■Plugging or unplugging of external interface cards

■Maintenance and inspections (repairing, and regular diagnosis and maintenance)

Caution – The following tasks regarding this product and the optional products provided from Fujitsu Siemens Computers should only be performed by a certified service engineer. Users must not perform these tasks. Incorrect operation of these tasks may cause malfunction.

■Unpacking optional adapters and such packages delivered to the users

■Plugging or unplugging of external interface cards

Remodeling/Rebuilding

Caution – Any modification and/or recycling of this product and its components may be carried out only by a certified service engineer and must not be done by the customer under any circumstances.

Otherwise, electric shock, injury or fire may result.

Emission of Laser Beam (Invisible)

Caution – The main unit and high-speed optical interconnect cabinet contain modules that generate invisible laser radiation.

Laser beams are generated while the equipment is operating, even if an optical cable is disconnected or a cover is removed.

Do not look at any light-emitting part directly or through an optical apparatus (e.g., magnifying glass, microscope).

xxvi SPARC Enterprise M8000/M9000 Servers Overview Guide • April 2007