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Power cycle procedure for camera/USB fiber extender

NOTE: This may not be necessary if one uses Dan's ~ddamiani/reset_andor.sh script described below.

Occasionally after power cycling the camera or everything if there was a power outage the USB fiber extender will come back in a bad state where it won't communicate with the camera. One time we saw these errors in /var/log/messages when the VLS camera broke:

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Workaround for RIX ANDOR-DIR hang

NOTE: We have seen cases where this does not work and we are forced to power cycle daq-rix-andor-01 to recover.

This is for when the camera is visible with "lsusb | grep Andor" (note uppercase "A") but the camera isn't communicating:

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