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NEC Qualifies 20 Fiber Pair Subsea Telecom Cable Systems, with Further Advances Soon

机译:NEC符合20个光纤对海底电信电缆系统,很快进一步推进

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NEC Corporation and its subsidiary OCC Corporation announced that they have completed full qualification of subsea repeaters and optical cable containing up to 20 fiber pairs (40 fibers). This is a 25% improvement in fiber count over 16 fiber pair systems previously built by NEC. This development allows cable owners worldwide to construct subsea telecom cables capable of the highest traffic capacity while optimizing the cost per bit of the wet plant. NEC achieved this milestone with only minor modifications to its proven repeater and cable designs. This was done by optimizing key repeater components, and by proving that its existing cable design could easily accommodate more fibers. The 20 fiber pair repeaters continue to use quadruple pump sharing technology, first introduced by NEC in 2010, for high optical and electrical efficiency. OCC's 20 fiber pair cable can be manufactured using a wide range of existing optical fibers, according to the needs of each new cable system. Furthermore, OCC has demonstrated to its customers that they can visually identify individual fibers using a combination of ring marking and conventional fiber coloring. This allows the potential number of fibers in a cable to be greatly expanded. Significantly, in OCC cable, the fiber's transmission performance is completely unaffected, either by the fiber coloring or cabling processes.
机译:NEC公司及其子公司OCC公司宣布,他们已经完成了全面的海底重复使用者和含有多达20个纤维对(40纤维)的光缆的全部资格。这是由NEC以前构建的16个纤维对系统的光纤计数的提高25%。该开发允许全球的电缆所有者构建能够获得最高交通能力的海底电信电缆,同时优化湿植物的每位成本。 NEC达到了这个里程碑,只有对其经过验证的中继器和电缆设计的微小修改。这是通过优化关键转发器组件来完成的,并证明其现有的电缆设计可以容易地容纳更多的纤维。该20纤维对中继器继续使用四元泵共享技术,首先于2010年首次推出,用于高光学和电效率。根据每个新电缆系统的需求,可以使用各种现有光纤制造OCC的20个纤维对电缆。此外,OCC已经证明其客户,他们可以使用环标记和常规光纤着色的组合在视觉上识别单个纤维。这允许电缆中的潜在纤维数大扩展。值得注意的是,在OCC电缆中,光纤的传输性能完全不受光纤着色或电缆工艺的影响。

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    《Japan Telecom》 |2020年第1期|6-7|共2页
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