FIELD: information technology.
SUBSTANCE: invention relates to means of verifying the continuity of data transmission between the main input unit and the main output unit. Using the data processing module of the main input unit, the first frame is generated, the data packet to be transmitted and the cyclic redundancy code of the indicated packet. First frame is encapsulated in the second frame, which additionally contains the redundant cyclic code of the first frame. Include the redundant cyclic code of the specified package in the third frame. Each of the redundant cyclic codes extracted from the first frame and the third frame are compared with the data processing module of the at least one auxiliary input block. Confirm the continuity of data transmission to the main output unit, only if the comparison gives a positive result.
EFFECT: technical result is higher reliability of data transmission.
12 cl, 16 dwg
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