Noun
English Wikipedia has an article on:switchoverWikipedia
switchover (plural switchovers)
A complete change or switch from one state, system or course of action to another.
After the digital switchover, analogue television broadcasts were no longer transmitted.
After the failed switch to the backup, the exchange had manually forced a switchover to the No. 2 shared disk device. Source: Internet
Following a realignment of ITV regional services and the digital switchover, the Douglas relay switched ITV broadcasts to Granada Television on Thursday 17 July 2009. Source: Internet
Digital switchover took place in April 2011 for the Nottingham and Northampton areas; Waltham and Belmont (including the local repeater stations) will change in late August 2011. Source: Internet
It’s also interesting that LVMH did not present its switchover as producing its own branded hand sanitizer. Source: Internet
Following these changes came the switchover to more reliable Chrysler Industrial 318 engines with the automatic Loadflite transmissions. Source: Internet
Digital switchover took place in mid-2009 for Cumbria and late-2009 for the south of the region. Source: Internet