I have some SFPs interface model FTLF1318P3BTL, but with differences in a code. Some of them have 15-37, others 15-38, others 15-36.
When I connect different codes, the SFPs don´t get connected.
What is the difference of this code?
Those codes should be the date codes. The first number being the year and the second number being the week in the year. So all three you listed would have been made in September of 2015.
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