IBM Power 770, Technical Overview And Introduction

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IBM Power 770 and 780 (9117-MMD, 9179-MHD) Technical Overview and Introduction
The IBM 42U Slim Rack (7953-94Y) differs from the IBM 42U enterprise rack (7014-B42 or
7014-T42) in several aspects. Both provide 42U of vertical space, are 1100 mm deep, and
have an interior rail-to-rail depth of 715 mm. However, the IBM 42U Slim Rack is 600 mm
wide; the B42/T42 is 645 mm wide with side covers. For clients with 2-foot floor tiles, the extra
45 mm (1.77-inch) width of the enterprise rack can sometimes cause challenges when cutting
holes in the floor tiles for cabling.
The 42U Slim Rack has a lockable perforated front steel door, providing ventilation, physical
security, and visibility of indicator lights in the installed equipment within. In the rear, either a
lockable perforated rear steel door (FC EC02) or a lockable rear door heat exchanger (RDHX;
1164-95X) is used. Lockable optional side panels (FC EC03) increase the rack’s aesthetics,
help control airflow through the rack, and provide physical security. Multiple 42U Slim Racks
can be bolted together to create a rack suite (indicate feature EC04).
Up to six optional 1U PDUs can be placed vertically in the sides of the rack. Additional PDUs
can be located horizontally, but they each will use 1U of space in this position.
1.12.5 Feature code 0555 rack
The 1.3-meter rack (FC 0555) is a 25U (EIA units) rack. The rack that is delivered as FC 0555
is the same rack delivered when you order the 7014-S25 rack. The included features might
differ. The FC 0555 is supported, but it is no longer orderable.
1.12.6 Feature code 0551 rack
The 1.8-meter rack (FC 0551) is a 36U (EIA units) rack. The rack that is delivered as FC 0551
is the same rack delivered when you order the 7014-T00 rack. The included features might
differ. Several features that are delivered as part of the 7014-T00 must be ordered separately
with the FC 0551.
1.12.7 Feature code 0553 rack
The 2.0-meter rack (FC 0553) is a 42U (EIA units) rack. The rack that is delivered as FC 0553
is the same rack delivered when you order the 7014-T42 or B42 rack. The included features
might differ. Several features that are delivered as part of the 7014-T42 or B42 must be
ordered separately with the FC 0553.
1.12.8 The AC power distribution unit and rack content
For rack models T00, T42 and the slim 94Y, 12-outlet PDUs are available. These include
PDUs Universal UTG0247 Connector (FC 9FC 9188 and FC 7188) and Intelligent PDU+
Universal UTG0247 Connector (FC 7109).
Four PDUs can be mounted vertically in the back of the T00 and T42 racks. Six PDUs can be
mounted vertically in the 94Y. Figure 1-5 on page 33 shows the placement of the four
vertically mounted PDUs. In the rear of the rack, two additional PDUs can be installed
horizontally in the T00 rack and three in the T42 rack. The four vertical mounting locations will
be filled first in the T00 and T42 racks. Mounting PDUs horizontally consumes 1U per PDU
and reduces the space available for other racked components. When mounting PDUs
horizontally, use fillers in the EIA units occupied by these PDUs to facilitate proper air flow
and ventilation in the rack.