V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):
LU62
       Logical Unit 6.2 (IBM), "LU6.2"
The Free On-line Dictionary of Computing (30 December 2018):
Logical Unit 6.2
LU6.2
    (LU6.2) A type of logical unit that governs
   peer-to-peer SNA communications.  LU6.2 supports general
   communication between programs in a distributed processing
   environment.
   LU6.2 is characterised by a peer relationship between
   session partners, efficient use of a session for multiple
   transactions, comprehensive end-to-end error processing and
   a generic application program interface consisting of
   structured verbs that are mapped into a product
   inplementation.
   LU6.2 is used by IBM's TPF operating system.
   [IBM Dictionary of Computing, McGraw-Hill 1993].
   (1996-08-26)