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DATA LINK TO GTI UNITS LBI-3907
7
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Figure 31 - System Configuration Screen with External Modem Pop-up Window
8. The presence of the Interconnect Monitor screen means that the communications path is OK. You may now use it to
transfer user database parameters (such as System Config, Telco Config, and DID User Config information) to the
system, retrieve billing files from the system, and balance hybrids and set levels in the system. For more information
about these specific operations, see their respective sections later in this manual.
NOTE
If the GTI Configurator fails to make contact with the GTI unit, try the following:
Check the cabling (step 1).
Check the baud rate DIP switch section positions on the GTI unit (step 2).
Check the COM port selection.
Make sure your modems are powered on.
Check the number of the telephone line connected to the GTI unit.
Verify that the interrupt jumpers for the COM port are set right: IRQ4 for COM1 or IRQ3 for COM2.
See the Initialization Command String Change heading below.
Initial Command String Change
The GTI Configurator and the modem on the GTI Configurator side of the telephone exchange require an initial exchange of
data, or handshake. The default handshake parameters in the GTI Configurator have been set for a Hayes or Hayes-
compatible modem. If the modem you are using does not respond to the Hayes "ATZ" and "ATDT" commands, you may have
to change the initialization command string sent by the GTI Configurator to the modem. To change the initialization
command string, select (highlight) the Change PC Modem Parms operation from the Other group in the Main Menu screen,
and press the Enter key to display a new screen. In the STATUS window, type in the new initialization command string,
following the on-screen instructions.