EXFO FLS-2200 Broadband Source - Manual (Page 85)

Troubleshooting
Broadband Source 77
Solving GPIB Common Problems
Solving GPIB Common Problems
Problem Probable Cause Solution
Unable to communicate
with Broadband 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 functioning 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.