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ITU-T G.697

Optical monitoring for dense wavelength division multiplexing systems

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Organization: ITU-T
Publication Date: 1 November 2016
Status: active
Page Count: 40
scope:

The purpose of this Recommendation is to indicate a minimum, but not exhaustive, set of optical parameters that can be used to perform optical monitoring (OM) functions in dense wavelength division multiplexing (DWDM) systems and optical network elements [ONEs, e.g., reconfigurable optical add-drop multiplexers (ROADMs)], particularly relevant to those network elements without optical-electrical-optical conversions. In order to achieve this objective, this Recommendation:

1) indicates methods for measuring the optical signal degradation;

2) classifies those methods by type;

3) defines suitable optical parameters to detect optical signal degradation; and

4) describes the applications or conditions where these optical parameters can be relevant.

This Recommendation refers to DWDM systems and ONEs with optical channels with bit rates up to approximately 10 Gbit/s using non-return to zero (NRZ) or return to zero (RZ) line coding and bit rates at approximately 40 Gbit/s and 100 Gbit/s using advanced modulation formats, such as (dual polarization) quadrature phase shift keying. Bit rates above 100 Gbit/s and systems employing other modulation formats are for further study.

Document History

ITU-T G.697
November 1, 2016
Optical monitoring for dense wavelength division multiplexing systems
The purpose of this Recommendation is to indicate a minimum, but not exhaustive, set of optical parameters that can be used to perform optical monitoring (OM) functions in dense wavelength division...
February 1, 2012
Optical monitoring for dense wavelength division multiplexing systems
A description is not available for this item.
February 1, 2011
(Pre-Published) Optical monitoring for dense wavelength division multiplexing systems Corrigendum 1
The purpose of this Recommendation is to indicate a minimum, but not exhaustive, set of optical parameters that can be used to perform the optical monitoring (OM) functions in dense wavelength...
November 1, 2009
Optical monitoring for dense wavelength division multiplexing systems
The purpose of this Recommendation is to indicate a minimum, but not exhaustive, set of optical parameters that can be used to perform the optical monitoring (OM) functions in dense wavelength...
June 1, 2004
Optical monitoring for DWDM systems SERIES G: TRANSMISSION SYSTEMS AND MEDIA, DIGITAL SYSTEMS AND NETWORKS Transmission media characteristics – Characteristics of optical components and subsystems
A description is not available for this item.

References

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