Gpib troubleshooting – EXFO FLS-5800 CD/PMD Analyzer Source User Manual
Page 53
Troubleshooting
47
GPIB Troubleshooting
GPIB Troubleshooting
Problem
Probable Cause
Solution
Unable to communicate
with CD/PMD Analyzer
Source (no response from
*IDN? command).
Incorrect
communication type
selected.
Select the correct
communication type: RS-232 or
GPIB.
Incorrect
communication
parameters.
Check the communication
parameters: bus address, baud
rate, flow control, etc., as
required.
Incorrect termination
characters.
Synchronize termination
characters between the GPIB
controller and the SCPI manager.
Poor bus connection.
Ensure the functionning of the
controller card and make sure
that the bus cable is properly
connected.
Improper configuration. Verify that the GPIB interface is
properly configured.
Receive “Undefined
header” error.
Incorrect command
syntax.
Verify and correct syntax.
Unstable communication.
Incorrect termination
character.
Synchronize termination
characters between the GPIB
controller and the SCPI manager.
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