Int 60 Fn 15  - FTP Packet Driver - Extended Func - Get Receive Mode       [N]

   AH = 15h
   BX = handle (optional for v1.10+)

Return: CF set on error
       DH = error code (01h) (see AX=01FFh)
   CF clear if successful
       AX = mode

See Also: AH=14h