Power back-off to VDSL2 is divided into upstream power back-off (UPBO) and downstream power back-off (DPBO).

功率回退分为上行功率回退(upbo)和下行功率回退(DPBO)。

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Focus on the design and implementation of the VDSL2 interface management module, which is a new software module compared with ADSL2 +.

重点描述了VDSL2接口管理模块的设计和实现，对于ADSL2 +软件架构而言，它是一个全新的软件模块。

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This paper will make a study of VDSL2 technology and application from the following three aspects, in order to improve the performance of VDSL2 systems.

本文从以下三个方面对VDSL2的技术和应用展开研究，改善VDSL2系统的性能。

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