| 摘要: |
| 本文介绍了所设计的基于ATM的ADSL局端接入系统，阐述了其功能组成和工作过程，并对ATU－C电路进行了全面分析。 |
| 关键词: ATM ADSL 异步传输模式网 局端接入系统 非对称数字用户线路 离散多音频 中心控制 |
| DOI：10.3969/j.issn.1001-893X. |
| Revised:June 17, 2002 |
| 基金项目: |
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| Design of ADSL Central Office Access System over ATM |
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| Abstract: |
| A design of ADSL central-office access system over ATM is presented. The functions and operation principle of this system are described, and the ATU-C (ADSL Transmission Unit-Central) circuit is also completely analyzed in this paper. |
| Key words: ATM network,Central office access system,ADSL,DMT,Central-control |
