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Visitor rugedutch
Visitor
6,686 Views
Registered: ‎05-22-2015

2 ethernet ports on development kit

Hi, we have a kintex7 development kit, and for some project we have we need 2 gigabit ethernet ports. The board has only one built-in but it also has an SFP port, which making some browsing I found out that you can attach an RJ45 copper module. I have two questions:

1. Can I use any RJ45 module and use it almost transparently in the project?

2. All modules I find implement SGMII, while I need RGMII. Is it that SFP only implements SGMII?

3. Any other recommendation on how could I attach a second ethernet port to the board?

 

Thanks!

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Teacher muzaffer
Teacher
6,661 Views
Registered: ‎03-31-2012

Re: 2 ethernet ports on development kit

in SPF the only connectivity to the FPGA is through SGMII, RGMII is not possible. As long as you instantiate an SGMII IP on the FPGA, it should be transparent for the rest of the flow.
Another option is to buy an FMC card which has more ethernet ports on it: http://www.xilinx.com/products/boards-and-kits/1-2ajpav.html
- Please mark the Answer as "Accept as solution" if information provided is helpful.
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Visitor rugedutch
Visitor
6,601 Views
Registered: ‎05-22-2015

Re: 2 ethernet ports on development kit

Thanks for replying. I can't use the option you recommend, as I am planning to use it for EtherCAT, and the chipset that comes with that device is permanently programmed for preamble suppression, which then makes it not good for it. I am still looking for other FMC or SPF solutions. Thanks!

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