Comprehensive analysis of transmission SDH/PDH tester NKwok-5
The smallest volume, weight the most light test solution, for DS1/E1 to 2.5 Gbps test, weight only
For the 2.2kg
In STM-1/OC-3, STM-4/OC-12 and STM-16/OC-48 of the dual wavelength test to
And DS1 /E1/E3/DS3/E4 STM-1/OC-3 electric interface test
For VC-4-4c/OC-12c, the complete analysis of VC-4-16c/OC-48c SDH/SONET signaling cascade mapping
By using the Sabit function, flexible MUX/DEMUX test set for in-depth analysis of the PDH
Analysis function of ATM, ATM and 3G/UMTS network for service verification, test PDH,
Carrying on the new ATM service SDH/SONET
Detection of physical layer integrity for optical power performance test
ECL NRZ port can be no interference type direct monitoring of optical network
Color Chinese interface
The most easy to learn and use a hand-held instrument
Personnel access technologies need to test instrument can simplify the main work without the need for additional training. NKwok-5 has a large color display, graphical user interface, with the ergonomic design of the keyboard, it is currently on the market is the most easy to learn and use a hand-held instrument. Other features include:
The labeled LED, can display the current and historical alarm
OK results overview screen and pass / fail results screen display
Automatically save the test results
Fast store and call the important network configuration
Automatic test
Personnel access technology selection
NKwok-5 can provide transmission test functions required in the access network in today's all:
Optical power measurement
Bit error rate test
G.821, G.826, G.828, G.829, M.2100, M.2101 analysis
The received signal offset measurement
The transmitted signal offset and occurrence
Tables and graphical event record

The extended SDH/SONET feature
NKwok-5 with SDH and SONET test characteristics, can cover up to 2.5 of all Gbps installation and maintenance tasks:
The STM-1e/STS-3 interface
STM-1/OC-3 to STM-16/OC-48 optical port
1310 nm and 1550 nm wavelength
Automatic configuration
Abnormal occurrence and analysis and fault
APS measurement
RTD measurement
Analysis and processing of SOH and POS (HEX or text format)
Path tracking occurrence and analysis
Cascade monitoring (TCM)
Automatic branch scanning
Pointer generation and analysis
K bytes captured
Fully support PDH
By including E1 Sa bit occurrence and display advanced features, from 1.5 Mbps to 140 Mbps, including N * 64Kbps, NKwok-5 can test all PDH branch and the traditional PDH system transmission system.
ATM service verification
UMTS network launched with ADSL growth so that the application of ATM in access network is increasing. NKwok-5 can load on PDH/SDH and SONET ATM on the network installation and maintenance, including:
DS1, STS-1, SPE, DS3
E1, E3 (G.832), E4
VC-4/OC-12
VC-4-4c/OC-12c
Using high to CBR and VBR traffic in the STM-4c rate of load function, can generate PVC cells in UNI and NNI.
You can use BER or O.191 to check the quality of service measurement. Capable of detecting link and channel performance, at the same time recording business statistics.
Automatic scanning and activation of VPI/VCI and displayed in tabular form.
The results of test and simple management
Because of its built-in Ethernet port, CompactFlash memory card port and printer port, NKwok-5 can be more effective, more easily integrated into the daily operation.
Through the CompactFlash card will be the standard test set output to other NKwok-5 or PC
Using the PC machine based on Windows, the test results through the LAN exchange
Print the test report
Remote testing of advanced features
NKwok-5 can provide remote testing function through the Ethernet and dial-up line. Therefore, technical staff can in their office remote polling all instrumentation, simplifies the long open testing and maintenance, and greatly reduced the travel time and cost. The test results can be saved to any network hard disk or in any network printer for analysis.
Flexible and has a good price performance ratio of platform
NKwok-5 flexible design allows it to quickly adapt to the changing needs of operators. Because it has a site provided by the Compact Flash ports can upgrade ability, makes the field technician to installed software in a few minutes.
Can buy a hardware upgrade to increase the bandwidth or wavelength of light. This protects the initial investment and reduce the additional training costs, and allows the operator to put money spent to match and network solutions.
The NKwok-5 tester is a leading position in the industry access to test instrument, it sets a new standard for portable, easy to use and adaptability etc.. NKwok-5 is an ideal instrument field technical personnel, they need to be in the field and remote testing of various SDH, PDH, SONET and ATM digital link. Therefore, NKwok-5 provides a significant advantage for companies that want to optimize the quality of service by the solution has a good performance to price ratio, in the industry has been verified test.

 

Characteristics:
TCP/IP or modem remote control
SDH signal structure graphical settings, simple and clear
Big "OK" -- a summary of the results fast and clear interface
The 16 LED, vivid icon and sound alarm occurs, instant prompt
Testing results to the RAM memory card and PC
Testing results can be compatible with the CSVASCLL format, EXCEL format
3 hours of battery power supply time
And independent receiving / sending interface used for multiplexing / demultiplexing test
Support frame and non framing PDH test
Support ATM ovetSDH/SONET application testing
- defects page monitor all overhead alarm, support 27 defect and abnormal monitoring
And abnormal page display count and ratio
And the event time record of historical document
Index:
Support C4, C3 and C12 through the Au4/AU3 daily mapping
PDH error & alarm monitoring / generation: AIS, LOF, RDI, FAS, CRC-4etc
And single or continuous, ratio error / alarm generation and generation overhead monitoring
- channel tracking production and does not match the monitoring: JO, J1, J2 bytes
TCM cascade connection monitoring: analysis of N1 and N2 bytes
STM-16/4/1 optical interface 1310nm and / or 1550nm (dual wavelength support)
STM-1 electric interface, E4, E3, BNC of the &E1 interface without external adapter cable and module
RJ-48 E1 equilibrium interface in a machine, without external adapter cable
2Mbit/MHzBNC external reference clock interface
Support C4, C3 and C12 through the Au4/AU3 daily mapping
- provide remote operation options

 

 

SDH/PDH综合传输分析测试仪NKwok-5

   体积最小,重最最轻的测试解决方案,用于 DS1/E1 到 2.5 Gbps 测试,重量仅
      为2.2kg
  在 STM-1/OC-3、STM-4/OC-12 以及 STM-16/OC-48 上的双波长光测试以
      及DS1 /E1/E3/DS3/E4 STM-1/OC-3 电接口上的测试
  对于 VC-4-4c/OC-12c,VC-4-16c/OC-48c SDH/SONET 信号级联映射的完整分析
  采用 Sabit 发生功能以及灵活的 MUX/DEMUX 测试设置进行深入的 PDH 分析
  ATM 分析功能，用于 ATM 与 3G/UMTS 网络的业务验证，测试PDH,
      SDH/SONET 上所承载的新的 ATM 业务
  物理层完整性的检测用于光功率测试性能
  ECL NRZ 端口能够对光网络进行无干扰式直接监测
  彩色中文界面

最易于学习与使用的手持式仪表

　　接入技术人员需要一台能够简化其主要工作而无需额外培训的测试仪。 NKwok-5 具有大的彩色显示屏，图形化用户接口以及具有人机工程学设计的键盘，它是目前市场上最易于学习与使用的手持式仪表。其它特性包括：

  带有标记的 LED ，能够显示当前与历史告警
  OK 结果综述屏以及通过 / 失败结果的屏幕显示
  自动保存测试结果
  快速存贮与调用重要的网络配置
  自动测试

接入技术人员的选择

　　NKwok-5 可以提供在当今的接入网中所需要的所有的传输测试功能：

  光功率测量
  比特误码率测试
  G.821, G.826, G.828, G.829, M.2100,M.2101 分析
  接收信号偏移测量
  发送信号偏移与发生
  表格与图形化事件记录

扩展的 SDH/SONET 特性

　　NKwok-5 具有 SDH 与 SONET 测试特性，能够覆盖高至 2.5 Gbps 的所有安装与维护任务：

  STM-1e/STS-3 接口
  STM-1/OC-3 到 STM-16/OC-48 光端口
  1310 nm 与 1550 nm 波长
  自动配置
  异常与故障发生与分析
  APS 测量
  RTD 测量
  SOH 与 POS 分析与处理 (HEX 或文本格式 )
  路径跟踪发生与分析
  级联监测 (TCM)
  自动支路扫描
  指针产生和分析
  K 字节捕获

完全支持 PDH

　　采用包括 E1 Sa 比特发生与显示等高级功能，由 1.5 Mbps 到 140 Mbps ，包括 N × 64kbps , NKwok-5能够测试所有 PDH 支路以及传统的 PDH 体系传输系统。

ATM 业务验证

　　UMTS 网络推出与 ADSL 的增长使得 ATM 在接入网中的应用不断增加。 NKwok-5 能够对 PDH/SDH 与 SONET 网络上所承载的 ATM 进行安装与维护，包括：

  DS1, STS-1, SPE, DS3
  E1, E3(G.832), E4
  VC-4/OC-12
  VC-4-4c/OC-12c

　　采用高至 STM-4c 速率的 CBR 与 VBR 业务量负载功能，可以在 UNI 与 NNI 上生成 PVC 信元。

　　可以采用 BER 或 O.191 测量检查业务质量。能够检测链路与信道性能，同时记录业务量统计。

　　自动扫描激活的 VPI/VCI 并以表格形式显示。

简单的测试与结果管理

　　由于其内置的以太网端口 , CompactFlash 存贮卡端口以及打印机端口,NKwok-5 能够更有效、更简单地集成到日常的运营中。

  通过 CompactFlash 卡将标准测试设置输出到其他 NKwok-5 或 PC 中
  采用基于 Windows 的 PC 机，通过 LAN 交换测试结果
  打印测试报告

先进的远端测试功能

　　NKwok-5 能够通过以太网与拨号线路提供远端测试功能。因此，技术人员能够在他们的办公室远端轮询所有仪表，简化了长时间的开通与维护测试，并且大大减少了旅行时间与开销。测试结果可以被保存到任何网络硬盘或者在任何网络打印机上打印以便进行分析。

灵活且具有良好性能价格比的平台

　　NKwok-5 灵活的设计使得它能够快速适应运营商不断改变的需求。由于它具有由 Compact Flash 端口提供的现场可升级能力，使得现场技术人员能够在几分钟内安装好软件。

　　可以购买硬件升级以增加光带宽或波长。这就保护了最初的投资并减少了额外的培训费用，同时使得运营商能够将资金花费与网络开通方案相匹配。

　　NKwok-5 测试仪是一台在业内具有领先地位的接入测试仪，它为便携性、易于使用与适应性等树立了一个新的标准。 NKwok-5 是现场技术人员的理想仪表，他们需要在现场与远端测试各种 SDH 、 PDH 、 SONET 与 ATM 数字链路。因此， NKwok-5为那些希望采用具有良好性能价格比的、在业内已经过验证的测试解决方案来优化业务质量的公司提供了一个重要的优势。 

 

 

特性：
·TCP/IP或调制解调器远端控制
·图形化的SDH信号结构设置，简单明了
·大"OK"结果概要界面--快捷明了
·16个LED，生动的图标和呜叫声，即时提示告警发生
·测试结果中存储到RAM卡和PC机
·测试结果可以CSVASCLL格式，与EXCEL格式兼容
·3小时的电池供电时间
·独立的收/发接口用作复用/解复用测试
·支持成帧和非成帧PDH测试
·支持ATM ovetSDH/SONET应用测试
·缺陷页面监测所有开销告警，支持27个缺陷和异常监测
·异常页面显示计数及比率
·事件时间记录历史文档
  
指标:
·支持C4，C3和C12通过Au4/AU3日日映射
·PDH差错&告警监测/生成：AIS，LOF，RDI，FAS，CRC-4etc
·单个，比率或连续的差错/告警生成开销监测和生成
·通道跟踪产生和不匹配监测：JO、J1、J2字节
·TCM级联连接监测：分析N1和N2字节
·STM-16/4/1光接口1310nm和/或1550nm（双波长支持）
·STM-1电接口，E4，E3，&E1的BNC接口，无需外接适配缆线和模块
·RJ-48 E1 平衡接口于一机，无需外接适配缆线
·2Mbit/MHzBNC外参考时钟接口
·支持C4，C3和C12通过Au4/AU3日日映射
·提供远程操作选件