Sharp XE-A201

XE-A201UC
– 6 –
4) Up-loading matrix for the satellite
Time-up: Four seconds after sending of text.
Two second after sending of ENQ.
STATE Initial After receiving ID-ENQ and sending ACK. After sending NAK
EVENT 0 1 2
ID-ENQ
Satellite checks the terminal No.:If it is cor-
rect, satellite sends ACK and goes to 1.
If it is not correct, satellite ignores the ID-
ENQ.
Satellite checks the terminal No.:If it is cor-
rect, satellite sends ACK and goes to 1.
If it is not correct, satellite ignores the ID-
ENQ.
.
ACK ...
NAK ...
EOT ..
Satellite goes to 0.
(ERROR END)
TEXT .
Satellite checks the text block, if the block
is correct, satellite sends ACK and goes to
3.
If it is not correct, Satellite sends NAK and
goes to 2.
If transmission cannot be continued, satel-
lite sends EOT and goes to 0.
(ERROR END)
Satellite checks the text block, if the block
is correct, satellite sends ACK and goes to
3.
If it is not correct, Satellite sends NAK and
goes to 2.
If transmission cannot be continued, satel-
lite sends EOT and goes to 0.
(ERROR END)
TIME-UP .
Satellite goes to 0.
(ERROR END)
Time-up is 7 seconds
Satellite goes to 0.
(ERROR END)
Time-up is 7 seconds
STATE After receiving text and sending ACK After sending ENQ After sending TEXT
EVENT
345
ID-ENQ ...
ACK .
Satellite sends the text and goes to 5. Satellite sends the text and goes to 5, or
sends the EOT and goes to 0.
(Normal END)
NAK ..
Resends the text and then goes to 5.
If satellite has resent the text two times,
sends EOT and goes to 0.
(ERROR END)
EOT
Satellite sends ENQ and goes to 4. Resends the ENQ and then goes to 4.
If satellite has resent the ENQ two times,
sends EOT and goes to 0.
(ERROR END)
Satellite goes to 0.
(ERROR END)
TEXT
Satellite checks the text block, if the block
is correct, satellite sends ACK and goes to
3.
If it is not correct, satellite sends NAK and
goes to 2.
If transmission cannot be continued, satel-
lite sends EOT and goes to 0.
(ERROR END)
..
TIME-UP
The host goes to 0.
(ERROR END)
Time-up is 7 seconds
Resends the ENQ and then goes to 4.
If satellite has resent the ENQ two times,
sends EOT and goes to 0.
(ERROR END)
Resends the text and then goes to 5.
If satellite has resent the text two times,
sends EOT and goes to 0.
(ERROR END)