The PMD test function provides the following The PMD test function is based on the Fixed Analyzer method, which is standardized by ITU-T G.650.2, IEC 6, and EIA/TIA 455 FOTP 113. This module is the most compact solution on the market today, providing dedicated performance for system verification.
The 81DWMPMD module uses bands of 1260 nm to 1640 nm for the characterization of DWDM and CWDM transmission networks with an optimized dynamic range (Figure 2).
Having three test functions in a single module, capital expenses are optimized and the number of instruments to carry in the field is reduced These two additional measurements are required for high-speed and full-band DWDM transmission capability verification. Not only does the WDMPMD module support the qualification of DWDM systems, but it also provides physical layer testing, including spectrum attenuation and PMD measurements. The 81WDMPMD module is the only WDM analyzer that passes a 70 cm drop test! Due to its innovative technology, combining the MTS/T-BERD platforms with the 81WDMPMD module offers a portable, battery-powered, shock-proof, and drop-tested instrument for complete reliability in harsh environmental conditions. The 81WDMPMD module is the ideal solution for DWDM- and CWDM-oriented applications. In addition to its various measurement capabilities, the flexibility of the MTS/T-BERD platforms enable easy evolution toward additional measurement capabilities and functionality enhancements. The combination of the OSA, SA, and PMD test functions allows technicians to validate the link’s compatibility with the DWDM system implementation and the high bit rate transmission. The 81WDMPMD module also contains fiber spectral attenuation(SA) and polarization mode dispersion (PMD) functions. Using the optical spectrum analyzer (OSA) function of the 81WDMPDM module, all critical network parameters of a DWDM system can be verified, including channel wavelength, channel spacing, frequency, power, and optical signal-to-noise ratio (OSNR).
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This plug-in module, combined with the MTS/T-BERD platforms, offers a fast, accurate, and cost-effective solution for installation, verification and maintenance testing. The JDSU 81WDMPMD plug-in module is designed to meet the sophisticated test requirements of today’s and tomorrow’s complex DWDM networks. Network operators and system installers, who provide quality of service testing, require constant network verification to ensure that the infrastructure and equipment meet performance standards precisely and that they operate reliably.
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