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:
Beskriuwing
Technyske data
| Oantal kabel | 2 ~ 8 | 10 ~ 12 | 14 ~ 24 | ||
| Fiber Model | G.652D | ||||
| Losse buis | Materiaal | PBT | |||
| Diameter （± 0,06） mm | 2.0 | 2.4 | 2.8 | ||
| Dikte （± 0,03） mm | 0.32 | 0.35 | 0,4 | ||
| Max.Core NO./Tube | 2 ~ 8 | 10 ~ 12 | 14 ~ 24 | ||
| Wetterblokkearjende laach （Materiaal） | Wetterblokkearjende tape | ||||
| Armoring | Materiaal | Stiel tape | |||
| Dikte （± 0,03） mm | 0,25 | ||||
| Messenger Wire | Materiaal | Galvanisearre stielstrang | |||
| Grutte （± 0,05） mm | 2,7 mm （0,9 × 7） | ||||
| reach | Materiaal | MDPE | |||
| Grutte （± 0,1） mm | 2,0 × 3,0 | ||||
| Outer Sheath① | Materiaal | MDPE | |||
| Dikte （± 0,1） mm | 1,5 | ||||
| Outer Sheath② | Materiaal | MDPE | |||
| Dikte （± 0,1） mm | 1.7 | 1.8 | 1.8 | ||
| Kabeldiameter （± 0,5） mm | 7,2 × 15,4 | 7,6 × 15,8 | 8,0 × 16,2 | ||
| Kabel wiet （± 10） kg | 110 | 115 | 125 | ||
| Min. bûgde radius | Sûnder spanning | 10,0 × Kabel-φ | |||
| Under maksimale spanning | 20,0 × Kabel-φ | ||||
| Temperatuer berik （℃） |
Ynstallaasje | -20 ~ + 60 | |||
| Ferfier en opslach | -40 ~ + 70 | ||||
| Operaasje | -40 ~ + 70 | ||||
Fiberkleur
| Nee. | 1 | 2 | 3 | 4 | 5 | 6 |
| Kleur |  |
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| Nee. | 7 | 8 | 9 | 10 | 11 | 12 |
| Kleur |  |
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| Nee. | 13 | 14 | 15 | 16 | 17 | 18 |
| Kleur |  |
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| Nee. | 19 | 20 | 21 | 22 | 23 | 24 |
| Kleur |  |
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De eigenskippen fan ien-modus optyske glêstried (ITU-T Rec. G.652.D)
| Ûnderdiel | Spesifikaasje |
| Fiber type | Single-modus |
| Fiber materiaal | Doped silika |
| Dempingskoeffisient @ 1310 nm @ 1383 nm @ 1550 nm @ 1625 nm |
£ 0.36 dB / km £ 0.32 dB / km £ 0.22 dB / km £ 0.30 dB / km |
| Point diskontinuïteit | £ 0,05 dB |
| Kabel ôfsnien golflingte | £ 1260 nm |
| Nul-fersprieding golflingte | 1300 ~ 1324 nm |
| Nul-fersprieding helling | £ 0.092 ps / (nm2.km) |
| Chromatyske fersprieding @ 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 (Quadrature gemiddelde *) | £ 0.2 ps / km1 / 2 |
| Mode fjilddiameter @ 1310 nm | 9,2 ± 0,4 um |
| Kern / klaaide konsentrisiteitsflater | £ 0,5 um |
| Bekledingsdiameter | 125,0 ± 0,7 um |
| Kladde net-sirkulariteit | £ 1.0% |
| Primêre coating diameter | 245 ± 10 um |
| Proef testnivo | 100 kpsi (= 0,69 Gpa), 1% |
| Temperatuerôfhinklikens 0oC ~ + 70oC @ 1310 & 1550nm |
£ 0,1 dB / km |
Oanfraach:
| NEE. | Ûnderdiel | Eask | |
| 1 | Trekwurdearring | Kabel ynstallaasje w / o Messenger | 2700N |
| CableResidual w / o Messenger | 800 N | ||
| 2 | Krúswjerstân | Koarte termyn | 1000 (/ 100mm) |
| Lange termyn | 300 (/ 100mm) | ||
Sheath markearring
De kleur fan marking is wyt, mar as de opmerking needsaaklik is, sil de white colour marking nij yn in oare posysje wurde printe.
In tafallich ûndúdlik fan lingmarkearring is tastien as beide fan 'e oanbuorjende markearingen dúdlik binne.
Beide kabeleinden wurde ôfsletten mei hjittekrimpbere einkappen om wetteryntreden te foarkommen.
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