Connect the camera head to the body via the optical link before
powering the camera. Disconnecting the head from the body during
operation requires both parts to be powered down and reconnected
before powering up the system again.
Figure 136: Correctly aligned fibre connectors
Cleaning of fibre connectors
Cleaning of the fibre connectors is an important task. Only use cleaning
devices certified for SMPTE 311 connectors, like the “IBC M20” which is
delivered with the camera package. Never use compressed air or any
other uncertified cleaning method, as this could permanently damage
or destroy the fibre connectors.
Both dry and wet cleaning tools are available, with the dry cleaners
having proved to be more efficient for regular cleaning, while the wet
cleaners are better with strong and sticky contaminations.
Regular cleaning of at least one time per day is recommended, as well
as any time the signal quality deteriorates.
Fibre connection status
Next to the fibre connectors of the ALEXA M is a fibre status LED that
reflects the signal strength.
A green LED reflects a good signal strength.
If the LED is alternately flashing between green and amber, the signal is
weak, which can be caused by dirty connectors, faulty cables, or a bad
connection. Power down the camera, clean the connectors, reconnect
the cable to the camera and repower the camera in this particular order.
If the problem does not go away, swap the cable.
An amber LED indicates a link error. The camera must be rebooted. If
the link error reoccurs, follow the steps described for the green/amber
flashing LED.
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