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:
Tsananguro
technical data
| Kwete | 2 ~ 8 | 10 ~ 12 | 14 ~ 24 | ||
| Fibre Model | G.652D | ||||
| Yakaregedza Tube | Chinyorwa | PBT | |||
| Diameter （± 0.06） mm | 2.0 | 2.4 | 2.8 | ||
| Kuonda （± 0.03） mm | 0.32 | 0.35 | 0.4 | ||
| Max.Core NO./Tube | 2 ~ 8 | 10 ~ 12 | 14 ~ 24 | ||
| Madzi Anovharira mudziyo | Madzi Anovhara Tepi | ||||
| Kuzvidzivirira | Chinyorwa | Tepi Yesimbi | |||
| Kuonda （± 0.03） mm | 0.25 | ||||
| Mutumwa Wire | Chinyorwa | Yakasenderedzwa tambo yesimbi | |||
| Ukuru （± 0.05） mm | 2.7mm （0.9 × 7） | ||||
| Webhu | Chinyorwa | WDC | |||
| Ukuru （± 0,1 mm | 2.0 × 3.0 | ||||
| Outer Sheath① | Chinyorwa | WDC | |||
| Kuonda （± 0.1） mm | 1.5 | ||||
| Outer Sheath② | Chinyorwa | WDC | |||
| Kuonda （± 0.1） mm | 1.7 | 1.8 | 1.8 | ||
| Cable Diimita （± 0.5） mm | 7.2 × 15.4 | 7.6 × 15.8 | 8.0 × 16.2 | ||
| Cable Wetght （± 10） kg | 110 | 115 | 125 | ||
| Min. kukotama radius | Pasina Kushushikana | 10.0 × Cable-φ | |||
| Under Maximum Tension | 20.0 × Cable-φ | ||||
| Kupisa huwandu range (℃) |
Kuisirwa | -20 ~ + 60 | |||
| Kutakura & Kuchengeta | -40 ~ + 70 | ||||
| Kushanda | -40 ~ + 70 | ||||
Fibera Muvara
| Aihwa. | 1 | 2 | 3 | 4 | 5 | 6 |
| Ruvara |  |
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| Aihwa. | 7 | 8 | 9 | 10 | 11 | 12 |
| Ruvara |  |
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| Aihwa. | 13 | 14 | 15 | 16 | 17 | 18 |
| Ruvara |  |
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| Aihwa. | 19 | 20 | 21 | 22 | 23 | 24 |
| Ruvara |  |
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Izvo zvivakwa zve single-mode optical fiber (ITU-T Rec. G.652.D)
| Chinhu | Ruzivo |
| Fibhi yemhando | Imwe-maitiro |
| Fiber zvinhu | Doped silika |
| Attenuation coeffnty @ 1310 nm @ 1383 nm @ 1550 nm @ 1625 nm |
£ 0.36 dB / km £ 0.32 dB / km £ 0,22 dB / km £ 0.30 dB / km |
| Pfungwa discontinuity | £ 0.05 dB |
| Cable yakatemwa-kureba wavelength | £ 1260 nm |
| Zero-kupararira wavelength | 1300 ~ 1324 nm |
| Zero-kupararira nzvimbo | £ 0.092 ps / (nm2.km) |
| Chromatic dispersion @ 1288 ~ 1339 nm @ 1271 ~ 1360 nm @ 1550 nm @ 1625 nm |
£ 3.5 Pis / (nm. Km) £ 5.3 Pis / (nm. Km) £ 18 Pis / (nm. Km) £ 22 Pis / (nm. Km) |
| PMDQ (Quadrature pakati) | £ 0,2 Ps / km1 / 2 |
| Mode munda diangle @ 1310 nm | 9.2 ± 0.4 um |
| Core / Clad concentricity kukanganisa | £ 0.5 um |
| Cladding dhayamita | 125.0 ± 0.7 um |
| Kuvhara zvisina-kutenderera | £ 1,0% |
| Chikamu chekutanga kukwirira | 245 ± 10 um |
| Zverubvunzo bvunzo | 100 kpsi (= 0.69 Gpa), 1% |
| Temperature dependence 0oC ~ + 70oC @ 1310 & 1550nm |
£ 0,1 dB / km |
Chikumbiro:
| AIHWA. | Chinhu | Zvinodiwa | |
| 1 | Tensile Rating | Kuiswa kwetambo w / o Messenger | 2700N |
| CableResidual w / o Mutumwa | 800 N | ||
| 2 | Crush Kuramba | Nguva pfupi | 1000 (/ 100mm) |
| Nguva refu | 300 (/ 100mm) | ||
Shealing kumaka
Ruvara
Imwe nguva isina kujeka yekureba mucherechedzo inobvumirwa kana iwo maviri emuvakidzani makajeka akajeka.
Mheto mbiri dzese dzinopera dzakasungwa pamwe nekupisa shrinkable magumo ekudzivirira kudzivirira mvura ingress.
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