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pp1
Newbie
Newbie
248 Views
Registered: ‎02-17-2021

1G Base-t sfp

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Hello,

I'm using the ZCU102 evaluation board with the xapp1305_ps_emio_eth_1g example loaded in the PL side and the lwip library example (UDP server) in the PS side.

In the SFP cage we plugged the SFP-GB-GE-T (1000Base-T) module to connect a RJ45 cat5e cable.

If I connect the other side of the cable to my PC I wasn't able to see the connection, otherwise if I connect it to an other identical module I can reach the connection and transfer data in UDP.

There is someone that experienced a similar problem or have some suggestions/tricks?

Thanks and Regards

 

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nanz
Moderator
Moderator
185 Views
Registered: ‎08-25-2009

Hi @pp1 ,

The example that you are taking is PS-GEM + 1000BASE-X configuration, right?

As you have the SFP based on 1000BASE-T, I would expect you use PS-GEM + SGMII design. 

1000BASE-X is based on the Physical Layer standards developed by ANSI X3.230-1994 (Fibre Channel

Physical and Signaling Interface).

While SGMII uses electical technology and uses copper cat5 for communication based on 1000BASE_T.

The main difference will be the AN between the two, and the link timer is not the same. This could cause AN cannot complete and link won't come up. 


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If starting with Versal take a look at our Versal Design Process Hub and our Versal Blogs and our Versal Ethernet Sticky Note.

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1 Reply
nanz
Moderator
Moderator
186 Views
Registered: ‎08-25-2009

Hi @pp1 ,

The example that you are taking is PS-GEM + 1000BASE-X configuration, right?

As you have the SFP based on 1000BASE-T, I would expect you use PS-GEM + SGMII design. 

1000BASE-X is based on the Physical Layer standards developed by ANSI X3.230-1994 (Fibre Channel

Physical and Signaling Interface).

While SGMII uses electical technology and uses copper cat5 for communication based on 1000BASE_T.

The main difference will be the AN between the two, and the link timer is not the same. This could cause AN cannot complete and link won't come up. 


-------------------------------------------------------------------------------------------

Don’t forget to reply, kudo, and accept as solution.

If starting with Versal take a look at our Versal Design Process Hub and our Versal Blogs and our Versal Ethernet Sticky Note.

-------------------------------------------------------------------------------------------

View solution in original post