AS400 Communications Books - hilights with focus for asynch dial-up

  AS/400 Concepts and Facilities, by Tony Baritz and David Dune, publ by
    McGrawHill in the J. Renade IBM Series

    In this pub, there's a modest list of IBM's tech refs for the AS/400.
    Of critical interest to asynchronous comm access to the AS/400 are the
    IBM manuals in this bib

IBM Manuals - order from IBM

  IBM AS/400 Communications: APPC and APPN User's Guide, SC21-9598-1

  IBM AS/400 Communications: Asynchrounous Communications Programmers
     Guide, SC21-9592-1

  IBM AS/400 Communications: Telephony support Reference, SC21-9867-0

  IBM AS/400 Communications: 3270 Device Emulation User's Guide, SC21-9602-1

The threads contain reference to devices and techniques for connecting to
AS/400.  Of particular interest will be AS400PCP.THD, which describes use
of PCPLUS for dial-up access.  Other threads identify specific AS/400 devices
which include a 5208 protocol converter, which behaves similarly to a 3708
protocol converter.