100Base-TX SFP

I have a board that accepts 100Base-X optical SFPs (FX, BX10, etc.). I am looking for a copper SFP that supports 100Base-TX. However, all the SFPs I have found so far are 10/100/1000Base-TX, and will only talk to a GbE MAC. I need something that will talk to an FE PHY/MAC, with an MII connection to the switch. Any suggestions?

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Howdy Dan,

I've never heard of an SFP that would do what you want (basicly

100Base-TX to something SMII-like). There are quite a number of media converter boxes out there that would do what you need though. Here is but one:

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Good luck,


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