koowaad waxayna soo saartay cabashooyin macaamiisha lix bilood ka dib - jajabyo yaryar oo gudaha fiber ah., attenuation gurguurta, iyo wac adeeg si loogu beddelo orodka.

A 100 N Qiimaynta xajinta muddada-dheer macnaheedu waa xadhiggu wuxuu hayn karaa miisaankiisa iyo xoog jiid dhexdhexaad ahmar la rakibo oo taagan. Macnuhu maaha inaad dhex jiidi karto 15 mitir oo marin ah oo ka soo horjeeda khilaaf. Haddii rakibahaagu u baahan yahay xoog jiidid macno leh, ku qeex fiilada lagu qiimeeyay - badiyaa GJYXCH at 300 N muddo dheer, xitaa u gudub gaaban oo gudaha iyo dibadda ah.

Xaaladda dhabta ah ee adduunka:
Iibsade ku sugan Bariga Afrika ayaa sheegay in uu hoos u dhacay xadhigga ka dib saddex bilood oo uu shaqaynayey. Sababta xididka ah: Rakibiyaha ayaa u isticmaalay fiilada gudaha ee GJXH 40-mitir oo dhex mara marinka kore ee saqafka sababtoo ah gacanta ayay ku jirtay. Hal xilli roobaad gudihiis jaakadda LSZH waxay nuugtay qoyaan ku filan kala goysyada marinnada bannaanka si ay u keento microbending. Hagaajintu waxay ahayd dib-u-shaqayn lala sameeyay GJYXCH - iyo qalab qoraal ah oo ku saabsan PO kasta oo mustaqbalka ah.

GJYXCH — Is-taageeridda Isbadalka Dibadda ee Hawada FTTH

GJYXCH waa faraska shaqada ee bannaanka: loogu talagalay in hawada la geeyo inta u dhaxaysa tiirarka tamarta, loo farsameeyay in uu xajiyo miisaankiisa ka badan ilaa ~80 mitir, oo loo xidhay jaakad si ay uga badbaadaan UV, heerkulka lulida, iyo roob dhexdhexaad ah.

Xaashida xogta 2-fiber GJYXCH ee caadiga ah:

Halbeegga	Qiimaha
Tirada fiber-ka	2 (caado ilaa 12-core)
Nooca Fiber	G.652.D ama G.657.A taxane ah
Attenuation @ 1310 nm	≤ 0.36 dB/km
Attenuation @ 1550 nm	≤ 0.22 dB/km
Cabbirrada jaakada	5.0 × 2.0 mm (LSZH, madow)
Qaab dhismeedka	Fiilo fidsan + Rasuul bir isku dhafan, "Jaantuska-8" qaybta iskutallaabta
Rasuuliyaha birta	1 × 1.0 mm
Xubnaha xoogga birta (dhinaca fiilada)	2 × 0.4 mm bir fosfateed
Culeyska adkaysiga muddada-dheer	300 N
Culeyska adkaysiga muddada gaaban	600 N
dhererka hawada sare	≤ 80 m
Heerkulka shaqada	-20 ku +60 °C

Waa maxay "is-taageeridda" dhab ahaantii macnaheedu waa

Erayga ayaa muhiim ah. Fiilada dhibicda iskeed isu taageerta ayaa sidda miisaankeeda dhintay iyo dabayl iyo (cimilada qabow) culeyska baraf, iyada oo aan loo baahnayn silig gaar ah. Rasuuliyaha isku dhafan ee gudaha GJYXCH waa waxa shaqadaas qabta.

Baaxadaha ilaa ~80 mitir nashqadani waa mid hufan oo jaban. Wixii ka dambeeya 80 mitir - ka fakar isgoysyada jidad dheer, isgoysyada webiga, ama hawada miyiga ayaa u dhaxaysa tiirarka aad u kala fog - joomatari rasuulku hadda ma hayo saggii iyo xiisaddii loo baahnaa.. Waa meesha ADSS fiilada la wareegaysa.

Laba si xun u isticmaalka caadiga ah

Si toos ah ha u aasin GJYXCH. Jaakada looguma talagalin xiriirka ciidda, cadaadiska qoyaanka, ama rarka jiirka. Si toos ah loo aaso, Qeex fiilooyinka dibadda ee gaashaaman sida GYTA53.

Ha dhaafin inta ugu badan. Waxaan aragnay rakibayaal ka laadlaadsan GJYXCH 100-mitir isgoysyada waddooyinka "hal mar" sababtoo ah ADSS gacanta kuma aysan jirin. Hal xilli duufaan gudaheed, Cabbiraadda fiilada ayaa dhaaftay xadka u hoggaansanaanta iyo rarka tiirarka waxay noqotay khatar badbaado leh. Ku dhig naqshadda taako, ma aha kalandarka.

Markaad Si Buuxda Ugu Baahan Tahay Biro Aan Ahayn: Aramid (KFRP) iyo GJYXFCH

Laba xaaladood ayaa ku riixaya macaamiisha inay si buuxda u galaan fiilooyinka aan biraha lahayn:

Dhacdada koowaad - EMI firfircoon ama khatarta hillaaca. Substations, marinada gudbinta korantada sare, Mashaariicda isku xidhka tamarta isgaadhsiinta, iyo (gobolada qaar) aagagga xeebaha leh jawiga hawada sare. Deegaannadan qeexitaanka macmiilku wuxuu inta badan ku amraa fiilooyinka dielectric si loo baabi'iyo waddo kasta oo hadda jirta..

Dhacdada labaad - amar sharciyeed ama qandaraas. Isbitaalada u dhow qolalka MRI, madaarka qaar / ciidan / goobaha sugan ee la geeyo, iyo qaab-dhismeedka telco-ga Yurub ee gaarka ah oo u baahan fiilo koronto-dhal ah.

Kiisaskaas:

• GJYXFCH - nooca is-taageerida bannaanka oo leh qaab-dhismeedka FRP-ku-saleysan halkii uu ka ahaan lahaa farriin bir ah
• GJFJU - Nooca qaansada gudaha ee si buuxda aan bir ahayn oo leh aramid (KFRP) xubnaha xoogga

Labada noocba waxay ku diyaarsan yihiin nidaam halkii ay ka ahaan lahaayeen kaydka caadiga ah. Waqtiyada sunta rasaasta waxay socdaan 1-3 toddobaad in ka badan inta u dhiganta fiilada birta, iyo tusmada qiimaha waxay ku fadhidaa qiyaastii 1.6-2.2× nooca macdan ah ee u dhigma. Go'aanka iibsigu waa inuu noqdaa"Mashruucan dhab ahaantii ma mid ka mid ah labadaas xaaladood,” maaha"ma waxaan rabnaa kuwa aan biraha ahayn si ay u badbaadaan." Sifeynta xad dhaafka ah waa darawalka qiimaha dhabta ah.

Geedka Go'aanka Cable-ka - 4 Su'aalo, 1 Qaabka

Go'aanku wuxuu hoos u dhigayaa afar su'aalood oo xiriir ah. Waydii siday u kala horreeyaan oo qaabkii saxda ahaa wuu dhacay:

1. Diyaarinta ma gudaha mise bannaanka?
   Gudaha → GJXFH ama GJXH · Dibadda → GJYXCH ama GJYXFCH
2. Dibadda: waa fiilada lagu rakibay hawada dhexdooda tiirarka, iyada oo aan lahayn silig Messenger gaar ah?
   Haa → kala duwanaansho is-taageeray (GJYXCH ama GJYXFCH) Maya → fiilada gaashaaman ee dibadda sida GYTA53
3. Miyuu si buuxda loo baahan yahay xadhig aan bir ahayn (Aagagga EMI, hillaac u nugul, isbitaalka, dielectric qandaraas ku waajib ah)?
   Yes → FRP or KFRP version (GJXFH-FRP indoor, GJYXFCH outdoor, GJFJU for special deployments) · No → steel-reinforced version is fine
4. Is cost-per-meter more important than a premium feature set?
   Yes → steel wire strength member · No → FRP or KFRP for the longer-service-life scenarios above

Afar su'aalood. Five models. One picked cable.

Before You Sign the PO: A Drop Cable Buying Checklist

Print this section, share it with your procurement or engineering team, and use it every time you request a quote or receive a shipment.

Specification checklist (put these on the PO in writing)

• Nambarka modelka iyo xoogga walxaha (never trust the model alone)
• Tirada fiber-ka (1 / 2 / 4 / caado)
• Fiber grade — insist on G.657.A2 for any FTTH deployment that may be upgraded to XGS-PON
• Qalabka jaakada (LSZH for indoor and most modern outdoor; PE only where LSZH is not required)
• Midabka jaakada (madow waa caadiga dibadda; caddaan ama cawl ayaa laga yaabaa in la codsado muuqaalka gudaha)
• Dhererka gariiradda (caadiga ah 2-3 km halkii durbaan; Xaqiiji ka hor amarrada waaweyn)
• Habka calaamadaynta daabac (calaamadaha mitirka ee isku xiga, code dufcad, iyo calaamad kasta oo macmiil ah)
• Shahaadooyinka looga baahan yahay dalka loo socdo (CPR ee codsiyada dhismaha EU, ANATEL ee Brazil, UL/ETL oo loogu talagalay kiciyaasha gudaha ee Waqooyiga Ameerika)

Liiska hubinta tayada (kuwan ku samee rasiidka)

• Reel kasta waa in uu la soo raro raadraaca OTDR warshadeed iyo warbixinta hoos u dhigista oo wadata nambarka dufcada
• Muuqaal ahaan u baadh galka galka si joogto ah, daabacaadda dhejisan, iyo midab kasta oo aan ku habboonayn
• Naqshad-tusaale qayb 1-mitir ah: galka ka bixi, Xaqiiji xubinta xoogga waxay la mid tahay PO spec
• Laabi-tijaabi muunad xaga radius qalooca taagan ee la qiimeeyay oo dib u cabbir khasaaraha OTDR (a 0.1 dB ama boodi ka weyn waxay dammaanad qaadaysaa dib u eegista dufcada)

Calan cas oo kicinaya diidmo ama dib u gorgortan

• Nambarka moodeelka iyo dhismaha jireed kuma habboona PO
• Galka LSZH wuxuu soo daayaa ur balaastig ah oo muuqda marka muunad lagu tijaabiyo kulayl (waxay tilmaamaysaa iskudar aan waafaqsanayn)
• Ma jiraan xog tijaabo ah oo heerka dufcadda ah oo la keenay shixnadda
• Xubinta xoogga birta waxay muujinaysaa oksaydhka hore ka hor inta aan la rakibin
• Calaamadaynta daabacaadda waa la jajabiyey ama la waayayaa waqtiyo kala duwan - waxay ku guuldareysan doontaa tijaabada aqbalaadda dhinaca macaamiisha

Xariiqda hoose - Isbarbardhig Modelka iyo Dirista

Iibsashada fiilada dhibicda ceelka waa ficil tarjumid. Macmiilku wuxuu yidhi "waxaan u baahanahay FTTH-mayl u dambeeya," oo runtii macnaheedu yahay" waxaan u baahanahay qaabka gaarka ah ee ku habboon deegaanka geynta, profile stress, Khatarta EMI, iyo meertada nolosha.” Geedka go'aanka ee kore wuxuu u rogaa turjumaaddaas afar su'aalood.

Khaladka kaliya ee ugu caansan ee aan ku aragno gobolka oo dhan maaha lacag-bixin dheeraad ah - waa mid aan caddayn. Fiilada gudaha ee GJXH ee la soo dhex maro marinka saqafka sare ah qiimihiisu waa ka yar yahay qaansheegta oo kharash badan ayuu ku galaa gawaadhida uu kiciyo. U fiirso tusaalaha waxa xadhiggu dhab ahaantii la kulmi doono inta uu nool yahay adeeggiisa, ma aha waxa dareemaya ugu jaban maalinta PO.

Haddii aad jeclaan lahayd muuqaal dhinac-dhinac ah oo daabacan oo daboolaya dhammaan shanta nooc ee kor lagu soo hadal qaaday - waxaad ka soo dejisan kartaa annaga FTTH Drop Cable xarunta khayraadka. Waxaan cusbooneysiineynaa xaashida saddexdii biloodba mar.

Su'aalaha Inta Badan La Isweydiiyo ee Ku Saabsan Xulashada Qaabka Cable-ka FTTH

Waa maxay faraqa u dhexeeya GJXFH iyo GJXH?

GJXFH iyo GJXH labaduba waa fiilooyinka hoos u dhaca nooca qaansada ee gudaha. In Shiinaha adag YD/T 1258 heshiis magacaabid, xarafka F ee GJXFH wuxuu muujinayaa xubin xoog leh oo aan bir ahayn FRP, halka GJXH uu tilmaamayo macdan (sida caadiga ah birta fosfateed) xubin xoog. Ficil ahaan, Magacaabista warshadu way kala duwan tahay - alaab-qeybiyeyaasha qaarkood waxay raraan fiilada lagu calaamadeeyay GJXFH oo leh silig bir ah oo gudaha ah. Had iyo jeer xaqiiji alaabta xubinta xoogga leh ee ku jirta dalabkaaga iibsiga, ma aha oo kaliya code model.

Muxuu u taagan yahay GJXFH?

Xaraf kastaa waxa uu sifo jidheed hoos imanayaa YD/T 1258.G waxay u taagan tahay isgaadhsiinta-isticmaalka xadhigga indhaha, J waxay calaamad u tahay sida fiilada gudaha, X tilmaamaya nooca qaansada (balanbaalis) iskutallaabta, F tilmaamaya qaybta xoogga xubinta, iyoH tilmaamaya jaakada sare. Wada akhri, GJXFH macneheedu waxa weeye xadhig gudaha ah oo nooca qaansada ah (sida caadiga ah LSZH).

Ma isticmaali karaa fiilada gudaha sida GJXFH bannaanka?

Maya. Xadhkaha hoos u dhaca gudaha waxay isticmaalaan jaakadaha LSZH ee aan UV-dejin si ay iftiinka qoraxda ee joogtada ah u soo baxaan, oo qaybtooda iskutallaabtu looma talagelin inay ka badbaadaan culayska barafka, cadaadiska dabaysha, ama qoyaan dibadda ah. Meelaynta hawada FTTH ee u dhaxaysa tiirarka, isticmaal GJYXCH (fariin bir ah) ama GJYXFCH (Rasuul aan biraha ahayn). Si loo isticmaalo tubbada ama duugista tooska ah, cadee fiilada gaashaaman ee dibadda sida GYTA53.

FRP ama fiilada birta miyuu u fiican yahay xubinta xoogga fiilada ee dhibicda?

Midkoodna ma fiicna guud ahaan - doorashada saxda ah waxay ku xiran tahay hawlgelinta. Xadhkaha birta ahi waxa ay keentaa xoog adkaysi sare ah halkii dollar oo weli ah ikhtiyaarka ugu kharash badan ee guryaha caadiga ah ee gudaha FTTH. FRP (balaastiig aan fibre-xoojin lahayn) waa xulashada saxda ah ee deegaan leh EMI firfircoon, khatarta hillaaca, ama u dhawaanshaha xadhkaha korantada sare, halkaas oo dariiqa birta ah ee dhulka ku jira fiilada dhexdeeda ay khatar ku abuuri karto ONT-da ku xiran ama qalabka qaybinta.

Ma fiilooyinka dhibcaha indhaha ee ay saameeyeen xadhkaha korantada sare ee u dhow ama danabka?

Fiber indhaha ee gudaha fiilada ayaa asal ahaan ka difaaca faragelinta korantada - iftiinka kama jawaabo EMI. Si kastaba ha ahaatee, haddii fiilada loo isticmaalo axubin xoog biraha, Birtaasi waxay soo qaadi kartaa hadda ka imanaysa hillaaca dhow ama ku-meel-gaadhka AC, iyo in hadda uu leeyahay waddo loo maro fiilada ku dhammaata qalabkaaga joojinta. Ku darida meelaha u dhow saldhigyada, marinada gudbinta, ama gobollada hillaaca u nugul, cadee mid aan bir ahayn oo dhamaystiran (FRP ama KFRP) kala duwanaansho.

Waa maxay fiilada FTTH ee iskeed isu taagta?

Fiilada dhibicda iskeed isu taageerta waxay leedahay curiye isku dhafan - badiyaa silig bir ah oo ku yaal GJYXCH ama ul FRP ee GJYXFCH - kaas oo qaadaya culeyska fiilada ee dhererka hawada hawada u dhexeysa laba dhibcood taageerada, sida caadiga ah ulaha utility. Tani waxay meesha ka saaraysaa baahida loo qabo silig gooni ah oo lagu dhufto, fududaynta rakibidda hawada. Baaxadda ugu badan ee caadiga ah waa ~80 mitir; orodka dheer waa inuu isticmaalo fiilada ADSS.

Waa maxay dhererka hawada ugu badan ee fiilada dhibicda ee GJYXCH?

Qiyaastii 80 mitir u dhexeeya dhibcaha taageerada, xaaladaha caadiga ah. Ka baxsan masaafadaas, Cabbiraadda fiilada ayaa ka badan xadka u hoggaansanaanta dabaysha iyo culeyska barafka, iyo xiisadda farriinta waxay wax u dhimi kartaa qalabka tiirka. Inta u dhaxaysa 80 iyo 200+ mitir, ku dheji ADSS cable, kaas oo loo farsameeyay socodka hawada dheer.

Ma aasi karaa fiilada GJYXCH si toos ah dhulka hoostiisa?

Maya. GJYXCH waa jaakad loogu talagalay soo-gaadhista hawada UV iyo cimilada, ma aha xidhiidhka ciidda, cadaadiska qoyaanka dhulka, ama ilaalinta jiirka. Si toos ah loo aaso, isticmaal fiilada gaashaaman sida GYTA53 oo wata gaashaanka birta ah iyo gadhka habboon.

Intee in le'eg ayay tahay xargaha dhibcaha FTTH ee gambaleelkiiba?

Dhererka gariiradda caadiga ah waa caadi 2 ku 3 kiiloomitir ee gudaha GJXFH / GJXH iyo dibadda GJYXCH. Dhererka giraangiraha gaarka ah iyo durbaannada waaweyn ayaa loo soo saari karaa si nidaamsan - xaqiiji labadaba bixinta caadiga ah iyo shuruud kasta oo dhererka gaarka ah ee loo baahan yahay alaab-qeybiyahaaga ka hor intaadan dhammaystirin PO.

Waa maxay xoogga jilicsanaanta ee fiilada dhibicda dhab ahaantii ugu baahan tahay mashruucayga?

Waxay kuxirantahay sida loo rakibo, kuma qorna magaca fiilada. Gelida gidaarka ama gaaban ee gudaha waxay u baahan tahay 40-100 N xiisad muddada-dheer ah (GJXFH ama GJXH). Jiiditaanka marinka, bannaan saqafka, and short aerial transitions require higher rated cables — even for short outdoor spans, spec GJYXCH at 300 N muddo dheer. Under-speccing the tensile rating is the single most common cause of latent micro-fracture failures we see in the field.

How do I verify drop cable quality before accepting delivery?

Request a factory OTDR trace and attenuation report for every reel, keyed to the batch number. Visually inspect the sheath for consistent color, embedded print marking, and no material inconsistency. Random-sample a short section from each shipment, galka ka bixi, and confirm that the strength member material physically matches your PO specification. Any mismatch between the PO and the actual construction should trigger an immediate quality dialogue with the supplier.

What fiber grade should I specify for future-proof FTTH deployments?

SpecifyG.657.A2 ama ka sareeya. Jiilka hore ee G.657.A1 fiber wuxuu muujinayaa khasaare weyn oo foorarsi ah ee radiyada qallooca ee hoose 10 mm, gaar ahaan at 1625 nm - daaqada hirarka loo isticmaalo ballaarinta shabakadda XGS-PON 10G FTTH. Gelitaanka A1 maanta waxa laga yaabaa inay ku qasbi hawl wadeenka inuu galo shabakad qaali ah dib-u-xable marka ay casriyeeyaan. A2 fiber ayaa qabta ≤ 1.0 dB khasaaraha at a 7.5 mm laaciyo raadiyaha at 1625 nm, si wax ku ool ah u daboolaya wareegtada cusboonaysiinta ee soo socota ee hawlwadeenka oo ah qiime jaban.