INT 17 - Shamrock Software NET.24 v3.11+ - PREPARE CHARACTER-ORIENTED TRANSMIT
AX = 240Ah
Return: AL = status (see AX=2400h)
SeeAlso: AX=240Bh,AX=240Ch

See also: 172406

17240A - Shamrock Software NET.24 v3.11+ - PREPARE CHARACTER-ORIENTED TRANSMIT