OADM(Optical Add and Drop Multiplexing):光分插复用 OAM(Operation Administration and Maintenance):运营管理与维护 OFDM(Optical Frequency Division Multiplexing):光频分复用 ..
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建立完善的ADSL宽带接入维护测试与管理系统、提高用户服务质量已成为运营商在积极推广ADSL业务中迫切需要解决的问题。
Establishing perfect ADSL broadband access maintenance and test management system and improving subscriber service quality have become urgent issues for carriers to popularize ADSL service.
实际使用表明，该系统能提供了AT M布点选址的调查、筛选与评估决策，并对其运营与维护进行有效管理。
It was proved in practice that investigation, filter, evaluation and decision of the site of ATM could be realized in this system, and also management and maintain of ATM could be effective.
运营，维护和管理部分(omap)层提供与数据库管理、电路管理、路由和验证相关的过程。
The Operations, Maintenance and administration Part (OMAP) layer provides procedures related to database administration, circuit management, routing and validation.
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