B&B Electronics VFG3000 - Manual - Manual (Page 48)

W ORKING WITH M ODEMS V LINX F IELDBUS G ATEWAY M ANAGER U SER M ANUAL
P AGE 32
A
DDING A
D
IAL
-I
N
C
ONNECTION
To add a dial-in connection to your database, open the Communications window and select
the serial port to which the connection will be made. Click on the Edit button of Driver field
in the right-hand pane, and select the PPP and Modem Server driver from the System section
of the selection dialog…
The right-hand pane will now show the modem configuration…
The modem has the following configuration options…
• The Connect Using property is used to select the physical device to be used to
make the connection. The devices supported at this time are direct serial
connections to computers running the Microsoft Windows operating system,
generic landline modems which implement the Hayes command set, and the
Telit GM-862 GSM mode. For dial-in connections, the Telit device must be
configured in Circuit Switched Data mode.
• The Activity Timeout property is used to define how long a period must pass
without the Gateway sending a packet over the PPP link in order for the
connection to be terminated. For dial-in connections, it is assumed that the
connecting device is friendly, so no effort will be made to filter out optional
packets that might result in the link staying active for long periods. Note that