The IBM 7040-W42 System Rack provides space for mounting system drawer components for pSeries 655 servers and 7040-61D I/O drawers. The Model W42 is a 24-inch rack that provides 42U of rack space.

The 7040-W42 utilizes a 350 V DC bulk power subsystem to provide power for the components within the rack. The bulk power subsystem incorporates redundant bulk power assemblies mounted in the front and rear sections of the top 8U of the rack.

System Rack -- (7040-W42)

The IBM 7040-W42 System Rack provides space for mounting system drawer components for pSeries 655 servers and 7040-61D I/O drawers. The Model W42 is a 24-inch rack that provides 42U of rack space.

The 7040-W42 utilizes a 350 V DC bulk power subsystem to provide power for the components within the rack. The bulk power subsystem incorporates redundant bulk power assemblies mounted in the front and rear sections of the top 8U of the rack.

7040-W42 System Rack Configuration and Limitations

• The 7040-W42 System Rack is a 24-inch rack with an integrated power subsystem to support the pSeries servers such as the pSeries 655 (7039-651). It provides 42U of rack space.
• Over time, the 7040-W42 rack will be utilized in multi-rack clusters. Rack indicators (such as #4651) will be used to identify the racks within the cluster and specify the desired rack in which to place various rack mounted components.
• The 7040-W42 rack must have door assemblies installed. The following door assemblies are available:
  • A sculptured black front door with copper accent (#6076) is available for the Model W42 rack, used in conjunction with the slim line rear door (#6078). This combination should be utilized for installations where system footprint is the primary consideration.
  • An sculpted black front acoustic door (#6119) is available for the Model W42 rack, used in conjunction with the acoustic rear door (#6079). This combination should be utilized for installations requiring a quieter environment.
• If additional external communication and storage devices are required 7014-T00 or T42 racks should be utilized. There is no limit on the quantity of 7014 racks allowed.
• The height of the 7040-W42 rack (42U) may require special handling when shipping by air or when moving under a low doorway.
• The weight of the 7040-W42 rack (42U) may require special handling during movement to the customer installation.
• The 7040-W42 rack incorporates two bulk power assemblies (#8690). These provide 350V DC power for devices located in the W42 rack. These bulk power assemblies are mounted in front and rear positions and occupy the top 8U of the rack. To provide optimum system availability these bulk power assemblies should be powered from separate power sources via separate line cords.
• Bulk power regulators (#6186) interface to the bulk power assemblies to ensure proper power is supplied to the systems components. The number of bulk power regulators required is configuration dependent based on the number of CECs and I/O drawers installed. The following table provides the number of bulk power regulators required for each combination of CECs and I/O drawers.