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Commissioning Assistant:
an OSNR Time Saver
95% Time Saving
vs Manual Method

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The first Pol-Mux OSA for coherent systems
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WDM Testing and Network Optimization
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Optical Spectrum Analyzers — FTB-5240S/BP

 

Highly accurate, easy-to-use intelligent optical spectrum analyzers (OSAs) for analysis of CWDM and DWDM networks.

Technical Information

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Key Features

  • First third-party 40G/100G Pol-Mux OSNR option on the market; compliant with the current draft of the IEC 61282-12 standard 
  • Intelligent in-band OSNR measurement for 40 Gbit/s and ROADM deployments
  • Automatic impairment identification for faster troubleshooting
  • Compliant with Recommendaton ITU-T G.697
  • One-button operation for easy setup and automatic measurement
  • Fast and cost-effective in-service PMD analysis option
  • Truly portable spectral characterization for DWDM network commissioning and troubleshooting
  • EXFO Connect-compatible: automated asset management
  • Flexibility to analyze WDM, EDFA, drift, spectral transmittance, and Fabry-Perot and DFB laser
  • Housed in either the compact FTB-2, FTB-2 Pro, FTB-200 or FTB-500 platform
  • Large 10-inch display on the FTB-2 Platform

Applications

  • Characterization of all channel spacings, from 25 GHz DWDM to CWDM
  • ROADM and 40 Gbit/s testing
  • Intelligent in-band OSNR ROADM testing

OSNR Measurements up to Pol-Mux 40G/100G

OSNR has long been recognized as a key performance indicator in wavelength-division multiplexing (WDM) networks, becauseit provides a multichannel assessment of signal quality in a very short time. In addition, OSNR can predict bit error rate (BER) within just a few minutes, while typical BER tests must run for hours or days.

The IEC 61280-2-9 standard defines OSNR measurement as the power ratio between thesignal power and the noise at half the distance between the peaks. However, in ROADM or 40 Gbit/s systems, this method may lead to incorrect results, because the noise level between the peaks is no longer directly correlated with the noise level at the channel wavelength. EXFO’s in-band OSNR is the answer to this challenge.

For Pol-Mux signals at 40G and 100G, neither the IEC nor the in-band method work. This calls for a new measurement method: Pol-Mux OSNR.

First POL-MUX OSA in the Market

EXFO’s Pol-Mux OSA is the first third-party instrument for Pol-Mux OSNR measurements that is not limited to any specificsystem vendor. The new commissioning assistant, which is the key feature of the new Pol-Mux OSA, is perfect for Pol-Mux OSNR measurements during turn-up. Based on the channel shutdown method, it provides highly accurate amplified spontaneous emission (ASE) OSNR measurements.

The commissioning assistant can be utilized after the user has first taken a measurement at the receiver with all of the channels turned on, and then acquired a series of traces, each taken with one channel turned off. The Pol-Mux OSA then performs the Pol-Mux OSNR calculations via a user-friendly wizard.

The commissioning assistant therefore greatly accelerates OSNR measurements based on the channel shutdown method, and drastically reduces potential human errors. In addition, two standards-compliant calculation approaches are available in the commissioning assistant: one compliant with the IEC-61282-12 standard (under revision), and the other compliant with the China Communications Standards Association (CCSA) method YD/T 2147-2010.

WDM-Aware Technology

  • Intelligent setup and analysis on a per-channel basis based on the bit rate, modulation scheme, as well as the network configuration experienced by the wavelength (ROADM, filters, etc.)
  • First time right: no guesswork, which eliminates truck rolls
  • Training time is significantly reduced as this ready-to-go unit can be taken directly into the field for the live EXFO DWDM experience
  • Most accurate and adaptive in-band method on the market

Analyze Any WDM Network

The FTB-5240S and FTB-5240BP Optical Spectrum Analyzer (OSA) series covers your DWDM applications and all channel spacings, from 25 GHz DWDM to CWDM. This is what we call no-compromise performance — whatever your network specificities and testing requirements.

Related Resources

 
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Highly accurate, easy-to-use intelligent optical spectrum analyzers (OSAs) for analysis of CWDM and DWDM networks.

Last updated: 2014-07-10

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See how the Commissioning Assistant compares to manual methods, and how much time you can save while eliminating the risk of human calculation errors.

Last updated: 2014-05-01

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Last updated: 2014-02-19

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TypeNameReleasedDescription
Optical Spectrum Analyzer
v5.9 - ToolBox X 1 See all versions
Jun. 2014

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