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由于电子学线路费用的庞大,过去几年里光纤设备对于电话干线已变成基本实用的设备。然而,最近几家私营公司对光纤的保密性和宽带发生了兴趣。依靠通信进行业务处理的几家公司日益发现纤维光学用于局部环路的经济性。纽约电话公司出售了三套这样的系统用于曼哈顿办公楼之间的数据、声频和视频传输。 Merrill Lynch是第一个购买6.3兆比特/秒多路系统进行财务数据传输及处理的金融事务的主
Due to the huge cost of electronics, fiber optic equipment has become a basic and practical device for telephone trunks over the past few years. However, several private companies recently became interested in optical fiber confidentiality and broadband. Several companies that rely on communications for business operations are increasingly finding the economics of fiber optics for local loops. New York Telephone Company sold three such systems for data, audio and video transmission between Manhattan office buildings. Merrill Lynch is the first major financial affiliate to buy 6.3 Mbit / s multiplexed systems for financial data transfer and processing