💯
University Notes
  • Introduction
  • High Level Math
    • Function, limitation, and continuity
      • What is function?
      • Two kinds of infinity
      • The limitation of a function
      • A model for getting limitation
    • Derivative and differential
      • Formulas of derivative
      • Use derivative formula
      • Goes deeper
      • Use derivative
        • Function analyzing in theory
          • First derivative
          • Second derivative
          • Domain and Extreme Value
          • Overall change
        • Derivative use in reality
    • Integration
      • Indefinite integral
        • Basic formulas
        • Use formula
        • Goes deeper
        • Integration by parts
      • Definite integral
        • Properties of definite integral
        • Second fundamental theorem of calculus
        • Multi-method for solving definite integral
    • Multivariable calculus
      • Limitation
      • Partial derivatives
      • Differential
      • Multiple integral
    • Series
    • Linear algebra
    • GaoKao
      • 1
      • The road for starting
      • Polar Coordinates
      • Tangent Line
  • Electrical Engineering
    • The Terminologys
    • DC
      • The circuit rule
      • KCL and KVL
      • Superposition
    • AC
      • Intuition
      • Resistor
      • Inductor
      • Capacitor
      • AC circuit
      • 三相电
        • 星形联结
        • 三角形联结
        • 实际电路
    • Voltage and Current Rule in Circuit
    • Response
      • Foundations
      • 零输入响应
      • 零状态响应
      • 一阶电路的全响应
  • Analog Electronics
    • Technical terms 1
    • DC stable source circuit 的分析与应用
      • 二极管的特性与应用
        • 半导体
        • PN junction
        • Diode
        • 测试二极管
      • 整流滤波电路的分析与应用
        • Rectifier circuit
      • 直流稳压电路的分析
        • Zener diode
        • Shunt voltage regulators
    • Thyristor
    • Technical terms 2
    • Amplifying circuit
      • Bipolar Junction Transistor
      • Common Emitter Configuration
      • Biasing
      • Analysis
      • Mess
      • Negative-feedback amplifier
      • Integrated Operational Amplifier
    • Algorithms
      • What's the ouput of a voltage rectifier circuit
      • PNP or NPN
      • Judging the state of a BJT
      • What's common in BJT
      • Does a amplifying circuit normal
      • What's the feedback type
      • What kind of distortion you are encounter
  • Digital Electronic Technology
    • Logic Gate
    • Logic expressions
    • Karnaugh map
    • Number system
    • Multiplexer
    • Flip-flop
  • Principles of Communications
    • Overviews
    • PCM
    • HDB3
    • Modulations
    • Cyclic code
  • Data Communications and Networking
    • Something about IPv4
  • Micro Control System 51 Series
    • The Delay function
    • The Interrupt function
  • Maintenance of Railway Optical Cable Lines
    • Questions
    • Pictures
  • Mobile Communications
    • Concepts
    • Coding and Modulation
    • Key Technologies
    • Mobile communication network structure
    • Radio wave Propagation and Interference
    • GSM
    • CDMA
    • GPRS
    • 3G
    • 4G
    • Base Station Maintenance
  • Multimedia Communication
    • Concept of Multimedia
    • Compression
    • Lossless Compression
    • Audio
    • Lossy Audio Coding
    • Graph Compression
    • All for the exam
  • Power system for Communication Devices
    • Overview
    • AC power Distribution Panel
    • UPS
    • HF Switched-mode Power Supply
    • Battery
    • Earthing or Use Lightning Arrester
    • Power Supply Monitoring System
    • All for the exam
  • Optical fiber Communication system
    • What is Optical fiber Communication system
      • Prepare
      • Something About Optical fiber
      • Passive Optical Devices
      • Active Optical Devices
      • Optical transmitter Test
      • Optical receiver Test
      • Compose an Optical Communication System
    • SDH (Synchronous Digital Hierarchy)
      • Frame Structure of SDH
      • SDH Equipments
      • Clock System
      • ZXONM E300 Practice
      • SDH protection
    • WDM (Wavelength-Division Multiplexing)
    • OTN (Optical Transport Network)
      • OverHead of OTN
      • OTN Alarms & Errors
      • Do it again, what's happened?
  • Communication Tech English
    • Fundamentals of Electricity
    • Digital Communications
    • Optical Communications
  • High-speed railway Communication Technology
    • Overview
    • Base Knowledge
    • FH98
    • MDS3400
    • Everything is for the exam
  • GSM for Railway
    • Overview
    • Wired Parts
    • Digital dispatch Communication System
    • Basic Knowledge of GSM-R
    • Key technologies for GSM-R
    • Structure of GSM-R
    • GSM-R Network Mode
    • Wireless Channels for GSM-R
    • Mobility Management
    • Connection Management
    • Security Management
    • GPRS
    • GSM-R/GPRS Wireless Access Platform
    • GSM-R Features
    • GSM-R Numbering Plan
    • ASCI
  • Network Configuration Training
    • Words I have learned
  • Broadband Access Technology
    • Using Copper Line
    • Using Optical Fiber
    • Wireless
    • All for the test
  • CIR
    • Basci Knowledge
    • Testing Equipment
    • The Structure of CIR
    • All for the exam
  • LTE
  • Script for ChaoXing
  • Transmission and access network
Powered by GitBook
On this page
  • 主要设备
  • 硬件框架
  • OSN 2500
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • OSN 3500
  • 光板上的指示灯
  • 中兴s385
  • 主要的板子
  • 光板上的指示灯
  • 光源、光功率计
  • 检查光模块的方法
  • ODF架的命名方式
  • OTDR
  • 波长
  • 距离
  • 脉宽
  • 时间

Was this helpful?

Transmission and access network

主要设备

中兴设备: zx s385; s330

华为设备: OSN 2500; 3500; 7500

硬件框架

  • 传输大机柜

  • ODF(Optical Distribution Frame) - 光纤

  • DDF(Digital Distribution Frame) - 2M线

  • VDF - 网线

光纤主要用于构成环(我指站与站之间的连接),而同轴线或者网线则用于连接具体的设备。

OSN 2500

1

D75S: 2M线路

PQ1: 2M出线板

共同完成2M业务的处理。

2

EFSOA: 以太网

ETS8: 以太网出线板

共同完成以太网业务的接入与转发

向SDH做映射

3

光板

  • STM-1, 155M

  • STM-4, 622M: 用于高铁或基站

  • STM-16, 2.5G: 用于车站

  • STM-64, 10G: 用于大站或者传输室

4

CSA主控板

用于通信控制、业务调度,提供时钟、信号处理。

5

PIUB电源板

6

SAP辅助板

含COM调试口

含ETH网管口

OSN 3500

光板上的指示灯

STAT

指示硬件状态

  • 绿灯常亮: 正常

  • 红灯闪烁: 单板与槽位不匹配

  • 红灯常亮: 硬件故障

ACT

指示主备用状态

  • 绿灯常亮: 主用

  • 绿灯灭了: 备用

PROG

指示软件状态

  • 绿灯常亮: 正常

  • 绿灯闪朔: 初始化加载中

  • 红灯常亮: 单板初始化失败

SRV

指示告警信息

  • 亮红色: 严重

  • 亮黄色: 一般

  • 亮绿色: 正常

SYNC

指示同步时钟工作状态

  • 绿灯常亮: 锁定

  • 红灯常亮: 保持或者自己震荡

ALMC

2500特有,指示业务告警切除指示灯

中兴s385

这个设备有点老,没找到文档

主要的板子

1

2M接口板: ESE1x63

支路板: EPE1x63

2

以太网接口板: ESFEx8

处理板: SEE

3

光板

  • OL16 (2.5G)

  • OL4x2 (622M)

4

CSA交叉时钟板

5

电源板 QxI

用于提供-48V电源

6

ENCP板 (主控板),E is enhenced.

有ETH网管接口、COM调试口

光板上的指示灯

NOM

  • 绿灯闪烁: 正常

ALM1

是黄色的灯

  • EPE1/SEE -> 单板倒换

  • ENOP/CSA -> 一般告警

  • OL16/OL4x2 -> 初始化

ALM2

是红色的灯

  • EPE1/SEE -> 光板有告警

  • ENCP/CSA -> 严重告警

TX or RX

TX: 发

  • 亮: 发送信息中

  • 灭: 没有信息发送

RX: 收

  • 亮: 接收信息中

  • 灭: 没有接收信息

  • 闪烁: 有误码

TCS

时分交叉模块在位状态

  • 常亮: 在位

  • 闪亮: 在位且工作正常

MS

指示主备用状态

CKS1, CKS2

时钟的工作状态指示灯

CKS1

CKS2

Status

ON

ON

锁定(时钟处在track状态,正在接收其他设备给的时间)

ON

OFF

保持

OFF

ON

快速捕捉

OFF

OFF

自由震荡

光源、光功率计

检查光模块的方法

自发自收。(线路中间要加衰减器)

ODF架的命名方式

每个框有ABCD四行光纤。

第一柜A12,指第一柜第一行第12根光纤。

OTDR

波长

  • 1310nm: 30KM以下

  • 1550nm: >=30KM

距离

比要测试的光纤的距离大1.5~2倍。

脉宽

距离(量程)的10倍。

时间

最小30秒

大于50KM,测1分钟

PreviousScript for ChaoXing

Last updated 4 years ago

Was this helpful?

https://www.grsey.com/wp-content/uploads/2018/08/01-OSN3500-Technical-Manual-System-Description.pdf