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2.2 Installing the Advanced Hybrid System
Installation Manual
35
Notes
Do not block the openings of the cabinet. Leave at least 20 cm of space above and 10 cm 
to the sides of the PBX for ventilation.
Make sure that the wall behind the cabinet is flat and free of obstacles, so that the openings 
on the back of the cabinet will not be blocked.
Be careful not to drop the cabinet.