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:
Katrangan
Data teknis
| Ora ana kabel | 2 ~ 8 | 10 ~ 12 | 14 ~ 24 | ||
| Model Serat | G.652D | ||||
| Tube Ngecul | Materi | PBT | |||
| Diameter （± 0,06） mm | 2.0 | 2.4 | 2.8 | ||
| Kekandelan （± 0,03） mm | 0,32 | 0,35 | 0,4 | ||
| Max.Core NO./Tube | 2 ~ 8 | 10 ~ 12 | 14 ~ 24 | ||
| Lapisan Watesan banyu （Material） | Tape Ngalangi Banyu | ||||
| Armarming | Materi | Tape baja | |||
| Kekandelan （± 0,03） mm | 0.25 | ||||
| Kabel Messenger | Materi | Untaian baja galvanis | |||
| Ukuran （± 0,05） mm | 2,7mm （0.9 × 7） | ||||
| Web | Materi | MDPE | |||
| Ukuran （± 0,1） mm | 2.0 × 3.0 | ||||
| Lembar Lawasuter | Materi | MDPE | |||
| Kekandelan （± 0.1） mm | 1,5 | ||||
| Lembar Lawasuter | Materi | MDPE | |||
| Kekandelan （± 0.1） mm | 1.7 | 1,8 | 1,8 | ||
| Diameter kabel （± 0,5） mm | 7,2 × 15.4 | 7,6 × 15,8 | 8.0 × 16.2 | ||
| Udan Kabel （± 10） kg | 110 | 115 | 125 | ||
| Min. radius mlengkung | Tanpa Ketegangan | 10,0 × Kabel-φ | |||
| Ing Ketegangan Maksimum | 20,0 × Kabel-φ | ||||
| Suhu suhu （℃） |
Instalasi | -20 ~ + 60 | |||
| Pengangkutan & Panyimpen | -40 ~ + 70 | ||||
| Operasi | -40 ~ + 70 | ||||
Werna Serat
| Ora. | 1 | 2 | 3 | 4 | 5 | 6 |
| Werna |  |
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| Ora. | 7 | 8 | 9 | 10 | 11 | 12 |
| Werna |  |
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| Ora. | 13 | 14 | 15 | 16 | 17 | 18 |
| Werna |  |
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| Ora. | 19 | 20 | 21 | 22 | 23 | 24 |
| Werna |  |
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Sipat serat optik mode tunggal (ITU-T Rec. G.652.D)
| Item | Spesifikasi |
| Jinis serat | Mode tunggal |
| Bahan serat | Siluman dicelup |
| Koefisien attenuasi @ 1310 nm @ 1383 nm @ 1550 nm @ 1625 nm |
£ 0,36 dB / km £ 0,32 dB / km £ 0,22 dB / km £ 0,30 dB / km |
| Discontinuity titik | £ 0,05 dB |
| Dawane kabel sing dipotong | £ 1260 nm |
| Gelombang gelombang penyebaran zero | 1300 ~ 1324 nm |
| Lereng poles-nol | £ 0,092 ps / (nm2.km) |
| Panyebaran kromatik @ 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 (Rata-rata kuadrat *) | £ 0,2 ps / km1 / 2 |
| Diameteripun lapangan mode @ 1310 nm | 9.2 ± 0,4 um |
| Kesalahan concentricity inti / klambi | £ 0,5 um |
| Diameteripun Cladding | 125,0 ± 0.7 um |
| Cladding non-circularity | £ 1.0% |
| Dhiameter lapisan utama | 245 ± 10 um |
| Tingkat tes bukti | 100 kpsi (= 0,69 Gpa), 1% |
| Temperature dependence 0oC ~ + 70oC @ 1310 & 1550nm |
£ 0,1 dB / km |
Aplikasi:
| Ora. | Item | Keperluan | |
| 1 | Rating Tensile | Pamasangan kabel w / o Messenger | 2700N |
| CableResidual w / o Messenger | 800 N | ||
| 2 | Rintangan Resep | Term Short | 1000 (/ 100mm) |
| Suwene | 300 (/ 100mm) | ||
Tandha sarung
Tandha
Kadhangkala ora bisa ditandhani dawa ditandhani yen tandha-tandha tetanggan kasebut jelas.
Loro ujung kabel disegel nganggo tutup mburi sing bakal sithik panas kanggo nyegah ing banyu.
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