data sgp 45 2010Data centres; predates 1000BASE-T; rarely used. 1000BASE‑KX, 802.3ap-2007 capable of 45 to 160 parallel channels. 1000BASE-SX. edit. 1000BASESJR. chart. data table. 2010 2012 2014 2016 2018 2020 2022 0 0.4 0.8 1.2 36. Self Cites, 2018, 24. Self Cites, 2019, 44. Self Cites, 2020, 34. Self Cites