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Chapter 5
Troubleshooting
Optical Interface Cable
Many manufactures of PC software and hardware use
the COM (serial) port(s). It is difficult to predict potential
COM port conflicts. If the Optical Interface Cable’s wand
tip is not flashing, there are a few steps that can be
taken in order to find the source of the problem.
• Make sure that the Optical Interface Cable is
securely plugged in. The Optical Interface Cable
may appear to be properly connected but only be
partially plugged in.
• Try a different serial port. If the PC has more than
one serial port, try another port to see if the Optical
interface flashes.
• Determine if you have any other Windows
programs using the serial port. PC faxing
programs or other programs that use the COM port
can cause conflicts during data transmission. To
verify that no other programs are running and
causing communication problems, shut down your
computer and restart it before you run EventView
software.
• Verify that your serial port settings are correct.
In Windows 3.1 you can use the Microsoft
Diagnostics program,
MSD.EXE
, to find out the
number of installed serial ports in your PC, and
their settings. These settings should be the same
as those displayed in the advanced section of
“Ports” in the Windows 3.1 Control Panel. Exit
Windows or restart the computer in MS-DOS mode
before running
MSD
. If you have an internal