Re: [802.3_DWDM] IEEE P802.3cw Optical Crosstalk Ad hoc 02 Dec 2020 Material uploaded

[Bo Zhang <bozbozboz@xxxxxxxxx>]

Hi Eric,

 

To John’s encouragement of leveraging the reflector, I would like to pick up from where we left off from the ad-hoc. Specifically to your last slide in your contribution, what do you envision as the needed work items in the P802.3cw draft if we were to further your approach for black link test methodology for crosstalk parameter.

 

From my perspective, I see one needs to understand below items at a minimum

• The exact stimulus (whether it’s broadband or tunable light or an actual 400G ZR Tx or something else)
• The exact response (whether it’s integrated power or spectral contents or something else)
• The exact stimulus test points (whether it’s TP2, TP2’ from adjacent channels)
• The exact response test points (whether it’s TP3, TP3’ from adjacent channels)
• The test conditions of the black link (in terms of BA and PA settings as compared to in-service mode)

 

Also, for your initial isolation value recommendation, what’s your view when it applies to the counterexample I gave in slide 13 of my Nov. 16^th P802.3cw presentation

 

Thanks,

-Bo

On Wed, Dec 2, 2020 at 3:36 PM John D'Ambrosia <jdambrosia@xxxxxxxxx> wrote:

All,

The material for today’s IEEE P802.3cw Optical Crosstalk Ad hoc meeting has been uploaded and may be found at https://www.ieee802.org/3/cw/public/adhoc/20_1202/index.html

 

Please note I have not completed meeting notes yet, but wanted to get the technical material uploaded for all to begin reviewing.

 

Regards,

 

John D’Ambrosia

Chair, IEEE P802.3cw Task Force

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-Bo

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