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HP NetServer LH 3000r Reference Manual

Rack cabling
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HP NetServer LH 3000r
Rack Cabling Reference Guide

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Summary of Contents for HP NetServer LH 3000r

  • Page 1 HP NetServer LH 3000r Rack Cabling Reference Guide...
  • Page 2 Notice The information contained in this document is subject to change without notice. Hewlett-Packard makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Hewlett-Packard shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this material.

  • Page 3: Table Of Contents

    Cooling Requirements for the LH 3000r ............30 3 Procedure for Connecting and Routing Cables to the LH 3000r ..... 31 Step 1: Prepare to Cable the HP NetServer LH 3000r ........31 Assess How Components Will be Connected to the Server...... 31 Attach Cable Guide to Rack Column............
  • Page 4 Contents Overview of LH 3000r Data Connections ..........32 Attach Data Cables to the Server............. 35 Attach Data Cables to Other Components ..........37 Step 3: Cable the LH 3000r for Power............37 Attaching Server and Component Power Cables........37 Determining and Balancing Current Draw on Two Circuits in One Rack ...

  • Page 5: Preparation For Cabling The Netserver Lh 3000R

    If you want a high-level checklist to use in this process, see Appendix A. For instructions on how to install the HP NetServer LH 3000r in a rack, consult the Installation Road Map shipped with your rack or the Installation Guide shipped with your NetServer unit.

  • Page 6: Site Preparation

    Chapter 1 Preparation for Cabling the HP NetServer LH 3000r Figure 1-1. The HP NetServer LH 3000r Site Preparation You may want to copy and use the site preparation checklist in this section (Table 1-1). Doing so before you begin to install and cable the NetServer may reveal actions you can take to support your success.

  • Page 7: Site Preparation Checklist

    Chapter 1 Preparation for Cabling the HP NetServer LH 3000r Site Preparation Checklist Table 1-1. Site Preparation Checklist HP NetServer General Guidelines Logical and physical network design provided Server configuration parameters determined Disk partition and directory structure determined Required incoming power and data cabling in place...

  • Page 8: Site Preparation -- Circuit Breakers

    Correct type and length of cables, as specified in order documents Site Preparation -- Circuit Breakers When you connect the HP NetServer LH 3000r to an AC power source, the server temporarily draws a large “inrush current.” This occurs even when the system is in...

  • Page 9: Rack Assembly And Cabling Cautions And Warnings

    Inrush current is much greater than the server’s normal operating needs. Generally, your external AC power source can handle the inrush current. However, if you install several HP NetServers on one circuit, precautions are necessary. For instance, if there is a power failure and power is then restored all the servers immediately begin to draw inrush current at the same time.

  • Page 10: Prevent Electrical Shock

    Chapter 1 Preparation for Cabling the HP NetServer LH 3000r Prevent Electrical Shock WARNING Ensure site electrical circuits have reliable earth grounding. Never operate products in any rack enclosure with the ground connector disconnected. Although leakage current from any one device may be minimal, cumulative leakage current of equipment mounted in a rack may exceed 5mA, and could reach 15mA.

  • Page 11: Generic Rack Assembly Steps

    Compare the order documents to the packing list or to a list of boxes received. Check to see that all parts are present. Unpack the HP NetServer and external storage and tape backup units (if any were ordered).
  • Page 12 Chapter 1 Preparation for Cabling the HP NetServer LH 3000r 3. Prepare Rack Enclosures for Assembly WARNING A tip-over hazard exists. Rack enclosures are shipped upright and are top-heavy. Never move enclosures without adequate equipment and assistance. Use caution to prevent rack from falling over and causing potential damage or injury.
  • Page 13 Chapter 1 Preparation for Cabling the HP NetServer LH 3000r WARNING When equipment is mounted on slides, a tip-over hazard exists. Always take the precautions listed below: • Extend or bolt on the anti-tip foot for each rack before mounting equipment on slides.
  • Page 14 If you are using front or rear doors on older models of the HP Systems Rack, be sure the hinge and latch hardware is mounted before putting on any other hardware.
  • Page 15 HP NetServer rack configuration tools (for instance, HP Rack Assistant) make ordering easier and automatically check that orders are complete. These tools can be found on the HP web site. Use the Search function with the words “rack configuration tools” at the following URL: http://www.hp.com/go/netserver...
  • Page 16 Chapter 1 Preparation for Cabling the HP NetServer LH 3000r NOTE For both safety and accessibility, always start assembly at the bottom of the rack and work upward. 4. Be sure to locate and place rack nuts along the front outside face of the vertical column before placing each component on its rails or base.
  • Page 17 Chapter 1 Preparation for Cabling the HP NetServer LH 3000r • Determine configurations for and mount the PDU (Power Distribution Unit or Units). Connect the LH 3000r Data Cables to Peripheral Components • Plan where data connections are to be made.

  • Page 19: Rack Cabling References

    Cable Management Arm and Cable Guide • cooling requirements and air flow HP rack configuration tools are available on the worldwide web. Enter the following URL in your browser: www.hp.com/go/netserver At that Web site, search for "configuration tools". Look for Rack Configuration, Rack Assistant, and Order Assistant.

  • Page 20: Power Cabling References And Guidelines

    Power Cabling References and Guidelines Power Considerations for the HP NetServer LH 3000r The HP NetServer LH 3000r can be configured in a wide range of voltages from 100 - 240 VAC. Power supply (UPS) and distribution (PDU) components are available to support these configurations.

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