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本文对四川省邮电科研所研制和生产的ZZD85型集成环路载波设备主要功能作了介绍.并通过几年来对该系列设备的安装、调测及维护,总结出了一些经验;对保证设备安装质量、提高安装速度,提出了相应要求和对策;同时对不同使用方式、不同线况及杆路交叉程式等情况和典型例子给予了介绍;特别对11类故障现象,可能发生原因及处理方法逐项作了详述.
In this paper, the main functions of ZZD85 integrated loop carrier equipment developed and produced by Sichuan Posts and Telecommunications Scientific Research Institute are introduced, and some experiences have been summarized through installation, commissioning and maintenance of this series of equipment in recent years; Quality and improve the speed of installation, put forward the corresponding requirements and countermeasures; at the same time on different modes of use, different line conditions and cross the road program and other examples and typical examples are given; especially for 11 kinds of fault phenomena, the possible causes and treatment methods Item was detailed.