| PCM设备维护实例四则 |
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| 引用本文： | 樊剑辉,宋广千.PCM设备维护实例四则[J].电力系统通信,2005,26(10):73-75. |
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| 作者姓名： | 樊剑辉 宋广千 |
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| 作者单位： | 国电通信中心,北京,100761 |
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| 摘 要： | PCM设备是电力通信网中重要的接入设备,在电力调度通信自动化系统中起着重要的作用.文章简单介绍了PCM的基本类型和工作原理,重点介绍了电力系统中常用的时分复用PCM设备的工作原理,笔者结合维护通信设备的经验,对PCM设备实际运行中出现的4种故障进行了精辟的分析,目的是希望能够为广大电力系统通信专业人员的日常维护工作提供一些经验参考.
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| 关 键 词： | PCM设备 维护 经验 |
| 文章编号： | 1005-7641(2005)10-0073-03 |
| 收稿时间： | 2005-03-29 |
| 修稿时间： | 2005-05-12 |
Four examples of PCM device maintenance |
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| FAN Jian-hui,SONG Guang-qian.Four examples of PCM device maintenance[J].Telecommunications for Electric Power System,2005,26(10):73-75. |
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| Authors: | FAN Jian-hui SONG Guang-qian |
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| Affiliation: | State Power Telecom Center, Beijing 100761 ,China |
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| Abstract: | PCM is an important access device for power communication network, and it plays an important part in electric power communication and automation system. The paper introduces the basic type and operation principle of PCM briefly, and the operation principle of TDM of PCM device in electric system is emphasized. Combining the experience of maintaining communication equipment, four kinds of fault appeared in PCM equipment and their solving methods are analyzed in this paper too, the purpose of this paper is to offer some maintenance experience for professional personnel worked in power communicate system. |
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| Keywords: | PCM device maintenance experience |
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