The structure of GYFTC8Y optical cable is to sleeve the optical fiber into the PBT loose tube, and the loose tube is filled with waterproof compound. The center of the cable core is a non-metallic reinforced core, and the loose tube (and filler rope) is twisted around the central reinforced core to form a compact and circular cable core. The cable core and the steel wire strands are integrated into a figure-8 polyethylene sheath
Color:
Kev piav qhia
Kev teeb tsa cable Cov qauv
Cov ntaub ntawv txheej txheem
Cov ntaub ntawv txheej txheem
| No. ntawm cable | 4 | 8 | 12 | 24 | 48 | 72 | 144 | ||||
| Tus Qauv Fiber | G.652D | ||||||||||
| Tsim (Ua kom lub zog + Lub hli + Lub raj dej & lub ntsej muag) | 1 + 5 | 1 + 6 | 1 + 12 | ||||||||
| Lub Zog Loj Hauv Nruab Nrab | Cov khoom siv | FRP | |||||||||
| Txoj kab uas hla （± 0.05） mm | 1.5 | 2.1 | |||||||||
| Xoob raj | Cov khoom siv | PBT | |||||||||
| Txoj kab uas hla （± 0.06） mm | 1.8 | 2.1 | |||||||||
| Thickness （± 0.03） mm | 0.32 | 0.35 | |||||||||
| Lub Max.Core NO./Tube | 4 | 6 | 12 | ||||||||
| Fais hlua | Cov khoom siv | LDPE | |||||||||
| Xim | Dawb | ||||||||||
| Txoj kab uas hla （± 0.06） mm | 1.8 | 2.1 | |||||||||
| Dej thaiv cov txheej （Khoom （ | Dej nyab ntiaj teb | ||||||||||
| Txhawb nqa daim | Cov khoom siv | Galvanized steel strand | |||||||||
| Qhov Coob | 0.9 × 7 | 1.0 × 7 | |||||||||
| Lub Vev Xaib | Cov khoom siv | MDPE | |||||||||
| Qhov loj me ± ± 0.2） mm | 2.5 × 3 | ||||||||||
| Txheej Sheath① | Cov khoom siv | MDPE | |||||||||
| Thickness ± ± 0.2） mm | 1.5 | ||||||||||
| Txheej Sheath② | Cov khoom siv | MDPE | |||||||||
| Thickness ± ± 0.2） mm | 1.8 | ||||||||||
| Txoj Kab Cable (W × H) ± ± 0.2） mm | 8.5 × 16.6 | 9.1 × 17.0 | 9.7 × 18.1 | 13.8 × 22.2 | |||||||
| Cable Ntub （± 10） kg / km | 120 | 132 | 150 | 235 | |||||||
| Min. dabtsi yog khoov vojvoog | Tsis Muaj Tension | 10.0 × Cable-φ | |||||||||
| Raws Li Kev Mob Siab Ntau | 20.0 × Cable-φ | ||||||||||
| Ntau yam kub （）） |
Txhim Kho | -20 ~ + 60 | |||||||||
| Thauj & Cia | -40 ~ + 70 | ||||||||||
| Kev ua haujlwm | -40 ~ + 70 | ||||||||||
Cov xim fiber ntau
| Tsis yog. | 1 | 2 | 3 | 4 | 5 | 6 |
| Xim |  |
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| Tsis yog. | 7 | 8 | 9 | 10 | 11 | 12 |
| Xim |  |
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Raj Xim
| Tsis yog. | 1 | 2 | 3 | 4 | 5 | 6 |
| Xim |  |
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| Tsis yog. | 7 | 8 | 9 | 10 | 11 | 12 |
| Xim |  |
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Cov khoom ntawm cov hom fiber ntau kho qhov muag (ITU-T Rec. G.652.D)
| Yam khoom | Specification |
| Hom fiber ntau | Ib Leeg-Hom |
| Cov khoom siv fiber ntau | Doped silica |
| Attenuation coefficient @ 1310 nm @ 1383 nm @ 1550 nm @ 1625 nm |
£ 0.36 dB / km £ 0.32 dB / km £ 0.22 dB / km £ 0.30 dB / km |
| Taw tes tsis txuas ntxiv | 0.05 dB |
| Cable ntuag-wavelength | £ 1260 nm |
| Lub voj voos-sib cais yoj | 1300 ~ 1324 nm |
| Voj-dispersion nqes hav | 0.092 ps / (nm2.km) |
| PMDQ (Quadrature nruab nrab *) | 0.2 ps / km1 / 2 |
| Hom teb inch @ 1310 nm | 9.2 ± 0.4 um |
| Tub ntxhais / Clad concentricity yuam kev | 0.5 um |
| Cladding taub | 125.0 ± 0.7 um |
| Cladding tsis-ncig | £ 1.0% |
| Lub teeb txheej qhia ua ntej | 245 ± 10 um |
| Pov thawj qib | 100 kpsi (= 0.69 Gpa), 1% |
| Qhov ntsuas kub tsis txaus 0oC ~ + 70oC @ 1310 & 1550nm |
£ 0.1 dB / km |
Daim ntawv thov:
| TSIS MUAJ. | Yam khoom | Yuav Tsum Muaj | |
| 1 | Pub Siv Tensile Muaj Zog | Lub Sij Hawm Luv Luv | 2700 N |
| Lub Sij Hawm Ntev | 1000 N | ||
| 2 | Cia Ua Kev Zuaj Kuj | Lub Sij Hawm Luv Luv | 1000 (/ 100mm) |
| Lub Sij Hawm Ntev | 300 (/ 100mm) | ||
Sheath marking
Cov xim ntawm kev cim yog dawb, tab sis yog tias qhov kev sib tw tsim nyog, lub cim xim dawb yuav tsum tau luam tawm tshiab nyob hauv lwm txoj haujlwm sib txawv.
Qee lub sij hawm tsis meej ntawm qhov cim ntev yog tso cai yog tias ob qho ntawm cov cim nyob sib ze yog tseeb.
Both cable ends are sealed with heat shrinkable end caps to prevent water ingress.
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