An interface arrangement provides interfacing between a frame based telecommunications network in which traffic is transported in frames and an asynchronous network in which traffic is transported in cells or packets. Moreover, the invention relates to a method for curatively or preventively controlling the phytopathogenic fungi andor microorganisms andor pests of plants or crops, to the use of a combination according to the invention for the treatment of seed, to a method for protecting a seed and not at least to the treated seed. A case accommodates the magnetism detection elements. The counter counts clock pulses till the reference signal returns through the receiver portion. A true-false judging device performs a statistic analysis when any coincidence is found between the readout combination of the first and second information and registered combination patterns, to identify an inspected recording medium as a forged product based on the result of the statistic analysis.