The structure of the standard figure-eight self-supporting central tube optical cable is that single-mode or multi-mode optical fibers are sheathed in a loose tube made of high modulus plastic, and the tube is filled with a water-blocking compound. The center of the cable core is the loose tube. The loose tube is coated with plastic (wrinkle) steel tape longitudinally. The water blocking tape between the steel tape and the loose tube ensures the compactness of the optical cable and the longitudinal water blocking and is placed parallel to the steel strand. Simultaneously squeeze the figure 8 sheath into a cable.
Color:
Faamatalaga
Faʻamatalaga faʻatekinolosi
| Leai o uaea | 2 ~ 8 | 10 ~ 12 | 14 ~ 24 | ||
| Fiber Faataʻitaʻiga | G.652D | ||||
| Faapaʻu Polo | Meafaitino | PBT | |||
| Lapoa （± 0.06） mm | 2.0 | 2.4 | 2.8 | ||
| Mafiafia （± 0.03） mm | 0.32 | 0.35 | 0.4 | ||
| Max.Core NO./Tube | 2 ~ 8 | 10 ~ 12 | 14 ~ 24 | ||
| Vai polokaina vai （Mea） | Vai polokaina poloka | ||||
| Afaina | Meafaitino | Faapipii Steel | |||
| Mafiafia （± 0.03） mm | 0.25 | ||||
| Avefeau uaea | Meafaitino | Manoa uamea uaea | |||
| Tele （± 0.05） mm | 2.7mm （0.9 × 7） | ||||
| Upega tafaʻilagi | Meafaitino | MDPE | |||
| Tele （± 0.1） mm | 2.0 × 3.0 | ||||
| O fafo Sheath She | Meafaitino | MDPE | |||
| Mafiafia （± 0.1） mm | 1.5 | ||||
| O fafo Sheath She | Meafaitino | MDPE | |||
| Mafiafia （± 0.1） mm | 1.7 | 1.8 | 1.8 | ||
| Lapoa Cable （± 0.5） mm | 7.2 × 15.4 | 7.6 × 15.8 | 8.0 × 16.2 | ||
| Cable susu susu （± 10） kg | 110 | 115 | 125 | ||
| Min. punou faataamilomilo | Aunoa ma le Feteʻena | 10.0 × Uaea-φ | |||
| I lalo ole Maximum Tension | 20.0 × Uaea-φ | ||||
| Vevela tele （℃） |
Faapipiiina | -20 ~ + 60 | |||
| Felauaiga & Teuina | -40 ~ + 70 | ||||
| Taotoga | -40 ~ + 70 | ||||
Valivali alava
| Leai. | 1 | 2 | 3 | 4 | 5 | 6 |
| Valivali |  |
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| Leai. | 7 | 8 | 9 | 10 | 11 | 12 |
| Valivali |  |
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| Leai. | 13 | 14 | 15 | 16 | 17 | 18 |
| Valivali |  |
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| Leai. | 19 | 20 | 21 | 22 | 23 | 24 |
| Valivali |  |
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O meatotino o le tasi-auala meaola alava (ITU-T Rec. G.652.D)
| Aitema | Auiliili |
| Ituaiga alava | Nofofua-auala |
| Mea alava | Lauina silika |
| Attenuation fua faatatau @ 1310 nm @ 1383 nm @ 1550 nm @ 1625 nm |
£ 0.36 dB / km £ 0.32 dB / km £ 0.22 dB / km £ 0.30 dB / km |
| Faʻasino le faʻaauauina | £ 0.05 dB |
| Cable vavaeeseina-ese le umi | £ 1260 nm |
| Zero-dispersion galuength | 1300 ~ 1324 nm |
| Nofoa-faataapeapega | £ 0.092 ps / (nm2.km) |
| Chromatic dispersion @ 1288 ~ 1339 nm @ 1271 ~ 1360 nm @ 1550 nm @ 1625 nm |
£ 3.5 ps / (nm. Km) £ 5.3 ps / (nm. Km) £ 18 ps / (nm. Km) £ 22 ps / (nm. Km) |
| PMDQ (Fua faatatau o le sikuea *) | £ 0.2 ps / km1 / 2 |
| Faiga fanua lapoa @ 1310 nm | 9.2 ± 0.4 um |
| Mea sese / Paʻu faʻapitoa sese | £ 0.5 um |
| Cladding lapoa | 125.0 ± 0.7 um |
| Fusi faʻamalosi e le fealuaʻi | £ 1.0% |
| Peraimeri vavaeina lapoa | 245 ± 10 um |
| Faamaoniga le tulaga o suʻega | 100 kpsi (= 0.69 Gpa), 1% |
| Vevela faalagolago 0oC ~ + 70oC @ 1310 & 1550nm |
£ 0.1 dB / km |
Talosaga:
| LEAI. | Aitema | Manaoga | |
| 1 | Tensile Faatatauina | Uaea Cable w / o Avefeau | 2700N |
| CableResidual w / o Avefeau | 800 N | ||
| 2 | Crush tetee | Taimi puʻupuʻu | 1000 (/ 100mm) |
| Taimi umi | 300 (/ 100mm) | ||
Faailoga o le sela
Le lanu o le makaina e paʻepaʻe, ae afai e manaʻomia le faʻaupuga, o le lanu paʻepaʻe faʻailoga e tatau ona lolomiina fou i se isi tulaga.
O se taimi le manino le umi o le faʻailoga e faʻatagaina pe a fai e manino uma le faʻailoga tuaoi.
Uma uaea pito ua faʻamaufaʻailogaina ma vevela vevela mafai ona taofi tapuni e puipuia vai ulufale.
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