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作为主要承包者,STC海底系统公司已获得了一份3.5亿美元的定货单,将提供连接英国和美国的第一条私营的横跨大西洋光纤电信系统(PTAT-1)。该系统由电缆和无线公司及美国的电报-OPTIK公司定购,也是第一个把越洋光纤系统承包给单个承包商的合同,计划于1989年6月投入使用。 PTAT-1的水下光缆段总长度在7000km以上。它包括三个工作的光纤对和一个备用对,该备用对可分段切换到工作状态,以确保所要求的工作对在无需船只修理的情况下继续工作。全部配备了辅助对,以便
As a major contractor, STC Subsidiary Systems has secured a US $ 350 million order form to provide the first privately-owned Transatlantic Fiber Optic Telecommunications System (PTAT-1) to connect the United Kingdom and the United States. The system was ordered by cable and wireless companies and US cable-OPTIK, and the first contract to outsource transoceanic fiber systems to a single contractor, scheduled to come on stream in June 1989. The total length of PTAT-1 submarine cable segment is above 7000km. It consists of three working pairs of optical fibers and one spare pair that can be switched to a working state in stages to ensure that the required work pair continues to work without vessel repair. All equipped with auxiliary pair, so