EXFO PSO-100 Series Optical Sampling Oscilloscopes - Manual (Page 98)

Troubleshooting
90 PSO-100
Solving Common Problems
No signal is shown in the
application, only samples at the
zero level.
³
Power is too low.
³
Wavelength is not
appropriate.
³
Dirty contacts.
³
Increase signal
power.
³
Use the
1520-1565 nm
wavelength
region.
³
Clean the input
contacts. If you
send in a lot of
power and the
contacts are dirty,
the input contact
may be damaged
and must be
repaired.
Windows indocates that it
found new hardware when you
insert the USB cable
³
You are using a
new USB port
(Windows XP).
³
The USB driver is
not installed.
³
Use the correct
USB port (the one
you used when
the USB driver
was installed) or
install the driver
on the new port.
³
Install the USB
driver.
Problem Cause Possible Solution