SEND (3270 logical) 1 SEND FROM(data-area) 2 LENGTH(data-value) 2 FLENGTH(data-value) 3? WAIT 4? 4 INVITE 4 LAST 5.0? ERASE 5.0.1? 5.0.1 DEFAULT 5.0.1 ALTERNATE 5.1? CTLCHAR(data-value) 5 STRFIELD 6? DEFRESP