Agilent Technologies E5810A manual Checking RS-232 Instruments, Chapter

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	Check RS-232 cable connections.
connection	Verify that the RS-232 cable is the
	correct cable for this application.
RS-232 device power not ON or	Make sure RS-232 device power is
defective RS-232 device	ON and the device is operating
	properly.
RS-232 interface not configured for	Change E5810 RS-232 interface
attached device	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.

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