INT 14 - Connection Manager - RETURN COMMUNICATION PORT STATUS AH = 03h DX = FFFFh AL = connection ID Return: AH = return code (00h-02h) (see #00303) BH = line status (see #00306) BL = modem status (see #00305) (only bits 4,5,7; all others zero) Notes: if DX is 0-3 on entry, Connection Manager emulates the standard BIOS function, but redirects the port over the network; if DX is any other value, the call is chained SeeAlso: AH=00h/DX=FFFFh,AH=04h/DX=FFFFh,AH=0Ah/DX=FFFFh