NEC微波传输系统（中文资料）

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【威尼斯人】：NEC微波传输系统（中文资料）

【威尼斯人】：NEC 无线威尼斯人官方网站有限公司

【威尼斯人】：2007

【威尼斯人】：中文

【威尼斯人】：DOC

【威尼斯人】：

目 录

缩略语表.........… .. .................................................................….....................................i

1. 介绍.......................................................................................................................................1

2. 特征.......................................................................................................................................3

2.1 先进的技术.........................................................................................................................3

2.2 高系统增益.........................................................................................................................3

2.3 安装简单快速.....................................................................................................................3

2.4 频率调谐方便.....................................................................................................................3

2.5 系统灵活............................................................................................................................3

2.6 维护简单............................................................................................................................3

2.7 勤务信道............................................................................................................................4

2.8 APS(自动保护切换)功能......................................................................................................5

2.9 XPIC(交叉极化干扰消除器) ..................................................................................................6

2.10 交叉连接(XC) ...................................................................................................................7

2.11 PASOLINK网络管理系统（PNMSj） ................................................................................10

2.12 PASOLINK网络管理终端（PNMTj）.................................................................................10

2.13 ODU安装的灵活性...........................................................................................................10

2.13.1 1＋0系统...............................................................................................................11

2.13.2 1＋1系统...............................................................................................................11

2.13.3 2＋0系统（双极化天线用于邻波道或同波道分配） ...................................................11

2.14 IDU配置的选择................................................................................................................16

3. 框图与描述.........................................................................................................................18

4. 网络管理系统.....................................................................................................................22

4.1 简介...................................................................................................................................22

4.2 特性...................................................................................................................................23

4.2.1 通用平台.......................................................................................................................23

4.2.2 友好的用户操作.............................................................................................................23

4.2.3 面向链路的管理&控制....................................................................................................23

4.2.4 远程访问及控制.............................................................................................................23

4.2.5 事件日志.......................................................................................................................23

4.2.6 告警管理.......................................................................................................................24

4.2.7 ITU-T G.826 性能监视....................................................................................................24

4.2.8 安全性...........................................................................................................................24

4.2.9 SNMP 接口...................................................................................................................24

5. 性能参数.............................................................................................................................25

5.1 概述...................................................................................................................................25

5.2 基带接口...........................................................................................................................26

5.2.1 数字信号接口(可替换) ....................................................................................................26

PASOLINK NEO 数字微波系统

- ii -

5.2.2 局域网接口(10/100Base-T(X)) ........................................................................................26

5.2.3 局域网接口(GbE)...........................................................................................................28

5.2.4 勤务信道(SC) ................................................................................................................28

5.2.5 LCT(PNMT) 接口.............................................................................................................28

5.2.6 PNMS接口.....................................................................................................................28

5.2.7 RF I/O端口.....................................................................................................................28

5.2.8 并行告警接口.................................................................................................................29

5.2.9 路旁接口.......................................................................................................................29

5.2.10 接口卡菜单 ..................................................................................................................30

5.3 ODU (室外单元)和系统性能...........................................................................................31

5.4 IDU (室内单元)和系统性能.............................................................................................35

5.5 HYBRID (混合器/分路器)................................................................................................40

5.5.1 指标..............................................................................................................................40

5.5.2 物理尺寸.......................................................................................................................41

5.5.3 安装向导.......................................................................................................................42

5.6 10dB耦合器......................................................................................................................43

5.6.1 指标..............................................................................................................................43

5.6.2 物理尺寸.......................................................................................................................44

5.7 OMT(直接安装变换器) ....................................................................................................45

5.7.1 特性..............................................................................................................................45

5.7.2 指标..............................................................................................................................46

5.7.3 物理尺寸.......................................................................................................................46

5.8 PASOLINK天线................................................................................................................47

5.8.1 天线配置.......................................................................................................................47

5.8.2 直接安装天线菜单及性能................................................................................................47

5.9 PASOLINK MONITOR....................................................................................................48