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First Single Core Cable for Underground FTTH Cabling
2012-03-23
Japan's Asahi Shimbun News: Sumitomo Electric has developed a cable for household optical fiber communication lines suitable for underground wiring. For the beauty of the urban environment and more charming sightseeing scenery, cable grounding engineering is becoming more and more important, and underground wiring is also increasingly concerned. At the same time, it is increasingly important to improve work efficiency, shorten the working time of taking out the core wire by 60%, and improve work efficiency.
The single-core optical cable for underground FTTH developed by Sumitomo Electric is formed by bundling optical fibers with a diameter of 0.5mm. There are three varieties of "40-core cable trough" with price advantage and 40-core cable trough and 100-core cable trough used in cold areas. No matter how the fiber is bent, the loss is relatively small, reaching the cable diameter.
The cable makes single-core transmission possible and prevents the occurrence of shunt losses. The tape shape of the harness core is reconsidered to make the appearance more beautiful. The operating time to remove the ribbon from the slot is reduced by 60% compared to the original, which improves work efficiency.
Connecting the fiber to the home through an underground cable requires removing the ribbon from the slot and removing the coating. The project will have a maximum of 3 shunt losses. According to the company, this is the first single-core cable suitable for underground FTTH wiring.
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