
P r e f a c e
Safety Guidelines
Caution ! If this product is used in a manner not specified by the manufacturer, the protection provided by the product may be impaired.
!The enclosure MUST be grounded before applying power.
Warning
!Unplug the product if you think that it has become damaged in any way and before you move it.
Warning
Caution !
To comply with applicable safety, emission, and thermal requirements, keep all enclosure covers securely fitted and keep all bays fitted with
Enclosures must be only operated from a power supply input voltage range of 100 V AC to 240 V AC.When a redundant power input module is fitted, it must be operated from a reduced input voltage range of 200 V AC to 240 V AC.
The plug on the power supply cord is used as the main disconnect device. Ensure that the socket outlets are located near the product and are easily accessible.
The product is intended to operate with three working Plus. Before removal/replacement of any module disconnect all supply power for complete isolation.
To ensure protection against electric shock caused by HIGH
!LEAKAGE CURRENT (TOUCH CURRENT), the enclosure must be connected to at least two separate and independent
Warning sources. This should ensure a reliable earth connection
IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide | iii |