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目前光纤多少钱一米？

目前光纤多少钱一米？

浏览：146次 | 提问时间： 08-06 11:42

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5个答案

怎如初 08-06 11:43

常用的普通单模光缆大约0.15元/米做成单芯光缆，大约1元/米，光纤在通信中传输光信号，光纤带宽大，衰减小

代我长发及腰已成千年老妖 08-06 11:51

你好，你可以去网上查一下，谢谢！

穿碍 08-06 12:00

那种散装的比较便宜，1块多钱就可以买到的

祁樊 08-06 12:08

果不做成光缆，常用的普通单模光缆大约0.15元/米。做成单芯光缆，大约1元/米。光纤在通信中传输光信号。光纤带宽大，衰减小。我们现在通信这么发达，如果没有光纤是不可能的。光纤的石英玻璃外径为125微米，相当于头发丝粗细。而传光的芯子只有8.2微米。芯子的折射率高，因此光可以在光纤芯子全反射传输。一般通信使用的光纤都是单模光纤。多模光纤只占光纤市场的5%左右。不久的将来，现在的ADSL宽带将会被FTTH宽带代替。那时候光纤就通到你家里了。目前我国也有许多FTTH项目。

光 08-06 12:16

1、光纤现在是很便宜。早些年2000年左右，国内各宽带运营商大规模*建网，导致当时光纤市场需求旺盛，价格昂贵。近几年，产能非常过剩，光纤需求也降低，所以价格很便宜。一般就几块钱每米的价格。（双绞线还还有铜呢，当然贵了）2、光纤主要分单模和多模区分，主要差异在于传输距离。一般多模500M范围内，之上就要用单模。同时，无论多模、单模，均有不同芯数的规格，从2芯\4\6\8\12\16\24\32等芯数均有。价格不同芯数也有差异。一般铺设光缆时，除了要使用2芯外，都要预留几对芯做备份或者未来扩展其他业务使用。3、向你所讲的200M需求，多模光缆即可满足。建议使用8芯光缆，2芯使用，另外3对备份扩展。反正也不贵，多留几对总是有好处的。4、如果选了多模光纤，注意两边连接的网络设备，对应也要配多模光纤跳线及对应的多模的GBIC或mini-GBIC接口卡。反之，单模也要按照单模选配。我知道2芯一般2元/米,8芯一般是3元/米，4芯估计就2元多一些了。

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