STH gives good overviews, did nothing wrong there.
But I wonder about awareness of https://fs.com or in this case specifically https://www.fs.com/eu-en/c/10-25-40-100g-modules-1113 and the fitting 'cables' or rather prefabricated/assembled fibre-assemblies? Like https://www.fs.com/eu-en/c/1-10-25g-sfp-sfp-sfp28-2869 ?