
4. PROTOCOL A B-63322EN-1/01
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4.6
ERROR PROCESS
1) Open-line error
When the following error occurs, it may be an open line error.
Restart the initialization of remote buffer for recovering the line.
When the line is recovered, it waits for transmission of SYN and
is SYN wait status.
The procedures are the same as those of initialization on power
on other than continuation or SYN of host computer.
(1) Framing error
(2) Overrun error
(3) Parity error
(4) Data Set Ready off
(5) Buffer full (the transmission stop request is unacceptable.)
(6) Time out
(7) Number of retry times has been exceeded.
2) Reception error
Ignore the reception data and restart the reception of SAT
command at the remote buffer side when the following errors
occurs.
(1) Number of retry times exceeded
Number of RTY reception times + Number of
retransmission by checksum error > Ne
(2) Command error
Message format error
Reception of undefined command
Reception of unexpected command
(3) Overrun
This results if the transmission stop request is not accepted
and the reception buffer is overflown.
3) Reception during transmission
Data received during transmission is ignored.