Our successful interoperability trial with Acacia Communications and Inphi Corporation shows a clear path to open and programmable DCI networking. It showcased 400Gbit/s transport using our next-generation FSP 3000 DCI open line system as well as low-power 400ZR pluggable QSFP-DD transceivers from Acacia and Inphi. Test results proved that this multi-vendor ecosystem built on best-in-class components exceeds all OIF 400ZR Implementation Agreement performance metrics.

1. ADVA, Acacia and Inphi demo best-in-breed
400ZR DCI solution
April 2021

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About the trial
The trial featured 400Gbit/s WDM transport
using Acacia’s and Inphi’s 400ZR pluggable
transceivers and ADVA’s FSP 3000 DCI OLS
It was carried out simulating real-world
conditions with 400Gbit/s 400ZR adjacent
channels and a fully loaded spectrum
To validate interoperability, 400ZR was
transmitted from Acacia to Inphi and vice
versa over the new FSP 3000 DCI OLS
optimized for 400ZR
Showcasing the interoperability of coherent transport in a QSFP form factor

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Link configuration and test cases
Optical link configuration using FSP 3000 DCI OLS optimized for 400ZR
• 75GHz grid mux/demux
• +23dBm twin-amp
Fully loaded configuration
Test cases
• a) Single-span 120km SSMF with ~24dB span loss
• b) Single-span 120km SSMF with ~30dB span loss
Single-span 120km SSMF
Twin amp
Mux/demux Mux/demux
Twin amp
Acacia 400ZR Inphi 400ZR
26Tbit/s per fiber

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FSP 3000 DCI OLS
3RU
High-power twin amplifier
(pre-amp + booster)
Management
75Ghz grid mux/demux filter
in a 2RU shelf
Ultra-compact footprint
and minimum cabling
FSP 3000 DCI OLS
Open design
• Optimized for OIF 400ZR;
compatible with other formats
• Open APIs
Performance optimized
• High performance for maximum
capacity – 26Tbit/s per fiber
Operational simplicity
• High-degree of integration
• Integrated OCM and OTDR
• Spectrum and fiber connection
monitoring

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Acacia’s and Inphi’s 400ZR QSFP-DD
Acacia’s 400ZR QSFP-DD
Inphi’s COLORZ®II 400ZR QSFP-DD
400ZR

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Trial results exceeding 400ZR specifications
• Full interoperability between Acacia’s and
Inphi’s 400ZR QSFPs and ADVA’s FSP 3000 DCI
OLS demonstrated over 120km SMF link with
24dB span loss
• Error-free operation with greater than 6dB
span loss margin and OSNR higher than 30dB
• Substantial OSNR margin with 24dB span
relative to 400ZR specifications
• Data covering all combinations of transmitter
to receiver
Higher span loss and OSNR margins than OIF 400ZR specifications

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Complete and validated 400ZR DCI solution
The test results successfully demonstrated interoperability between ADVA’s 400ZR
optimized FSP 3000 DCI open line system (OLS) and QSFP-DD 400ZR pluggable
modules from Acacia Communications and Inphi
ADVA+Acacia+Inphi: a direct route to open DCI networking using 400ZR
The test results showed that this multi-vendor ecosystem exceeds OIF 400ZR
Implementation Agreement transmission performance metrics

8. Thank you
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