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Section 5 - Troubleshooting
2/4/8 PORT SECURE KM: SM20N-3_SM40N-3_SM40NU-3_SM80N-3_SM80NU-3
SM80NU-3 SM80NU-3 SM80NU-3
fUSB
Problem:
fUSB is not working (two channels)
Solutions:
Check that computer USB and video cables are not crossed
i.e. computer #1 video is connected to channel #1 while USB
device is connected to channel #2.
Problem:
fUSB is not working (all channels)
Solutions:
Check that the USB device is properly connected to product
console.
Check that the fUSB status LED is steady green. If fUSB status LED
is not illuminated at all the device is not recognized by the
product. If fUSB status LED is flashing green device is rejected or
non-qualified for security reasons. To resolve please contact your
system administrator.
Problem:
fUSB is not working (one channel only)
Solutions:
Check that device is working properly when connected
directly to computer.
Check that there is a USB cable connected between the
computer and the relevant fUSB input port on product.
