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海底光缆系统正急剧增多,到1997年,开通和计划的系统有200多个。对海底光缆系统的投资将以20％的年增长率上升,从1991年的30多亿美元增加到1997年的125亿美元。据罗得岛纽波特的一家咨询公司(KMI)估计,海底光缆系统的总投资将达166.3亿美元。 John N. Kessler经理说,海底光缆系统增多的原因是有机会获得巨大利润。35年来,海底光缆系统的成本虽然略微上升,但其传输容量却提高了3个数量级。例如,1956年的第一条横跨大西洋系统(TAT-1),其成本不到0.5亿美元,容纳50个话路,寿命达24年。根据这两个数据(不包括维护费用和管理费用),每年
Submarine cable systems are rapidly increasing, and by 1997 more than 200 systems had been opened and planned. Investment in undersea fiber-optic cable systems will rise at an annual rate of 20%, from over $ 3 billion in 1991 to $ 12.5 billion in 1997. A consulting firm based in Newport, Rhode Island (KMI) estimates that the total investment in submarine cable systems will amount to $ 16.63 billion. Manager John N. Kessler said the reason for the proliferation of submarine cable systems is the opportunity to make huge profits. For 35 years, the cost of a submarine cable system has risen slightly, but its transmission capacity has increased by 3 orders of magnitude. For example, the first Transatlantic System (TAT-1) in 1956 cost less than $ 500 million to house 50 telephones for a life span of 24 years. According to these two data (excluding maintenance costs and management fees), each year