CN105981312A - 一种无源光网络设备 - Google Patents

一种无源光网络设备 Download PDF

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Publication number
CN105981312A
CN105981312A CN201480008427.4A CN201480008427A CN105981312A CN 105981312 A CN105981312 A CN 105981312A CN 201480008427 A CN201480008427 A CN 201480008427A CN 105981312 A CN105981312 A CN 105981312A
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transmitter
optical
optical signal
wavelength
pon
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CN201480008427.4A
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CN105981312B (zh
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李胜平
杨素林
刘德坤
叶志成
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)

Abstract

本发明实施例提供了一种PON设备、光线路终端、光网络单元和光网络终端，用以解决目前在PON中嵌入具有OTDR功能的模块后，在不对PON进行测试和维护时，发送的数据信号会有一定的损失的问题。该PON设备中的第一控制器，用于在检测或维护无源光网络时控制所述第一发射器发射测试波长的光信号，并在通过所述无源光网络通信时控制所述第一发射器发射数据波长的光信号，所述数据波长不等于测试波长；第一滤波器，用于将测试波长的光信号中的c％反射，以及将所述测试波长的光信号中的d％透射，并将数据波长的光信号全部透射；其中，c，d均为大于0的实数，c％+d％＝1。

Description

PCT国内申请，说明书已公开。

Claims (12)

  1. PCT国内申请，权利要求书已公开。
CN201480008427.4A 2014-12-12 2014-12-12 一种无源光网络设备 Active CN105981312B (zh)

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PCT/CN2014/093710 WO2016090634A1 (zh) 2014-12-12 2014-12-12 一种无源光网络设备

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CN105981312A true CN105981312A (zh) 2016-09-28
CN105981312B CN105981312B (zh) 2019-06-14

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WO (1) WO2016090634A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112583476A (zh) * 2019-09-27 2021-03-30 华为技术有限公司 光网络终端、光纤测试方法以及终端

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0787020A (ja) * 1993-09-10 1995-03-31 Furukawa Electric Co Ltd:The 光伝送路の監視方法
CN102324971A (zh) * 2011-09-02 2012-01-18 中兴通讯股份有限公司 一种光模块和光程检测方法
CN202127400U (zh) * 2011-06-14 2012-01-25 青岛海信宽带多媒体技术有限公司 带光时域反射功能的光线路终端光电器件
CN103229432A (zh) * 2012-12-24 2013-07-31 华为技术有限公司 光纤特性测量方法和光模块

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011007298A1 (en) * 2009-07-15 2011-01-20 Pmc Sierra Israel Ltd. Passive optical network (pon) in-band optical time domain reflectometer (otdr)
CN102098098B (zh) * 2009-12-14 2014-09-10 中兴通讯股份有限公司 一种检测无源光网络光纤故障的系统

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0787020A (ja) * 1993-09-10 1995-03-31 Furukawa Electric Co Ltd:The 光伝送路の監視方法
CN202127400U (zh) * 2011-06-14 2012-01-25 青岛海信宽带多媒体技术有限公司 带光时域反射功能的光线路终端光电器件
CN102324971A (zh) * 2011-09-02 2012-01-18 中兴通讯股份有限公司 一种光模块和光程检测方法
CN103229432A (zh) * 2012-12-24 2013-07-31 华为技术有限公司 光纤特性测量方法和光模块

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112583476A (zh) * 2019-09-27 2021-03-30 华为技术有限公司 光网络终端、光纤测试方法以及终端
CN112583476B (zh) * 2019-09-27 2022-05-17 华为技术有限公司 光网络终端以及光纤测试方法

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WO2016090634A1 (zh) 2016-06-16
CN105981312B (zh) 2019-06-14

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