Chapter 12: Troubleshooting - Visonic Remote Programmer Software User Manual

Chapter 12: Troubleshooting

PROBLEM
A. The Remote
Programmer
doesn't identify
the modem
B. Failure to com-
municate with the
control panel via
the modem.
DE5450S Remote Programmer Guide Rev. 8
DIAGNOSIS
A1. Your modem
might be OFF or
loosely
connected.
A2. You may have a
COM\IRQ
conflict.
B1. You may have a
conflict with the
definitions in the
communication
mode window.
B2. Your modem is
set to work at a
high baud rate.
B3. The modem type
is different from
the type
displayed in the
OPTIONS menu /
Communications
tab.
Chapter 12: Troubleshooting
POSSIBLE SOLUTION
A1. Make sure the modem is turned ON. A
power switch is available on any
external modem. The light on the front
panel should illuminate.
Note: An internal modem is powered
up when the computer is turned on.
Check whether the cable connectors are
fitted securely to their respective ports:
The line connector in case of an

internal modem
The line and RS-232 connectors in

case of an external modem.
A2. Check whether you have the correct
Com port and IRQ settings in your
software and/or in the Windows Control
Panel. Also verify that there are no
conflicts with other devices.
B1. Make sure you selected the Telephone
Modem option in the communication
mode window. Also verify that the
correct modem and INIT string are
specified.
B2. You need to set the baud rate to 300
bps
B3. Check that the correct modem type has
been selected.
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