6b5efb1b_logy___Dictionary___R_for_Raid__term
[abbreviation / acronyms] RSU [definition] IBM-recommended PTFs (Program Temporary Fix) supplied as part of monthly z/OS service support The subtending remote switching device that depends in part on its host switch for call control but is capable of providing intra-unit switching. [term] 
Recommended Service Upgrade remote switching unit
IT Terminology / Dictionary - R for Raid
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