SHARP ERA460 Repair Manual

4) Up-loading matrix for the satellite
STATEInitialAfter receiving ID-ENQ and sending ACK.After sending NAK
EVENT 012
Satellite checks the terminal No.:If it is Satellite checks the termcorrect, satelliteinal No.:If it is correct, satellite
ID-ENQsends ACK and goes to 1.sends ACK and goes to 1.?
If it is not correct, satellite ignores the ID-ENQ.If it is not correct, satellite ignores the ID-ENQ.
ACK???
NAK???
Satellite goes to 0.
EOT??
(ERROR END)
Satellite checks the text block, if the blSaock is cotellite rrechect,cks the text block, if the block is correct,
satellite sends ACK and goes to 3.Satellite sends ACK and goes to 3.
If it is not correct, Satellite sends NAK and goes to 2.If it is not correct, Satellite sends NAK and goes to 2.
TEXT?
If transmission cannot be continued, satellite sends EOTIf transmission cannot be continued, satellite sends EOT
and goes to 0.and goes to 0.
(ERROR END)(ERROR END)
Satellite goes to 0.Satellite goes to 0.
TIME-UP?(ERROR END)(ERROR END)
Time-up is 7 secondsTime-up is 7 seconds
STATEAfter receiving text and sending ACKAfter sending ENQAfter sending TEXT
- 10 -
EVENT 345
ID-ENQ???
Satellite sends the text and goes to 5.Satellite sends the text and goes to 5, or sends the EOT
ACK?and goes to 0.
(Normal END)
Resends the text and then goes to 5.
If satellite has resent the text two times, sends EOT and
NAK??
goes to 0.
(ERROR END)
Satellite sends ENQ and goes to 4.Resends the ENQ and then goes to 4.Satellite goes to 0.
If Satellite has resent the ENQ two times, sends EOT and(ERROR END)
EOT
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.
TEXT??
If transmission cannot be continued, satellite sends EOT
and goes to 0.
(ERROR END)
TIME-UPThe host goes to 0.Resends the ENQ and then goes to 4.Resends the text and then goes to 5.
(ERROR END)If satellite has resent the ENQ two times, sends EOT andIf satellite has resent the text two times, sends EOT and
Time-up is 7 secondsgoes to 0.goes to 0.
(ERROR END)(ERROR END)
Time-up: Four seconds after sending of text.
Two second after sending of ENQ.