The phrase "a fallback of" is correct and usable in written English.
It can be used when referring to an alternative option or backup plan in case the primary option fails or is unavailable.
Example: "In case the main server goes down, we have a fallback of using the backup server to ensure continuity."
Alternatives: "a backup of" or "an alternative to".
Cox blames the rand's rise for recent global disappointment, and investors, perhaps anticipating a fallback of the currency, have cut him slack.
But, at the end of the day, it's offering the tech as an option for users who want added usability convenience, while also providing a fallback of stronger security safeguards that can be invoked or can step in to gate content at key moments.
More recently, the rationales have shifted toward the pleasure of ownership, coupled with the attraction of a fallback source of power.
"I don't think there's a fallback for a lot of players," he says.
When it announced its latest $1 billion restructuring plan in December, it tried to reassure investors that its investment plans assumed an oil price of $80, but with a fallback level of $60.
The regions have formed an alliance with Premiership Rugby which is aimed at setting up a new European club competition next season but which has a fallback position of an Anglo-Welsh league.
Another sign of seismic change: civil unions, once regarded by gay-marriage supporters as a best-we-can-hope-for compromise, have become a fallback position of the anti-marriage camp.
But four sceptical eastern European members have floated a fallback policy of ring-fencing Greece to keep the migrants they expect to land there from proceeding through Macedonia and Bulgaria to other EU countries to the north and west.
If that fails, there's a fallback option of a phone call.
"Women would be giving birth totally with the midwives but there would be a fallback position of having an obstetrician nearby if things do not work out".
Recently, the startup launched a fallback version of Algolia called Algolia Offline that you can use if you're in airplane mode or don't have a strong signal.
