User`s manual

97
CHAPTER 3 COMMUNICATIONS BY THE MODEM FUNCTION
3
3.3 Specifications
(b) Callback function designation and callback operation outline
Here the setting values for "Callback function designation" items in the "Modem function system setting" screen
and an outline of the corresponding Q Series C24 callback operation are explained.
*1 Values in parentheses are values when the set values are stored in buffer memory (Address: 2001H).
*2 If the connection system is set on "Auto (Callback: during fixed/Callback: during designated number)" and line
connection is executed, (Setting 1 to Setting 3) are explained in 5).
1) If the callback function is not used (Auto (0H) (Default Value)
• Select this if the callback function is not being used.
• Data communications becomes possible after line connection from GX Developer.
2) If the callback destination GX Developer is fixed (1 module) (Setting 1 (9H) or setting 4 (1H))
• Select this if the Q Series C24 fixes the telephone No. (1 module) of the GX Developer side that is being
called back.
• The Q Series C24 executes callback to the GX Developer side using connection data set in the following
data No. 1 for callback, shown below. At this time, the external line dialing, line types and telephone
number in the connection data become valid.
• Set callback data No. 1 in the "Modem function system settings" screen.
If line connections are being made with "Callback connection (during fixed)" as the connection system
Function
Setting values for "Callback function designation" items.
If you desire to set the connection
system on "auto" and carry out
line connection
If you set the connection system
on "auto" and do not carry out
line connection
1) If the callback function is not used
Auto (0H)
*1

2) If the callback destination GX Developer is fixed (1 module)
(Callback connection (during fixed))
Setting 1 (9H)
*1*2
Setting 4 (1H)
*1
3) If it is being made possible to change the callback destination GX Developer
(Callback connection (during designated number))
Setting 2 (BH)
*1*2
Setting 5 (3H)
*1
4) If the maximum number of callback destination GX Developer is limited to 10
modules
(Callback connection (during max. designated number is 10))
Setting 3 (FH)
*1*2
Setting 6 (7H)
*1
Modem
GX Developer
Modem
1) Line Connection
(Callback connection (during fixed))
2) Temporary line disconnection
3) Line connection to Telephone No. 1
4) Access to the QCPU
Setting of callback function
designation settings by the
GX Configurator-SC
Selection of the
connection system
and line connections
5) Line disconnection
Processing by the callback function
Processing for the GX Developer
to access the QCPU
Callback data No. 1 Telephone No. 1)
Callback data No. 2
Callback data No. 3
Callback data No. 10
Telephone No. 2)
Telephone No. 3)
Telephone No. 10)
Registration in the Q Series C24
Not used
to to