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132 Chapter 4
Troubleshooting Information
Checking Instruments
Checking RS-232 Instruments
If you cannot establish communication with a connected RS-232 instrument,
see the following table for suggested troubleshooting steps.
Possible Cause(s) Corrective Action(s)
Attempting to Communicate From the E5810 Web Access
Intermittent or missing RS-232
connection
Check RS-232 cable connections.
Verify that the RS-232 cable is the
correct cable for this application.
RS-232 device power not ON or
defective RS-232 device
Make sure RS-232 device power is
ON and the device is operating
properly.
RS-232 interface not configured for
attached device
Change E5810 RS-232 interface
attributes to match RS-232 device
attributes (baud rate, parity, etc.).
Attempting to Communicate Programmatically
VISA/SICL not configured Run the Connection Expert utility
(see Chapter 2 - Installing the
E5810).
Incorrect VISA/SICL address Check VISA/SICL address being
used.