Excerpt - page 22: "22 10 Gb/s, the tolerable total PMD across a link has been estimated to be 3.5 and 14 ps, respectively. For a given bit rate and DpmD ... 72] [B(Gb/s) x DpmD(ps/ -V71-n)1 2 10 f 3 (40) The parameter f representing allowed bit period fraction is given by [72] f = PMD(ps) x B(Gb/s) (41 ... "