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General requirements for racks
If you intend to install BladeCenter T units in a rack other than an IBM NetBAY
rack, verify that the rack meets these requirements:
v The rack-mounting flanges have holes and clearances per EIA-310-D.
v Sufficient room in front of the front EIA flange to provide bezel clearance.
v Sufficient room behind the rear of the rear EIA flanges to provide room for cable
v Rack should provide an adequate flow of cooling air and prevent recirculation of
v Racks doors must be perforated.
v Rack weight-handling capacity should be sufficient for the aggregate weight of
v Racks need to be stabilized so that the rack does not become unstable when
Power considerations for Type 8720
The BladeCenter T Type 8720 has redundant power modules. DC power resources
must be adequate to not only supply the required voltage and amperage, but should
also be designed to take advantage of the power redundancy provided by the
BladeCenter T unit. Table 13 on page 57 shows how power is provided to the
BladeCenter T components.
56
BladeCenter T Types 8720 and 8730: Planning and Installation Guide
EIA-310-D requires this space to be a minimum of 49 mm deep.
management and routing.
warm air from the rear to the front.
the BladeCenter T units, blade servers, power distribution units, and power
cables.
fully loaded.
Notes:
1. IBM has tested and offers rack kits for NEBS and ETSI Seismic racks. Do not
place racks directly against a wall because, if service is needed, the service
representative will need access to the back of the BladeCenter T unit.
2. All equipment installed in a UTF or 2- or 4-post racks has to be removed
from the rack, and then the rack can be moved to its new location. These
racks must be bolted to the floor and then the equipment can be installed in
the racks again.
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