Sharp XE-A201 - Page 10

XE-A201UC
– 9 –
5) Receiving sequence flow
LINE ESTABLISHED
DSR ON ?
DCD ON ?
RXRDY ?
READ 1 CHARACTER
EOT ?
ENQ ?
ACK ?
HALF
DUPLEX ?
TIME OUT ?
TIME OUT ?
SEND TEXT
LINE ESTABLISHED
RECEIVE ERROR
AFTER
RECEIVE
ER-OFF
COMMAND
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
ID. ENQ
∞
ACK or
NAK 4 sec
TEXT 7 sec
END CODE
NAK ?
BUFFER FULL ?
LINE ESTABLISHED
DTR OFF
RTS OFF
DSR OFF
INITIAL
YES
YES
YES
YES
YES
NO
30sec
DTR OFF
RTS OFF