User guide

Remote Control
Tunable Laser Source 141
GPIB Troubleshooting
GPIB Troubleshooting
Problem Probable Cause Solution
Unable to
communicate with
the Tunable Laser
Source (no response
from *IDN?
command).
Incorrect
communication type
selected.
Select the correct
communication type:
RS-232, GPIB, or DDE.
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.
Unstable
communications.
Incorrect termination
character.
Synchronize termination
characters between the
GPIB Controller and the
SCPI Manager.