The Swiss structured cabling specialist Reichle & De-Massari (R&M) offers a downloadable white paper library on its corporate web site. Each white paper is freely available upon completion of a short online form.
Recent white papers available from R&M include the following titles:
-- "Modal noise in fiber links"
-- "The straight facts about bend-insensitive multimode fiber"
-- "Installing RJ45 modules in an outlet"
-- "MPO/MTP: Introduction to parallel optics technology"
-- "Short links in structured cabling"
-- "EMC comparison between STP and UTP cabling for 10GBase-T"
-- "Cat 6A vs. Cat 7A"