HP Cluster Platform c–Class Blade Cable Management Bracket Installation Guide *5991-6764* Printed in the US HP Part Number: 5991-6764 Published: October 2006
© Copyright 2006 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein. Printed in the U.S.A.
1 Preparing for Installation Audience This guide is intended for HP service representatives and other persons trained to install hardware options in HP 10000–series racks. Such persons are expected to understand the hazards of working in this environment and to take suitable precautions to minimize danger to themselves and others.
The fasteners specified in Table 1-1 “Fasteners” are required to secure the bracket to the rack columns. These fasteners are provided with HP 10000–series racks. Table 1-1 Fasteners Qty. Size Format Torque Description 2 M6 cage nuts Square nut N/A Cage nut for M6 machine screw. A square nut that clips into the rear face of the rack column 2 M6 screws Pan-head machine screw 25–30 in/lb Rack machine screw. For use with M6 cage nut.
2 Aligning the Bracket Figure 2-1 “Bracket Orientation” shows the correct orientation of the cable management bracket which you must install before connecting the cables to the InfiniBand switch module. During the cabling procedure, the bracket provides strain relief for the InfiniBand ports, and maintains the correct minimum cable bend radius. Figure 2-1 Bracket Orientation Callout 1 shows the bracket's mounting hook, installed in one of the square holes in the left rear rack column.
Table 2-1 Bracket Mount Locations 6 InfiniBand Switch Module Bay Relative U Location Bay 3 and 4. 4th U down from the top of the Top cutout. blades enclosure. Middle cutout. Bay 5 and 6. 4th U down from the top of the Bottom cutout. blades enclosure. Top cutout of the next U location below (5th). Bay 7 and 8. 5th U down from the top of the Middle cutout. blades enclosure. Bottom cutout.
3 Installing and Using the Bracket One bracket is required for each 8–port InfiniBand switch module, typically installed in bays 3 and 4 of the c-Class server blade enclosure in HP Cluster Platform. When installed, the bracket occupies less than 1U (1.75 inches) of rack column space.
Figure 3-2 Cables Installed It is not normally necessary to dismantle or remove the bracket in order to perform any service operations on the blades enclosure, such as replacing InfiniBand switch modules. However, if you need to remove the bracket, use the following procedure: 1. 2. 3. 4. 8 Bring the cluster and the rack to a power-safe and stable state.
