Before revision: The cable was introduced in 1983 with the "LapLink" software package, from Traveling Software to allow fast data transfer between the early PCs running MS-DOS, giving much faster transfer rates than the traditional null moden serial cable.
After revision: The cable was introduced in 1983 with the "LapLink" software package, from Traveling Software to allow fast data transfer between the early PCs running MS-DOS, giving much faster transfer rates than the traditional null modem serial cable.