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荷兰Berk-Tek公司已研制了一种新的适于安装在大楼夹层中用的双芯光缆。该光缆与早期的双芯护套电缆相比,其主要优点是:提高了柔软性;重量降低50％;工作温度范围较宽;衰减较低和连接方便。该产品所用的新技术包括高级阻燃材料和900μm紧包缓冲的可撕结构。结果是经济效益极高,适于安装在大楼夹层中的光缆,事实上已相当于该公司所生产的
Berk-Tek, the Netherlands, has developed a new dual-core cable suitable for installation in the mezzanine of a building. The main benefits of this cable compared to earlier dual-core sheathed cables are: increased softness; 50% lower weight; wider operating temperature range; lower attenuation and ease of connection. The new technologies used in the product include advanced flame retardant materials and 900 μm tight-pack tear-off structures. The result is an extremely cost-effective fiber optic cable suitable for installation in a mezzanine level, in fact equivalent to what the company produces