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泰国电话组织和泰国暹罗通信当局计划于1987年春某时签订一项1亿美元的合同,把泰国的铜线模拟电话网更新为光纤网。泰国电话组织和泰国通信当局计划的1800km的光纤网,以34Mb/s和140Mb/s速率工作。泰国的旧的铜线电话干线是1967年至1969年间,由西德的斯图加特Standard Elektrik Lorenz AG公司为泰国电话组织安装的。虽然日本富士通有限公司和NEC公司反复作了修改,但该电话系统还是处于落后状态。光纤网将于1987年夏秋季安装好,然后经试验,在1988年初将接通。据西德Standard Elektrik泰国
The Thai Telephone Group and the Thai Siam Communications Authority plan to sign a $100 million contract in the spring of 1987 to update Thailand’s copper analog telephone network to a fiber-optic network. The 1800km fiber network planned by the Thai Telephone Organization and the Thai Communications Authority operates at 34Mb/s and 140Mb/s. The old copper trunk line in Thailand was installed by Thailand’s telephone organization from Standard Elektrik Lorenz AG, Stuttgart, West Germany from 1967 to 1969. Although Japanese Fujitsu Limited and NEC have repeatedly made changes, the telephone system is still lagging behind. The fiber optic network will be installed in the summer and fall of 1987 and will be tested and will be switched on in early 1988. According to West Germany Standard Elektrik Thailand