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1·EOC technology is used to link ONU and users.

ONU与用户之间的连接采用EOC技术，EOC客户端设备布局在用户室内。

2·When registered, the ONU ignores all gate messages where the discovery flag is set.

在注册的时候，ONU将忽略所有已设置发现标志的GATE消息。

3·The transmitting window of an ONU is indicated in GATE message where start time and length are specified.

GATE消息指示onu的发送窗口，包括窗口的开始时间和长度。

4·So, this paper can be summarized into four aspects: (1) ONU auto discovery and register contention solution.

归纳起来，论文主要包括以下四个方面：(1)ONU的自动发现以及注册冲突避免。

5·The communications equipment, including EPON communications equipment (OLT, ONU) and power line carrier communication equipment.

通信设备主要包括EPON通讯设备(olt、onu)及电力线载波通信机。

6·Upon receipt of the REGISTER_ACK, the discovery process for that ONU is complete, the ONU is registered and normal message traffic can begin.

当接收到REGISTER_ACK，该ONU的发现进程完成，该ONU注册成功并且可以开始发送正常的消息流。

7·An ONU will conclude its transmission with sufficient margin to ensure that the laser is turned off before the grant length interval has elapsed.

ONU将给结束发送留有足够的余量，从而保证在授权长度间隔用完前关闭激光器。

8·In the EPON system, for the received buffer limit, frame loss often appears in either OLT or ONU, but now some existing methods are not efficient to solve it .

在EPON系统中，由于接收缓存区深度的限制，OLT和ONU中将经常出现不同程度的帧丢失现象，通过分析可以发现现有的一些机制对解决这个问题不是很有效。

9·The dissertation includes technique background of GPON, protocol summary, function architectures of OLT and ONU, DBA (dynamic band allocation) algorithm and so on.

本文概括描述了GPON技术的背景、标准协议的概述、系统中olt和ONU的功能结构和动态带宽分配算法。

10·RSOA can work as both optical amplifier and modulator. Its high performance meets the demand of high-speed optical communication system and simplifies the ONU system.

RSOA作为新型的光放大器和调制器的结合，其性能可以达到高速光通信系统的要求，利用RSOA可以简化onu系统的复杂度。