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classe
DR
classement
LGISDNeng 6.5
numéro
002.02
date
09/11/04
page
17/22
Requirements for the modem:
GSM, ISDN or modem for analogue commutated line connected to COM1 or COM2 (it can be
even a virtual one formed through USB).
Auto-bauding or fixed communication rate set to 9,600 Bd.
Potential other requirements for modem setting given by the communication netw ork
connected that are usually to be set in the initialising chain have to be located in the initialising
chain in the national configuration file gsmset.cfg in the directory gsmset. The chain is added
behind the command ATE0 (echo sw itching off):
Inimodem=“ATE0“
E.g. inimodem=“ATE0X3“ to sw itch off “dial tone“ detection.
Work from configuration through RS-232 can be turned on to configuration through modem by
marking the “modem“ parameter in the GSMSET program. Another element – “ListBox“ for
selection of the telephone number of the gate that w ill be configured in a remote w ay w ill
appear under the field for ISDN parameters setting.
The background information for this list is read from the file “modems.csv“ in the directory of
the GSMSET program. The program w ill list the background data in alphabetical order
automatically. The file can be created either manually in any text editor, by export from any
database or table program (csv format separated w ith commas) or by exporting an Outlook
directory w ith the appropriate items (again, csv format separated w ith commas). The names of
individual items or columns should be “name“, “ modem“, “file“. The “name“ field is to be used to
save an identifier (name of location, etc.) of the gate. The telephone number of the first module
of the gate should be entered in the “ modem“ field. The “ref” field is intended for a program for
batch (mass) remote configurations that utilizes the same background data. If such
background data (file) do not exist, it is possible to write the required telephone number for
connection directly in the w indow .
By confirming your selection from the list (double-click) or by confirmation of the w ritten
number ( Enter), the system w ill take the telephone number selected for connection into
account. The valid selection is confirmed by a change of colour of the field w ith the selection.
To reduce the number of errors (accidental change of the number by unwanted clicking, etc.),
the colour of the field is turned to w hite in case of repeated selection and it is necessary to
confirm your selection again.
After confirmed selection of the number of the gate configured in a remote w ay, it is possible to
work with the program in the same w ay as in case of local configuration. When clicking on the
corresponding button, the program w ill alw ays perform initialisation of the modem at first, dial
the telephone number selected and establish connection w ith the selected gate. After
connection is established, it reads or stores data. Operation is again indicated w ith LEDs in the
corresponding pushed button. Data transfer at remote configuration is slow er and for that
reason, also the LEDs flash slow er and configuration takes more time. After data transfer
termination, the program w ill interrupt connection automatically and the modem w ill hang up. If
any error occurs during communication w ith the modem, the program w ill report the error. If
any error (transfer error, wrong password, etc.) occurs during connection, the program w ill
detect the error again w ith the corresponding error message and w ill terminate connection
automatically again and the modem w ill hang up.
