| 摘要 |
<p>PROBLEM TO BE SOLVED: To realize stable operation by reconstructing a routing table and repairing data transmission route information in the case that the total counting number of the number of resending times of one of data transmission route entry registered in a resending history table exceeds a previously set threshold value. SOLUTION: The means 19 for detecting number of retransmission times of a communicating state monitoring means 21 detects the number of resending time in the header part of a received data frame to add to the total counting number of the number of resending times of the data transmission route entry corresponding to the transmission history table to store. Concerning a data transmission repeater 10, in the case that the total counting number of one data resending circuit of one of data transmission route entry exceeds the threshold value 14 of the set number of times of resending and detecting prescribed data, a system resetting means 22 software-resets the repeater 10, and reloads routing table information in the ROM 15 of a transmission/reception control means 17 to a RAM 16 to reconstruct the contents of a routing table.</p> |
