I have a expansion trunk module m12xo 3 bay with a blinking red light with a clicking sound, I have tried to reset the fiber connection as well as power cycle the module, I am assuming this module will need to be replace. What would be the procedure to replacing the unit other than powering down the ksu while I do this as well as the copper and fiber connection? Any help would be most appreciated, the module is a release 3a
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