| 摘要 |
A data relay device and a data management system that eliminate the need for changing the setting when a new testing or measuring device is added is provided. An adapter 4 for connecting to a LAN 3 plural kinds of testing devices 5 a , 5 b . . . generating data in different formats stores in advance a conversion program for converting an individual message of each of the devices into a common message according to the kinds of the testing devices 5 a , 5 b . . . , converts the individual message sent from the testing devices 5 a , 5 b . . . in a serial manner into a common format and sends it to a communication management terminal 2.
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