64Document Revision HistoryDate Revision Description of ChangesOct. 2020 2.4 Added MCX545B-GCUN support across the document.Jul. 2020 2.3 Added MCX542B-ACUN support across the document.Apr. 2020 2.2 Added MCX545A-CCUN support across the document.Feb. 2020 2.1 Added altitude criteria to "Specifications".Jan. 2020 2.0 Added MCX545B-CCUN support across the document.Oct. 2019 1.9 Updated the supported Ethernet protocols in"Specifications".Oct. 2019 1.8 Updated board labels in "Finding the MAC and SerialNumber on the Adapter Card".May. 2019 1.7 Added a note to "MCX542B-ACAN Specifications".Apr. 2019 1.6 Updated comments in "Introduction", "HardwareInstallation" and "Specifications".Feb. 2019 1.5 Added a comment to "Introduction" and"Specifications".Jan. 2019 1.4 Added MCX542B-ACAN and MCX546A-BCAN supportacross the document.Dec. 2018 1.3 Migrated to on-line format; minor reorganization.Oct. 2018 1.2 Updated MCX542A-ACAN Specification.Sep. 2018 1.1 Added MCX546A-CDAN and MCX542A-ACAN supportacross the document.Jul. 2017 1.0 First release