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Auto negotiation to 1G

Hi 

I have a question related to auto-negotiation on below 2 cards

  • X527-DA4 Quad Port 10GbE/SFP+ OCP KR PHY Mezzanine
  • X557-T4 Quad Port 10GbE/RJ45 OCP KR PHY Mezzanine

Does these 10G cards support 1G auto negotiation.  i.e. can they work when connected to other end which is 1G properly?

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3 Replies
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Hello RamVankad,


Thank you for posting in Intel Ethernet Communities. 


For us to further check the issue, please provide the following details.


  1. How would you like to implement this connection? Please further explain.
  2. Can you provide a photo of the cards on both sides focusing on the markings?


If you have questions, please let us know. In case we do not hear from you, we will make a follow up after 3 workings days. Thank you.


Best regards,

Michael L.

Intel Customer Support Technicians


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Hello RamVankad,


I just want to make a follow up on the information that I requested below:


  1. How would you like to implement this connection? Please further explain.
  2. Can you provide a photo of the cards on both sides focusing on the markings?


If you have questions, please let us know. In case we do not hear from you, we will make a follow up after 3 workings days. Thank you.


Best regards,

Michael L.

Intel Customer Support Technicians


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Hello RamVankad,


I am just sending another follow up on the information that I requested. 

Since we have not heard back from you, I need to close this inquiry. 


If you need further assistance, please post a new question. 


Best regards,

Michael L.

Intel Customer Support Technicians


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