User`s manual

149
CHAPTER 3 COMMUNICATIONS BY THE MODEM FUNCTION
3
3.4 Start-up of the Modem Function
(3) I/O signals used in line connection
Connection request signal (Y11), dial in progress signal (X11), connection in progress signal (X12) and
initialization/connection abnormal completion signal (X13) are used.
When performing the line connection from the Q series C24 side only following the completion of
initialization
*
*
(OFF)
30000
(ON)
(OFF)
(ON)
Y11
Y10
X11
X12
Y11
Y10
X11
X12
X13
Connection
request
Initialization
completion
Dial in progress
Connection in
progress
RS-232 CD terminal
Dial
Buffer memory for
connection
Address: 35H (53)
Retry (In case of three times)
Initialization/
connection
abnormal completion
Abnormal completion
Connection
request
Initialization
completion
Dial in progress
Connection in
progress
RS-232 CD terminal
Dial
Normal completion
Dial Dial Dial
Result code
receive
(Dialing)
*
Set "Display a result code using
the AT command" in the local station
side modem.
Connection channel and retry operation are performed using the buffer memory setting.