Although the IBM System/38 and its successor the AS/400 and iSeries filled the same market niche, they used a radically different architecture, based on the failed IBM Future Systems project.
IBM iSeries systems designate code page CCSID 13488 for UCS-2 character encoding, CCSID 1200 for UTF-16 encoding, and CCSID 1208 for UTF-8 encoding.