ADSS engineering design is a complicated system engineering, deal with mechanical, electric, climatic and geographic factors and the specialized subjects of line, mechanical, optical fiber and cable.

ADSS工程设计是一项综合性的系统工程，涉及到机械、电气、地理、气候等因素以及线路、机械、光纤光缆等专业。

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There are many communication modes in remote monitoring system, such as optical fiber, wireless transmission, cable mode, power line carrier, etc.

远程在线监测系统可以选择多种通信方式：光纤、无线、电缆、电力线载波等等。

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This paper introduces the principle and transformation situation of replacing cable with optical fiber for DC1500V intertrip signal transmission in Dalian Express Rail Transit No. 3 Line.

本文详细介绍了大连快轨三号线牵引供电系统中直流1500V联跳信号的传输由电缆改为光缆的原理和改造情况。

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