管理层采用普通以太网技术，应用TCP/IP 协议，以达到数据的高速大量传输。

The management layer adopts the technology of general Ethernet with TCP/IP protocol to transmit data in a high speed.

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以太无源光网络(EPON)结合了以太网技术和无源光网络技术的优势，能够以较低的价格实现高速接入。

Etherent passive optical network (EPON) has combined the advantages of Ethernet and passive optical technology. High speed accessing at lower price has been realized in this way.

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