Appendices
■Phase 3 with iterated transmission of DLE EOT and IDs due to no re- sponse or invalid response
If the sending station receives no response or any invalid response from the receiving station in response to the sent sequence of DLE EOT and IDs, it iterates sending of the sequence at
If the sending station receives a sequence of DLE ACK and IDs before sending the sequence of DLE EOT and IDs 60 times, it terminates the message transmission normally and releases the data link.
Sending station
0.5second
0.5second
DLE EOT and IDs (1)
DLE EOT and IDs (2)
DLE EOT and IDs (3)
DLE ACK and IDs
Receiving station
Normal termination
■Abnormal termination of phase 3
If the sending station receives no sequence of DLE ACK and IDs from the receiving station within 0.5 second from the 60th sequence of DLE EOT and IDs, it aborts the message transmission abnormally and releases the data link.
Sending | DLE EOT and IDs (1) | Receiving | |
station | station | ||
| |||
0.5 second | DLE EOT and IDs (2) |
| |
|
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0.5 second | DLE EOT and IDs (3) |
| |
|
|
DLE EOT and IDs (60)
0.5 second
Abnormal termination