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:
Bayanin
Bayanan fasaha
| No. na USB | 2 ~ 8 | 10 ~ 12 | 14 ~ 24 | ||
| Misalin Fiber | G.652D | ||||
| Sako daga Tube | Kayan aiki | PBT | |||
| Diamita （± 0.06） mm | 2.0 | 2.4 | 2.8 | ||
| Lokacin farin ciki （± 0.03） mm | 0.32 | 0.35 | 0.4 | ||
| Max.Core NO./Tube | 2 ~ 8 | 10 ~ 12 | 14 ~ 24 | ||
| Ruwa tarewa Ruwa erial Material） | Rufe bututun ruwa | ||||
| Yin tsere | Kayan aiki | Kayan Karfe | |||
| Lokacin farin ciki （± 0.03） mm | 0.25 | ||||
| Manzo Waya | Kayan aiki | Galvanized baƙin ƙarfe | |||
| Girma （± 0.05） mm | 2.7mm （0.9 × 7） | ||||
| Yanar gizo | Kayan aiki | MDPE | |||
| Girma （± 0.1） mm | 2.0 × 3.0 | ||||
| Majanna Sheath① | Kayan aiki | MDPE | |||
| Lokacin farin ciki （± 0.1） mm | 1.5 | ||||
| Majanna Sheath② | Kayan aiki | MDPE | |||
| Lokacin farin ciki （± 0.1） mm | 1.7 | 1.8 | 1.8 | ||
| Cable diamita （± 0.5） mm | 7.2 × 15.4 | 7.6 × 15.8 | 8.0 × 16.2 | ||
| Wetght na USB （± 10） kg | 110 | 115 | 125 | ||
| Min. radiyo mai lanƙwasa | Ba tare da Tashin hankali ba | 10.0 × Na USB-φ | |||
| A Karshen Tashin hankali | 20.0 × Na USB-- | ||||
| Zazzabi zazzabi （℃） |
Shigarwa | -20 ~ + 60 | |||
| Sufuri & Kare | -40 ~ + 70 | ||||
| Aiki | -40 ~ + 70 | ||||
Launin Fiber
| A'a. | 1 | 2 | 3 | 4 | 5 | 6 |
| Launi |  |
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| A'a. | 7 | 8 | 9 | 10 | 11 | 12 |
| Launi |  |
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| A'a. | 13 | 14 | 15 | 16 | 17 | 18 |
| Launi |  |
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| A'a. | 19 | 20 | 21 | 22 | 23 | 24 |
| Launi |  |
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Abubuwan da ke tattare da fiber na gani-da-waya (ITU-T Rec. G.652.D)
| Abu | Musammantawa |
| Nau'in fiber | Single-yanayin |
| Kayan fiber | Doped silica |
| Marassa karfi sosai @ 1310 nm @ 1383 nm @ 1550 nm @ 1625 nm |
£ 0.36 dB / km £ 0.32 dB / km £ 0.22 dB / km £ 0.30 dB / km |
| Alamar yanke hukunci | £ 0.05 dB |
| Lewanƙarar katako na kebul | £ 1260 nm |
| Zirin-watsawa watsawa | 1300 ~ 1324 nm |
| Zero-watsawa yanki | £ 0.092 ps / (nm2.km) |
| Tsarin da ke cikin Chromatic @ 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 (Matsakaicin matsakaici *) | £ 0.2 ps / km1 / 2 |
| Matsar filin filin @ 1310 nm | 9.2 ± 0.4 um |
| Kuskurewar Core / Clad | £ 0.5 um |
| Matsakaicin Cladding | 125.0 ± 0.7 um |
| Cladding mara karfi | £ 1.0% |
| Da farko diamita shafi | 245 ± 10 um |
| Matakin gwajin tabbaci | 100 kpsi (= 0.69 Gpa), 1% |
| Zazzabi dogara 0oC ~ + 70oC @ 1310 & 1550nm |
£ 0.1 dB / km |
Aikace-aikacen:
| KADA. | Abu | Bukatar | |
| 1 | Kimantawa | Cable shigarwa na w / o Messenger | 2700N |
| CableResidual w / o Messenger | 800 N | ||
| 2 | Resistance Crush | Makon Gaggawa | 1000 (/ 100mm) |
| Tsawon Lokaci | 300 (/ 100mm) | ||
Alamar alama
launin launi alama ce fari, amma idan ambaton ya wajaba, za a buga sabon farin launi a wani wuri dabam.
An ba da izinin rashin daidaituwa na alama akan lokaci idan alamun alamun makwabta sun bayyana.
Duk waɗannan kebul na ƙarshen an hatimce su tare da ƙarshen ɗumbin zafi don hana ruwa ruwa.
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