A module wants to compatibal with HP, you need to write a special firmware into MCU. So why it works fine when you read an original HP SFP and then write this it's code into 3rd party, but does not work when you write it to exactly the same hardware? By the way I do a lot of SFPs for Extreme Networ...

This is a quite old topic, but it is related to HP SFPs, so I decided to refresh it and write about my HP related issue here... A general goal is to clone HP J9151A SFP. First of all I bought an original HP to get it's content and check what hardware is under J9151A SFP: Clipboard01.jpg As you can s...

I worry that without this SFP for tests I will not be able to resolve this issue. Maybe do you have possibility to send one of these sfp to us? I got quite a similar issues as described above but related to Source Photonics SFP s. Some more details about what it did so far is here: https://forum.re...

> Out of concern about human rights abuses and infringement political freedoms in China, we would prefer to avoid transceivers manufactured there I like your way! I would suggest Source Photonics which I believe belongs to SkHynix, but unfortunately these are protected and I did not find an manufact...