Appendices
201
! Abnormal termination of phase 2 (Abort of phase 2)
If the sending station receives no sequence of DLE ACK and IDs from the receiving station after sending
a sequence of DLE ENQ and IDs 59 times in succession, then it sends a sequence of DLE EOT and IDs
to the receiving station after 0.5 second from the 59th sequence of DLE ENQ and IDs and then aborts
this transmission abnormally.
Phase 3: Release of Data Link
! Normal phase 3
The sending station transmits a sequence of DLE EOT and IDs to the receiving station. Upon receipt of
a sequence of DLE ACK and IDs from the receiving station, the sending station terminates the message
transmission normally and releases the data link.
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