GJXFH, GJXH, ГХХЧ: Yadda ake Zaɓan Kebul ɗin Drop na FTTH Dama don Ayyukanku

Mai samar da ku kawai ya nakalto muku lambobin ƙirar kebul daban-daban guda biyar - GJXFH, GJXH, ГХХЧ, GJYXFCH, GJFJU. Kuna buƙatar amsa tambaya ɗaya kafin PO ya motsa: wanne ne ainihin wannan aikin yake bukata?

An rubuta wannan jagorar ga mai yin wannan shawarar. Ya tsallake “abin da kebul na digo na fiber” refresher (wanda ke zaune a cikin mu Fiber Optic Drop Cable Guide) kuma ya kai tsaye zuwa zaɓin matakin samfurin.

Idan ka saya don shirin FTTH, sake siyar da kebul na digo zuwa ISPs na yanki, ko saka su cikin ƙirar aikin, za ku gama wannan a cikin kusan mintuna goma kuma ku fita tare da zaɓin ƙira mai karewa.

Abin da Haruffa a cikin GJXFH A Haƙiƙa suke nufi

Lambobin ƙirar ƙirar kebul na China suna bin waɗannan YD/T 1258 mizanin sadarwa. Da zarar kun koyi tsarin, kowane sunan samfurin nan gaba yana karantawa kamar takardar ƙayyadaddun bayanai:

Wasika	Ma'ana	Abin da yake gaya muku game da kebul
G	Sadarwa-amfani da kebul na gani	Kebul na gani na telecom ne, ba tagulla ko wutar lantarki ba
J	Amfani na cikin gida (a matsayin prefix)	An tsara shi da farko don turawa cikin gida
Y	Amfani na waje (a matsayin prefix)	An tsara don yanayin waje
X	Nau'in baka / malam buɗe ido giciye-sashe	Gidan kwana, profile-takwai-kamar profile
F	Memba mai ƙarfi (mahallin dogara)	Dubi bayanin kula a ƙasa
C	Taimakon kai tare da hadedde manzo	Yana da ƙarfe na ciki ko waya FRP don riƙe tazarar ta
H	Gwada (a matsayin kari)	Alamar Layer jaket na waje
J (tsakiyar code, misali. GJFJU)	Aramid / KFRP ƙarfi kashi	Cikakkar ƙarfafawa mara ƙarfe
U	Ba karfe ba	Babu karfe ko'ina a cikin sashin giciye

Karatu daga sama zuwa kasa:

• GJXFH = kebul na nau'in baka na cikin gida tare da memba mai ƙarfi da sheath LSZH
• GJXH = kebul na nau'in baka na cikin gida tare da memba na ƙarfin ƙarfe da kwasfa na LSZH (babu "F" a cikin tsofaffin suna, ba a cikin sababbin tarurruka)
• ГХХЧ = waje irin baka mai goyan bayan kai tare da manzo karfe
• GJYXFCH = Kebul na nau'in baka na waje mai goyan bayan kai tare da tsarin tushen FRP
• GJFJU = cikakken kebul na cikin gida mara ƙarfe mara ƙarfe tare da membobin ƙarfin aramid

Kalma na taka tsantsan akan sunayen samfuri

Ga abin da babu wani jagorar siyayya da zai gaya muku: harafin "F" a cikin GJXFH ba a fassara shi akai-akai a fadin masana'antar Sinawa. Wasu masana'antu suna amfani da shi don nufin FRP (ba karfe ba) mambobi masu ƙarfi. Wasu suna amfani da shi azaman alama mai ƙima don “ƙarfafa” kuma har yanzu suna jigilar kebul ɗin tare da wayar karfe a ciki..

Mun ga iri biyu a cikin filin. Kebul na digo mai lakabiGJXFH a waje yana iya isowa da a 0.5 mm phosphated karfe waya a matsayin ƙarfinsa memba. Wannan ba aibi ba ne - shi ne ginshiƙan taron suna wanda ya wanzu tsawon shekaru, musamman tsakanin tsakiyar-tier OEMs.

Tabbatar da gaskiyar mai siye:
Kar a taɓa karɓar lambar ƙirar kebul ɗin digo ita kaɗai. Koyaushe tabbatarwaƙarfi memba abu kumakayan jaket a rubuce a kan PO ko bayanan bayanai. Masu samar da kayayyaki biyu za su iya ambaton ku "GJXFH" kuma su jigilar samfuran jiki daban-daban. Takardar bayanan gaskiya ne. Lambar ƙirar ƙira ce.

Karfe, FRP, ko Aramid: Zaɓi Ƙarfin Ƙarfi Kafin Lambar Samfura

Da zarar kun san iyalai uku na ƙarfi membobin, lambar ƙirar ta kusan ɗaukar kanta. Ga abin da ke canzawa a cikin kayan ukun:

Dukiya	Wayar karfe (phosphated / galvanized)	FRP (Fiber-ƙarfafa Filastik)	Aramid / Kfrp
Ƙarfin ƙarfi (na hali)	Mafi girma don diamita da aka ba	Matsakaici-high	Babban, kusa da karfe da nauyi
Gudanarwa	Karfe mai aiki	Dielectric mara amfani	Dielectric mara amfani
Yawan yawa / wurin yana buƙatar haɗawa da sauri	Mafi nauyi	Haske	Mafi sauƙi
Fihirisar farashi (dangi)	1.0 (tushe)	1.15-1.30	1.6-2.2
Lankwasawa gajiya	Zai iya lalacewa ta hanyar filastik idan an lanƙwasa sosai	Mai jurewa, ruwa dawo	Madalla, babban amfani da fiber
Halin yanayin sanyi	Barga	Gaggawa a matsananciyar ƙasa-sifili idan ƙarancin daraja	Barga a fadin kewayo
Halin wuta tare da jaket LSZH	Ragowar ƙarfe bayan ƙonewa	Konewa mai tsabta	Konewa mai tsabta
Halin amfani na yau da kullun	Madaidaicin gidajen FTTH-wuce, wurin zama a tsaye, ayyuka masu tsada	Wuraren cikin gida marasa ƙarfe, gauraye EMI-m gine-gine	Cikakken dielectric tazarar waje, lif shafts, asibitin MRI dakunan, oda na musamman

Ilimin kimiyyar lissafi da gaske kuna buƙatar tunawa

Fiber na gani yana watsa bayanai azaman haske ta hanyar gilas. Wannan tsari shinetushe mai kariya ga tsangwama na lantarki - hakika za ku iya faɗar kowane abokin ciniki wanda ke damuwa game da "hayaniyar" akan layi daga injunan da ke kusa, masu aikin wuta, ko elevators. Haske bai damu da kewaye EMI ba.

Amma kebul ɗin da ke kewaye da fiber wani labari ne daban.

Idan digo na USB yana amfani da amemba ƙarfin ƙarfe, wannan karfen shine madugu. Karkashin walkiya da ke kusa, taron shigar da wutar lantarki mai ƙarfi, ko mai ƙarfi mai wucewa akan layin AC mai daidaitacce, Ƙarfe a cikin kebul ɗin digo naka zai iya ɗaukar halin yanzu. Lokacin da duka ƙarshen waccan kebul ɗin suka ƙare kusa da na'urorin lantarki masu aiki (ONT a cikin gida, panel na rarrabawa a cikin shinge mai shinge), halin yanzu da aka jawo yana da hanyar zuwa ƙasa - ta kayan aikin ku.

Wannan shine dalilin da ya sa masu sakawa a cikin yankuna masu saurin walƙiya, tare da high-voltage corridors, ko kusa da tashoshin sadarwa sau da yawa ƙayyadeigiyoyin digo maras ƙarfe (bambance-bambancen FRP ko KFRP). Ayyukan gani ba ya canzawa. Bayanin haɗarin yana yi.

Pro tip ga masu siye:
Idan abokin cinikin ku yana cikin bel ɗin damina ta kudu maso gabashin Asiya, tare da babbar hanyar watsa wutar lantarki ta karkara, a cikin Hamada ta Gabas ta Tsakiya mai tsananin ƙura-guguwa, ko tantance asibiti / canji / MRI aikin, yi musu tambaya guda ɗaya ta sama: “Shin cikakken kebul ɗin digo wanda ba ƙarfe ba ne ake buƙata ko fifiko?” Wannan tambaya ɗaya ta rage samfura biyar zuwa biyu.

GJXFH - Horse Nau'in Bakan Cikin Gida

GJXFH shine abin da yawancin FTTH rollouts na zama ke shigarwa tsakanin akwatin rarraba ginin da ONT na mai biyan kuɗi.. An tsara shi don yanayin gida: yanayin zafi-barga, hanyoyin kariya, matsakaicin ja da ƙarfi yayin shigarwa na farko.

Tabbataccen 1-fiber GJXFH bayanai (dangane da ainihin samar da ƙayyadaddun bayanai):

Siga	Daraja
Ƙididdigar fiber	1 (kuma 2 / 4-core versions)
Nau'in Fiber	G.657.A2 yanayin lanƙwasa marar jin daɗi
Ƙaddamarwa @ 1310 nm	≤ 0.4 dB/km
Attenuation @ 1550 nm	≤ 0.3 dB/km
Rashin lankwasawa macro @ 1625 nm, 7.5 mm × 1 juya	≤ 1.0 dB
Girman jaket	3.0 × 2.0 mm (LSZH, baki ko fari)
Memba mai ƙarfi	0.5 mm (karfe ko FRP, tabbatar da PO)
Load mai tsayi mai tsayi	40 N
Nauyin juzu'i na ɗan gajeren lokaci	80 N
Min. lankwasa radius (m / a tsaye)	30 mm / 15 mm
Operating zazzabi	-40 ku +70 °C
Yanayin ajiya	-40 ku +70 °C

Me yasa G.657.A2 yana da mahimmanci fiye da alamar farashin

Kebul digo biyu na iya zama iri ɗaya akan takarda, bambanta da kawai $0.02 kowace mita, kuma har yanzu yin zaɓi na daban don makomar abokin cinikin ku.

G.657.a1 yana rike matsakaicin lanƙwasa amma yana ƙasƙantar da kai a ƙasa ~ 10 mm radius.G.657.A2 - fiber a cikin ƙayyadaddun da ke sama - yana riƙe da matsakaicin 1.0 dB na macro-lankwasawa asarar ko da a a 7.5 mm lankwasa radius a 1625 nm.

Me yasa 1625 nm magana? Domin wannan taga tsawon zangon shine inda cibiyar sadarwa ke tantancewa da kuma gabaXGS-PON 10G haɓakawa sigina kai tsaye. Wani ISP wanda ke tura A1 a yau na iya fuskantar sake cajin tilastawa mai tsada lokacin da suka haɓaka zuwa 10G FTTH, saboda tsohuwar fiber ba zai iya riƙe amincin sigina a ƙarƙashin lanƙwasa ɗaya ba. Cable A2 ne, a cikin tasiri, tsarin inshora mai rahusa akan haɓakar cibiyar sadarwar mai zuwa na gaba.

Maganar mai rabawa:
Lokacin da mai siyar da kaya ya koma baya kan farashin GJXFH saboda mai fafatawa yana da rahusa $0.03/m, tambaya wane darajar fiber da kebul ɗin mai rahusa ke amfani dashi. Idan A1 ne, zaka iya cewa gaskiya: “Haka $0.03 tanadi ya zama cikakken farashin sake caji lokacin da suka matsa zuwa XGS-PON a cikin shekaru uku. ” Masu saye da ke siya don masu aiki suna kula da wannan lissafin.

Lokacin da ba a yi amfani da GJXFH ba

Tsarin cikin gida yana nufin amfani cikin gida. Kar a tura GJXFH a waje akan sandar iska ko a cikin tazara mai goyan bayan kai.. Ba a tsara jaket ɗin LSZH don ci gaba da bayyanar UV ba, sashin giciye na bakin ciki ba zai tsira daga nauyin kankara ba, kuma babu wayar manzo da zata dauki nauyin na USB akan kowane tazara.

Idan mai siye ya tambaye ku ko akwai nau'ikan "GJXFH a waje"., amsar gaskiya a'a. Abin da suke bukata shi neГХХЧ koGJYXFCH - igiyoyi na waje tare da hadedde manzo. Ci gaba da karatu.

GJXH - Nau'in Bakan Cikin Gida Mai Ƙarfe-Ƙarfe

Ana amfani da GJXH akai-akai tare da GJXFH a cikin kasidar masu kaya, kuma rudanin gaskiya ne. A cikin karatunmu na kasuwa, bambancin aiki shine wannan: GJXH yana jigilar kaya akai-akai tare da memba na ƙarfin waya na phosphated da ɗan ƙaramin ƙima mafi girma fiye da bambance-bambancen mai alamar FRP..

Hannun 2-fiber GJXH bayanai:

Siga	Daraja
Ƙididdigar fiber	2 (kuma 1 / 4-core versions)
Nau'in Fiber	G.657.A2 (Tabbatar da A1 vs A2 akan oda)
Ƙaddamarwa @ 1310 nm	≤ 0.4 dB/km
Girman jaket	3.1 × 2.0 mm (LSZH, baki)
Memba mai ƙarfi	2 × 0.45 mm phosphated karfe waya
Load mai tsayi mai tsayi	100 N
Nauyin juzu'i na ɗan gajeren lokaci	200 N
Min. lankwasa radius (m / a tsaye)	60 mm / 30 mm
Operating zazzabi	-20 ku +60 °C

Kuskuren gama gari tare da GJXH

Mun ga masu fasaha suna jan GJXH ta hanyar gudu na mita 20, sama rufin banza, ko a fadin gajeriyar tazarar iska. A cikin kowane ɗayan waɗannan lamuran ƙaddamarwar ta yi aiki a rana ɗaya kuma ta haifar da gunaguni na abokin ciniki bayan watanni shida - ƙananan karaya a cikin fiber., attenuation creep, da kiran sabis don maye gurbin gudu.

A 100 N ƙimar tensile na dogon lokaci yana nufin kebul na iya ɗaukar nauyinsa da matsakaicin ƙarfin jada zarar an shigar kuma a tsaye. Ba yana nufin za ku iya ja da shi ba 15 mita na magudanar ruwa da gogayya. Idan mai sakawa yana buƙatar ƙarfin ja mai ma'ana, takamaiman kebul da aka ƙididdige shi - yawanci GJYXCH a 300 N dogon lokaci, har ma da ɗan gajeren canji na cikin gida zuwa waje.

Halin duniyar gaske:
Wani mai saye a Gabashin Afirka ya ba da rahoton faduwar lalacewar kebul bayan watanni uku na sabis. Tushen dalili: Mai saka su yayi amfani da kebul na cikin gida na GJXH don gudun mita 40 ta hanyar rufin rufin saboda yana hannun.. A cikin lokacin damina ɗaya, jaket ɗin LSZH ya sha isasshen danshi a wuraren da aka fallasa su don haifar da microbending.. Gyaran shine sake yin aiki tare da GJYXCH - da ƙayyadaddun kayan da aka rubuta akan kowane PO na gaba.

GJYXCH - Taimakawa Waje Drop don Jirgin Sama na FTTH

GJYXCH shine dokin aiki na waje: an tsara shi don jigilar iska tsakanin sandunan amfani, Injiniya don ɗaukar nauyinsa sama da nisan mita 80, da jaket don tsira daga UV, yanayin zafi, da matsakaicin nauyin ruwan sama.

Babban 2-fiber GJYXCH bayanai:

Siga	Daraja
Ƙididdigar fiber	2 (al'ada har zuwa 12-core)
Nau'in Fiber	G.652.D ko G.657.A jerin
Ƙaddamarwa @ 1310 nm	≤ 0.36 dB/km
Attenuation @ 1550 nm	≤ 0.22 dB/km
Girman jaket	5.0 × 2.0 mm (LSZH, baki)
Tsarin	Lebur na USB + hadedde karfe manzo, "figure-8" giciye-sashe
Karfe manzo	1 × 1.0 mm
Ƙarfe mambobi (a gefe na USB)	2 × 0.4 mm phosphated karfe
Load mai tsayi mai tsayi	300 N
Nauyin juzu'i na ɗan gajeren lokaci	600 N
Matsakaicin iyakar sararin samaniya	≤ 80 m
Operating zazzabi	-20 ku +60 °C

Abin da “tallafawa kai” ke nufi a zahiri

Maganar tana da mahimmanci. Kebul ɗin digo mai goyan bayan kai yana ɗaukar mataccen nauyi da iska da (a cikin yanayin sanyi) lodin kankara, ba tare da buƙatar waya ta daban ba. Haɗe-haɗe manzo a cikin GJYXCH shine abin da ke yin wannan aikin.

Tsawon tsayi har zuwa mita 80 wannan ƙirar tana da inganci kuma mai arha. Bayan haka 80 mita - tunanin tsawan tsallaka hanya, mashigar ruwa, ko iskan iska ta karkara tana gudana tsakanin sandunan nesa - ma'auni na manzo baya riƙe sag da tashin hankali da ake buƙata.. Anan ne ADSS kebul daukan kan.

Abubuwan rashin amfani na yau da kullun guda biyu

Kar a binne GJYXCH kai tsaye. Ba a tsara jaket ɗin don hulɗar ƙasa ba, danshi matsa lamba, ko kayan rodent. Domin binnewa kai tsaye, kebul na waje mai sulke kamar GYTA53.

Kada ku wuce iyakar max. Mun kalli masu sakawa suna rataye GJYXCH a kan mashigar titin mita 100 “kawai sau ɗaya” saboda ADSS ba ta nan.. A cikin lokacin guguwa ɗaya, Sag na kebul ya wuce iyakar yarda kuma lodin sandar sanda ya zama haɗarin aminci. Daidaita ƙira zuwa tazara, ba kalanda ba.

Lokacin da kuke Buƙatar Cikakkun waɗanda ba Karfe ba: Aramid (Kfrp) da GJYXFCH

Labari biyu suna korar abokan ciniki zuwa cikakkun igiyoyi marasa ƙarfe:

Yanayi na ɗaya - EMI mai aiki ko haɗarin walƙiya. Kamfanoni, manyan hanyoyin watsa wutar lantarki, ayyukan haɗin gwiwar sadarwa da wutar lantarki, kuma (a wasu yankuna) yankunan bakin teku masu tsayin yanayi mai tsayi. A cikin waɗannan mahalli, ƙayyadaddun abokin ciniki sau da yawa yana ba da umarni dielectric drop igiyoyi don kawar da duk wata hanyar da ta haifar..

Yanayi na biyu - umarni na doka ko kwangila. Asibitoci kusa da dakunan MRI, wani filin jirgin sama / soja / amintattun kayan aiki, da ƙayyadaddun tsarin telco na Turai waɗanda ke buƙatar igiyar igiyar igiya ta ƙarshe.

Ga wadancan lokuta:

• GJYXFCH - sigar tallafin kai na waje tare da tsarin tushen FRP maimakon manzo na karfe
• GJFJU - cikakken nau'in baka na cikin gida wanda ba na ƙarfe ba tare da aramid (Kfrp) mambobi masu ƙarfi

Duk bambance-bambancen suna samuwa akan tsari maimakon a matsayin daidaitaccen haja. Lokutan gubar na gudana makonni 1-3 fiye da daidaitattun wayoyi na karfe, kuma fihirisar farashin tana zaune a kusan 1.6-2.2 × daidaitaccen sigar ƙarfe. Don haka shawarar siyan ya kamata ta kasance"Shin wannan aikin haƙiƙa ɗaya ne daga cikin waɗannan al'amura guda biyu,” ba"Shin muna son marasa ƙarfe kawai su kasance lafiya." Ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙa'idodin direba ne na gaske.

The Drop Cable Decision Tree - 4 Tambayoyi, 1 Samfura

Shawarar ta rage zuwa tambayoyi jeri huɗu. Tambaye su a cikin wannan tsari kuma samfurin daidai ya faɗi:

1. Shin aikin a cikin gida ne ko waje?
   Cikin gida → GJXFH ko GJXH · Waje → GJYXCH ko GJYXFCH
2. Don waje: kebul ɗin an sanya shi ta iska tsakanin sanduna, ba tare da wayar manzo daban ba?
   Ee → bambance-bambancen tallafin kai (GJYXCH ko GJYXFCH) · No → armored outdoor cable such as GYTA53
3. Is a fully non-metallic cable required (Yankunan EMI, mai saurin walƙiya, hospital, contract-mandated dielectric)?
   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

Tambayoyi hudu. 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)

• Lambar samfurin kuma ƙarfi memba abu (never trust the model alone)
• Ƙididdigar fiber (1 / 2 / 4 / custom)
• Fiber grade — insist on G.657.A2 don kowane tura FTTH wanda za'a iya haɓakawa zuwa XGS-PON
• Kayan jaket (LSZH na cikin gida da na waje na zamani; PE kawai inda ba a buƙatar LSZH)
• Launin jaket (baki shine daidaitaccen waje; Ana iya neman fari ko launin toka don ganin cikin gida)
• Tsawon dunƙule (na al'ada 2-3 km kowace ganga; tabbatar kafin manyan umarni)
• Buga tsarin alama (alamomin mitoci masu zuwa, batch code, da duk wani alamar abokin ciniki)
• Ana buƙatar takaddun shaida don ƙasar da za a nufa (CPR don aikace-aikacen ginin EU, ANATEL ta Brazil, UL/ETL don masu tashi cikin gida na Arewacin Amurka)

Jerin tantance ingancin inganci (yi wadannan a kan rasit)

• Kowane na'ura ya kamata ya yi jigilar kaya tare da alamar OTDR masana'anta da rahoton attenuation mai ɗauke da lambar tsari
• Duba kubu da gani don daidaito, buga buga, da duk wani rashin daidaituwar launi
• Bazuwar-samfurin yanki na mita 1: tube kube, tabbatar da ƙarfin memba yayi daidai da ƙayyadaddun bayanai na PO
• Lanƙwasa-gwajin samfur a madaidaicin radius na lanƙwasa da sake auna asarar akan OTDR (a 0.1 dB ko tsalle mafi girma yana ba da garantin bita)

Jajayen tutoci waɗanda yakamata su jawo ƙin yarda ko sake tattaunawa

• Lambar samfuri da ginin jiki ba su dace da PO ba
• Sheath LSZH yana fitar da ƙamshin filastik bayyananne lokacin da aka gwada samfurin zafi (yana nuna mahallin da bai dace ba)
• Babu bayanan gwajin matakin tsari da aka kawo tare da jigilar kaya
• Metal ƙarfin memba yana nuna iskar oxygen da wuri kafin shigarwa
• An lalatar da alamar bugawa ko ɓacewa a tazara - ba za ta gaza gwajin karɓa ba a gefen abokin ciniki

Layin Ƙasa - Daidaita Samfurin zuwa Ƙaddamarwa

Siyan rijiyar digowar kebul aikin fassara ne. Abokin ciniki ya ce "muna buƙatar FTTH-mile na ƙarshe,"wanda ke nufin da gaske" muna buƙatar takamaiman samfurin da ya dace da yanayin wannan ƙaddamarwa, bayanin martabar tashin hankali, Hadarin EMI, da tsarin rayuwa." Bishiyar shawarar da ke sama tana juya waccan fassarar zuwa tambayoyi huɗu.

Kuskuren da ya fi kowa yawa da muke gani a duk faɗin yankin ba a biya fiye da kima ba - yana da ƙayyadaddun ƙayyadaddun bayanai. Kebul na cikin gida na GJXH da aka ja ta hanyar rufin rufin yana da ƙarancin farashi akan daftari kuma yana da tsada sosai a cikin jujjuyawar motar da ta kunna.. Ƙayyade samfurin ga abin da kebul ɗin zai dandana a zahiri tsawon rayuwar sabis ɗin sa, ba ga abin da ya fi arha a ranar PO ba.

Idan kuna son kallon gefe-da-gefe da za'a iya bugawa wanda ke rufe dukkan nau'ikan nau'ikan guda biyar da aka tattauna a sama - zaku iya saukar da shi daga namu FTTH Drop Cable albarkatun cibiyar. Muna sabunta takardar kwata-kwata.

Tambayoyin da ake yawan yi Game da Zabin Model na FTTH Drop Cable

Menene bambanci tsakanin GJXFH da GJXH?

GJXFH da GJXH duka igiyoyin digo na nau'in baka ne na cikin gida. A cikin tsananin Sinanci YD/T 1258 al'ada suna, harafin F a GJXFH yana nuna memban ƙarfin FRP mara ƙarfe, yayin da GJXH ke nuna karfe (yawanci phosphated karfe) memba karfi. A aikace, Sunayen masana'anta ya bambanta - wasu masu samar da kayayyaki suna jigilar kebul mai lakabin GJXFH tare da wayar karfe a ciki. Koyaushe tabbatar da kayan memba mai ƙarfi akan odar siyan ku, ba kawai lambar ƙirar ba.

Menene GJXFH ke tsayawa?

Kowane harafi yana ɓoye sifa ta zahiri ƙarƙashin YD/T 1258.G yana tsaye don sadarwa-amfani da kebul na gani, J yi masa alama a matsayin kebul na cikin gida, X gano nau'in baka (malam buɗe ido) giciye-sashe, F gano nau'in memba mai ƙarfi, kumaH gano jaket na waje. Karanta tare, GJXFH yana nufin kebul na digo mai nau'in baka guda ɗaya na cikin gida tare da ƙarfafa memba mai ƙarfi da kwasfa na waje (yawanci LSZH).

Zan iya amfani da kebul na digo na cikin gida kamar GJXFH a waje?

A'a. Kebul na digo na cikin gida suna amfani da jaket na LSZH waɗanda ba su da ƙarfin UV don ci gaba da bayyanar hasken rana, kuma ba a tsara sashinsu na giciye don tsira da nauyin kankara ba, damuwa iska, ko danshi na waje. Don jigilar FTTH ta iska tsakanin sanduna, amfani da GJYXCH (karfe manzo) ya da GJYXFCH (manzo ba karfe ba). Don amfani da bututu ko binnewa kai tsaye, saka kebul na waje mai sulke kamar GYTA53.

Shin FRP ko waya ta ƙarfe ta fi kyau don memba ƙarfin kebul na digo?

Babu wani abu mafi kyau a duniya - zabin daidai ya dogara da turawa. Wayar ƙarfe tana ba da ƙarfin juriya ga kowace dala kuma ya kasance mafi kyawun zaɓi don daidaitaccen mazaunin gida na FTTH. FRP (robobi mai ƙarfafa fiber mara ƙarfi) shine madaidaicin zaɓi don mahalli tare da EMI mai aiki, hadarin walƙiya, ko kusanci zuwa manyan layukan wutar lantarki, inda hanyar ƙarfe zuwa ƙasa a cikin kebul ɗin zai haifar da haɗari ga ONT da aka haɗa ko kayan rarrabawa.

Waɗanda kebul na ɗigon gani suke da layukan da ke kusa da babban ƙarfin lantarki ko walƙiya suka shafa?

Fiber na gani da ke cikin kebul ɗin yana da kariya daga tsangwama na lantarki - haske baya amsawa ga EMI. Duk da haka, idan kebul na amfani da amemba ƙarfin ƙarfe, karfen na iya ɗaukar motsin motsi daga yajin walƙiya da ke kusa ko mai ƙarfi na AC, kuma wannan halin yanzu yana da hanya ta hanyar kebul ɗin ya ƙare zuwa kayan aikinka na ƙarshe. Don turawa kusa da tashoshin sadarwa, hanyoyin watsa labarai, ko kuma a yankuna masu saurin walƙiya, saka cikakken mara ƙarfe (FRP ko KFRP) bambancin.

Menene kebul na FTTH mai goyan bayan kai?

Kebul na ɗigo mai goyan bayan kai yana da haɗaɗɗen manzo - yawanci waya ta ƙarfe a cikin GJYXCH ko sandar FRP a cikin GJYXFCH - wanda ke ɗaukar nauyin kebul ɗin a cikin tazarar iska tsakanin maki biyu na tallafi., yawanci igiyoyi masu amfani. Wannan yana kawar da buƙatar waya ta daban, sauƙaƙe shigarwa na iska. Matsakaicin matsakaicin tsayi shine mita 80; ya kamata a yi amfani da kebul na ADSS maimakon gudu mai tsayi.

Menene madaidaicin tazarar iska don kebul na digo na GJYXCH?

Kimanin 80 mita tsakanin wuraren tallafi, karkashin daidaitattun yanayi. Bayan wannan nisa, Kebul sag ya wuce iyakar yarda a ƙarƙashin nauyin iska da kankara, kuma tashin hankali na manzo na iya yin sulhu da kayan aiki na sanda. Don tazarar tsakanin 80 kuma 200+ mita, shigar ADSS kebul, wanda aka kera don dogon gudu na iska.

Zan iya binne kebul na GJYXCH a karkashin kasa kai tsaye?

A'a. GJYXCH an lullube shi don bayyanar iska zuwa UV da yanayi, ba don tuntuɓar ƙasa ba, ƙasa danshi matsa lamba, ko kariya daga rodent. Domin binnewa kai tsaye, yi amfani da kebul mai sulke kamar GYTA53 tare da sulke na karfe da sheathing mai dacewa.

Yaya tsawon daidaitaccen kebul na digo na FTTH kowace dunƙule?

Daidaitaccen tsayin dunƙulewa yawanci 2 ku 3 kilomita don GJXFH na cikin gida / GJXH da GJYXCH na waje. Za a iya samar da tsayin reel na al'ada da manyan ganguna akan tsari - tabbatar da daidaitattun sadaukarwa da kowane takamaiman tsayin da ake buƙata tare da mai siyarwar ku kafin kammala PO.

Menene ƙarfin juzu'in kebul ɗin digo a zahiri yana buƙata don aikina?

Ya dogara da yanayin shigarwa, ba akan sunan kebul ba. Gudun bango ko gajeriyar tura kayan aiki na cikin gida yawanci suna buƙatar tashin hankali na 40-100 N na dogon lokaci (GJXFH or GJXH). Conduit pulling, ceiling voids, and short aerial transitions require higher rated cables — even for short outdoor spans, spec GJYXCH at 300 N dogon lokaci. 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, tube kube, 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.

Menene darajar fiber zan ƙayyade don ƙaddamar da FTTH mai tabbatarwa nan gaba?

ƘayyadeG.657.A2 ko mafi girma. Tsoffin-ƙarni G.657.A1 fiber yana nuna gagarumin asarar macro-lankwasawa a lanƙwasa radi a ƙasa 10 mm, musamman a 1625 nm - taga tsawon tsayin da aka yi amfani da shi don fadada cibiyar sadarwar XGS-PON 10G FTTH. Aiwatar da A1 a yau na iya tilasta wa afareta zuwa cikin kebul na cibiyar sadarwa mai tsada lokacin da suka haɓaka. A2 fiber yana riƙe da ≤ 1.0 dB hasara a 7.5 mm lankwasa radius a 1625 nm, yadda ya kamata ya rufe zagayowar haɓakawa na gaba na ma'aikaci a cikin ƙimar kuɗi kaɗan.