HP Cluster Platform Interconnects v2010 Quadrics QsNetII Interconnect - Page 7
Removing and Replacing Cluster Components
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Safety Considerations To avoid bodily harm and damage to electronic components, read the following safety and comfort guidelines before unpacking and configuring the cluster components. Heed the following additional warnings and refer to the Cluster Platform Overview and Site Preparation Guide to obtain specific information on safety issues. Before working on any cluster components, be sure to read the component-specific safety information that is in the documentation provided for each component. Avoiding Electrical Shocks To avoid electrical shock, do not open the power supplies or any other parts and components that bear a warning label. There are no user-serviceable parts inside. Only certified technicians should perform the following tasks: • Adding electrical circuits for the cluster. • Checking ground paths. • Measuring voltage levels of completed circuits. Laser Radiation Do not open a CD-ROM reader or DVD reader laser module. There are no user-serviceable parts inside. The laser module should be serviced by service personnel only. Do not attempt to make any adjustment to the laser unit. See the label on the unit for power requirements and wavelength. HP recommends that you read the ergonomics information provided on the documentation CD-ROM before using your system. Moving and Stabilizing Racks To reduce the risk of personal injury or damage to equipment in the cluster racks, do not attempt to move the racks without adequate assistance, due to their height and weight. Also, do not attempt to move a rack on an incline that is greater than 10 degrees from the horizontal. No rack stabilization kits are provided with the cluster. For a multiple-rack installation, ensure that the racks are coupled together using the specified baying kit. Removing and Replacing Cluster Components Many cluster components are not equipped with extendable rail kits and cable management devices. Refer to the cluster documentation for instructions on how to move components in the rack. There are no safety interlocks which prevent the extension of multiple components at the same time. To reduce the risk of personal injury or damage to equipment in the cluster racks, do not attempt to extend more than one component from a rack at a time. The rack might become unstable and tip over if more than one component is extended. Be careful when pressing component rail release latches and sliding a component into the rack. The slide rails can pinch your fingertips. If you need to remove more than one component from a rack for any reason, always start from the top of the rack and remove the lightest items first. When reloading the rack, start from the bottom of the rack and replace the heaviest items first. Safety Considerations vii