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:
Ta'rif
Texnik ma'lumotlar
| Kabelning raqami | 2 ~ 8 | 10 ~ 12 | 14 ~ 24 | ||
| Optik tolali model | G.652D | ||||
| Bo'shashmasdan naycha | Materiallar | PBT | |||
| Diametri （± 0,06） mm | 2.0 | 2.4 | 2.8 | ||
| Qalinligi （± 0.03） mm | 0,32 | 0,35 | 0,4 | ||
| Max.Core NO./Tube | 2 ~ 8 | 10 ~ 12 | 14 ~ 24 | ||
| Suvni to'suvchi qatlam （Material （ | Suvni blokirovka qiluvchi lenta | ||||
| Qurollash | Materiallar | Chelik lenta | |||
| Qalinligi （± 0.03） mm | 0,25 | ||||
| Messenger Wire | Materiallar | Galvanizli po'lat ip | |||
| Hajmi （± 0,05） mm | 2.7mm （0.9 × 7） | ||||
| Internet | Materiallar | MDPE | |||
| Hajmi （± 0.1） mm | 2,0 × 3,0 | ||||
| Tashqi qoplama | Materiallar | MDPE | |||
| Qalinligi （± 0,1） mm | 1,5 | ||||
| Tashqi qoplama | Materiallar | MDPE | |||
| Qalinligi （± 0,1） mm | 1.7 | 1.8 | 1.8 | ||
| Bolal diametri （± 0,5） mm | 7,2 × 15,4 | 7,6 × 15,8 | 8,0 × 16,2 | ||
| Kabelning o'tkazuvchanligi （± 10） kg | 110 | 115 | 125 | ||
| Min. bükme radiusi | Kuchlanishsiz | 10,0 × Kabel-φ | |||
| Maksimal kuchlanish ostida | 20,0 × Kabel-φ | ||||
| Harorat oralig'i （℃） |
O'rnatish | -20 ~ + 60 | |||
| Transport va saqlash | -40 ~ + 70 | ||||
| Operatsiya | -40 ~ + 70 | ||||
Elyaf rangi
| Yo'q. | 1 | 2 | 3 | 4 | 5 | 6 |
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| Yo'q. | 7 | 8 | 9 | 10 | 11 | 12 |
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| Yo'q. | 13 | 14 | 15 | 16 | 17 | 18 |
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| Yo'q. | 19 | 20 | 21 | 22 | 23 | 24 |
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Bir rejimli optik tolaning xususiyatlari (ITU-T Recip G.652.D)
| Mahsulot | Texnik xususiyatlari |
| Elyaf turi | Yagona rejimli |
| Elyaf materiallari | Doping silisium |
| Kuchlanish koeffitsienti @ 1310 nm @ 1383 nm @ 1550 nm @ 1625 nm |
£ 0.36 dB / km £ 0.32 dB / km £ 0.22 dB / km £ 0.30 dB / km |
| Nuqtaning uzilishi | £ 0,05 dB |
| Kabelning kesilgan to'lqin uzunligi | £ 1260 nm |
| Nol-dispersiyali to'lqin uzunligi | 1300 ~ 1324 nm |
| Nol-dispersiya qiyaligi | £ 0.092 ps / (nm2.km) |
| Kromatik dispersiya @ 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 (o'rtacha kvadrat *) | £ 0.2 ps / km1 / 2 |
| Rejim maydonining diametri @ 1310 nm | 9,2 ± 0,4 um |
| Asosiy / yopiq konsentratsiya xatosi | £ 0,5 um |
| Qoplama diametri | 125,0 ± 0,7 um |
| Qoplamali tekislik | £ 1.0% |
| Birlamchi qoplama diametri | 245 ± 10 um |
| Isbotlangan sinov darajasi | 100 kpsi (= 0,69 Gpa), 1% |
| Harorat qaramlik 0oC ~ + 70oC @ 1310 & 1550nm |
£ 0,1 dB / km |
Ilova:
| YO'Q. | Mahsulot | Talab | |
| 1 | Tortish darajasi | Kabelni o'rnatish Messenger | 2700N |
| CableResidual Messenger | 800 N | ||
| 2 | Yiqilishga qarshilik | Qisqa muddat | 1000 (/ 100 mm) |
| Uzoq muddat | 300 (/ 100 mm) | ||
Choyni markalash
rangi oq, ammo agar zarur bo'lsa, oq rang markirovkasi boshqa joyda yangi chop etiladi.
Vaqti-vaqti bilan aniqlanmagan uzunlik belgilariga ikkala qo'shni belgilar ham aniq bo'lsa ruxsat beriladi.
Ikkala simi uchlari suvning kirib ketishini oldini olish uchun issiqlik qisqaradigan qopqoq bilan yopiladi.
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