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HP D5970A - NetServer - LCII Manual
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HP D5970A - NetServer - LCII Manual

HP D5970A - NetServer - LCII Manual

Rack cabling reference
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HP NetServer LPr

Rack Cabling Reference
HP Part Number D6129-90005
Printed in October 1998

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Summary of Contents for HP D5970A - NetServer - LCII

  • Page 1: Hp Netserver Lpr

    HP NetServer LPr Rack Cabling Reference HP Part Number D6129-90005 Printed in October 1998...

  • Page 2: Audience Assumptions

    Hewlett-Packard assumes no responsibility for the use or reliability of its software on equipment that is not furnished by Hewlett-Packard.

  • Page 3: Table Of Contents

    Contents 1 About This Cabling Reference ..............1 Introduction....................1 Before You Use This Reference..............1 Purpose of This Document.................1 Building an HP NetServer Rack ..............2 Suggested Method for Building an HP NetServer Rack Installation ....2 General Cabling Warnings and Cautions............9 Unterminated Power Cords Require Licensed Electrician......9 Prevent Electric Shock................9 Prevent Damage to Components .............
  • Page 4 Contents 200/208V PDU Rack Power Configurations..........36 230/240V PDU Rack Power Configurations..........39 High Density Configurations................. 42 120 VAC High Density Example............... 42 208 VAC High Density Example............... 44 Power Up the Components in the Rack ............46 Power Up Sequence ................46 Power Down Considerations ..............

  • Page 5: About This Cabling Reference

    1 About This Cabling Reference Introduction Before You Use This Reference This cabling reference assumes: You have completed the rack assembly process. You have rack-mounted the HP NetServer LPr and other components. You are ready to cable the components in the rack. For instructions on how to install the HP NetServer LPr in a rack, see Chapter 9 in the HP NetServer LPr Installation Guide.

  • Page 6: Building An Hp Netserver Rack

    Chapter 1 About This Cabling Reference Power cabling information for rack-mounted electronic components Power, current, and component reference information Building an HP NetServer Rack Suggested Method for Building an HP NetServer Rack Installation Check Site Preparation Use the Site Preparation Checklist in Chapter 2 of this reference to be sure that all necessary preparations have been completed, including: Customer network and software responsibility met Site electrical power supply setup complete...
  • Page 7 Chapter 1 About This Cabling Reference Verify Shipment and Unpack Server and Storage Unit WARNING The LPr weighs about 40 pounds (18 kg.). Take appropriate lifting precautions when moving it. Get help when removing or replacing an LPr towards the top of a 2 meter rack. Compare the order documents to the packing list or to a list of boxes received.
  • Page 8 Chapter 1 About This Cabling Reference Unpack Rack Enclosures and Hardware, and Remove the Shipping Panels, Doors, and Side Panels (If applicable) WARNING Use care in moving the rack down from the pallet. Three people are required for this step. 1.
  • Page 9 Chapter 1 About This Cabling Reference Unpack Remaining Components Unpack each component in the order in which you assemble them (from the bottom of the rack upward). Each package contains rack installation instructions or a user guide. NOTE If an Uninterruptible Power Supply (UPS) is included, plug it in as soon as you unbox it.
  • Page 10 Chapter 1 About This Cabling Reference NOTE HP Rack System product numbers J1487B, J1487B option AXH, and J1488A require door hardware to be in place before mounting components. If you are using front or rear doors, be sure the hinge and latch hardware is mounted before putting on any other hardware.
  • Page 11 Chapter 1 About This Cabling Reference You can also use the HP NetServer rack configuration tools (for instance, HP Rack Assistant) to make ordering easier and to automatically check that orders are complete. These tools can be found on the HP web site. Use a Web browser to go to the following URL: http://www.hp.com/go/netserver Then use the Search function with the words: "rack configuration tools."...
  • Page 12 Chapter 1 About This Cabling Reference CAUTION Tip-over hazard exists. Servers are heavy and may be awkward to position on their mounting rails. Therefore, always minimize the weight to be mounted into the rack by removing power supplies modules and hard disk modules from the NetServer.

  • Page 13: General Cabling Warnings And Cautions

    Chapter 1 About This Cabling Reference Attach power cables Connect each component to a Power Distribution Unit (PDU) or Units. Connect PDU cables to Uninterruptible Power Supply (UPS) and UPS cables to Branch Circuits--if present. Route and secure cables Route cables through Cable Guide and tie them in place. Power on the components in the rack.

  • Page 14: Prevent Damage To Components

    Chapter 1 About This Cabling Reference 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 15: Connecting And Routing Cables To The Hp Netserver Lpr

    2 Connecting and Routing Cables to the HP NetServer LPr Introduction Overview of Cabling Steps This chapter includes information on cabling the server and other components in a rack, including how to: do site preparation prepare for cabling data and power attach data cables attach power cables route cables...

  • Page 16: Site Preparation

    Chapter 2 Connecting and Routing Cables to the HP NetServer LPr Figure 2-1. The HP NetServer LPr Site Preparation You may want to copy and use the site preparation checklist. Site Preparation Checklist Table 2-1. Site Preparation Checklist HP NetServer Customer Responsibilities Logical and physical network design provided Server configuration parameters determined Disk partition and directory structure determined...
  • Page 17 Chapter 2 Connecting and Routing Cables to the HP NetServer LPr Floor Ensure the floor where the NetServer rack is to be installed is level. Assess floor strength and ensure it is sufficient to support the type of rack you have ordered.

  • Page 18: Site Preparation: Circuit Breakers

    Chapter 2 Connecting and Routing Cables to the HP NetServer LPr System Parameters Hostname IP address Subnet Mask Gateway IP Address Gateway Host Name DTC Node Name Hardware Configuration, Cables, and Additional Devices Availability of I/O paths and SCSI addresses for add-on devices Availability of I/O backplane slots, memory slots, and so on Valid, supportable configuration for added devices, interfaces, memory, and so forth Correct type and length of cables, as specified in order documents...

  • Page 19: Cabling Preparation For The Hp Netserver Lpr

    Chapter 2 Connecting and Routing Cables to the HP NetServer LPr For multiple LPr units in a rack, use a 16-amp-minimum circuit with one IEC MCB D-type breaker for each 16-amp Power Distribution Unit. NOTE Some local codes do not allow a 16-amp device to be connected to a 16-amp service.
  • Page 20 Chapter 2 Connecting and Routing Cables to the HP NetServer LPr Three Types of Power Distribution Unit The three types of Power Distribution Units (PDUs) currently supplied are shown in Figure 2-2: The 100/120 VAC PDU (HP product number E7675A) is designed to fit horizontally between the columns of the rack, but can also be mounted vertically along the outside edge of the vertical column.
  • Page 21 Chapter 2 Connecting and Routing Cables to the HP NetServer LPr 10-Amp and 10-Amp Wide 16-Amp, with Ranging, Jumper Cord 208/230 VAC Available as Order E7672A Separately as E7670A Daisy Chain to 16-Amp 16-Amp, 110 VAC PDU, E7675A 16-Amp, Wide Ranging, 208/230 VAC, E7671A, Power Cord Separately Orderable...
  • Page 22 Chapter 2 Connecting and Routing Cables to the HP NetServer LPr Table 2-2. PDU Placement Is not Recommended Behind These Units HP Product Name Can PDU Be Mounted Reason Behind? HP NetServer LPr Yes, but horizontal Horizontal mounting on mounting requires special rear columns causes rear brackets interference with rear panel...
  • Page 23 Chapter 2 Connecting and Routing Cables to the HP NetServer LPr Figure 2-3 shows an LPr rack installation with PDUs mounted in three ways: Vertically on the rear rack column Horizontally on the rear rack column Horizontally on the extended version of the rear brackets that hold the LPr chassis in the rack Mounting of four PDUs in a...
  • Page 24 Chapter 2 Connecting and Routing Cables to the HP NetServer LPr Mounting the PDU Horizontally NOTE For additional information, see the instruction sheet that came with the PDU. Installation Steps To mount a PDU horizontally, follow these steps: 1. Determine the exact location of the PDU. A PDU is not recommended behind certain HP units, as shown in Table 2-2.
  • Page 25 Chapter 2 Connecting and Routing Cables to the HP NetServer LPr 19-Inch Power Locate EIA unit and decide Distribution Unit which mounting holes to use. Horizontal Mounting Detail Insert screw. Secure with hex nut and lock washer. Tighten screw and nut so washer breaks paint to make earth ground.
  • Page 26 Chapter 2 Connecting and Routing Cables to the HP NetServer LPr Mounting the PDU on an LPr Rear Bracket-PDU In high-density LPr installations, you may choose to mount PDUs on the rear brackets which are also used to mount each LPr chassis. These optional rear bracket PDUs come with each LPr.
  • Page 27 Chapter 2 Connecting and Routing Cables to the HP NetServer LPr Rear Column Rail Foot Rear Bracket-PDU Figure 2-5. LPr Rear Bracket for PDU Support...
  • Page 28 Chapter 2 Connecting and Routing Cables to the HP NetServer LPr Mounting the PDU Vertically NOTE For additional information, see the instruction sheet that came with the PDU. If mounted vertically, the PDU spans 11 EIA units. In this position, it cannot be placed beside (in the same EIA units as) the LXr Pro8 because receptacles will be covered.
  • Page 29 Chapter 2 Connecting and Routing Cables to the HP NetServer LPr Installation Steps To mount a PDU vertically, follow these steps: 1. Locate the PDU on the side of the rack opposite the cable guide(s). Avoid the door latch near the center of the rack. The receptacles of the PDU should face inward, not rearward.

  • Page 30: Attach Data Cables

    Chapter 2 Connecting and Routing Cables to the HP NetServer LPr bracket of the PDU, and through the face of the vertical column. Start it in the nut. See Figure 2-6. 3. Insert a screw through the other mounting bracket of the PDU, through the vertical column, and into a nut.

  • Page 31: Attach Data Cables To The Server

    Chapter 2 Connecting and Routing Cables to the HP NetServer LPr HP NetServer Rack Storage/8 LPr Cabled for Configured Configuration Single Bus Figure 2-7. Overview of Data Cabling of the HP NetServer LPr NOTE Figure 2-7 shows an optional HP Console Switch for informational purposes.

  • Page 32: Attach Data Cables To Other Components

    Chapter 2 Connecting and Routing Cables to the HP NetServer LPr NOTE Be sure SCSI channels are appropriately terminated. Attach Data Cables to Other Components 1. Using the colored cable ties and labels attached to each data cable previously, connect each cable to its component. 2.
  • Page 33 Chapter 2 Connecting and Routing Cables to the HP NetServer LPr Refer to the user's guide that came for your console switch for additional information. Figure 2-9 shows a rack configuration where two stacked console switches connect fourteen LPr servers to a monitor, keyboard, and mouse. 2 Console Switches 14 LPr...

  • Page 34: Attach Power Cables

    Chapter 2 Connecting and Routing Cables to the HP NetServer LPr Attach Power Cables When all components have been mounted in the rack and their data cables connected, the Power Distribution Units (PDU) can be positioned and the power cables can be attached. Attaching Server and Component Power Cables 1.

  • Page 35: Determining And Balancing Current Draw On Multiple Circuits In One Rack

    Chapter 2 Connecting and Routing Cables to the HP NetServer LPr Determining and Balancing Current Draw on Multiple Circuits in One Rack If you use more than one circuits or power line (each including a Power Distribution Unit and an optional Uninterruptible Power Supply) in one rack, attempt to balance the current drawn through each.
  • Page 36 Chapter 2 Connecting and Routing Cables to the HP NetServer LPr Locations of Receptacles for Jumper Cables for a Typical Rack LPr NetServer (1) Monitor (1) 2 HP Console Switches (1 Power Receptacle for each) 2 LPr NetServers (1 Power Receptacle for each) 11 LPr NetServers (1 Power Receptacle for each) Figure 2-10.

  • Page 37: Power Cabling

    Chapter 2 Connecting and Routing Cables to the HP NetServer LPr Power Cabling Power Considerations for the HP NetServer LPr The HP NetServer LPr supports four voltage ranges with typical values of: 100, 120, 208, or 230/240 VAC. Uniterruptible Power Supply (UPS) and Power Distribution Unit (PDU) components are available to support these configurations.
  • Page 38 Chapter 2 Connecting and Routing Cables to the HP NetServer LPr Alternate 100 - 120 VAC Power Configurations When the 100-120 VAC PDU is used without a UPS in the rack, the PDU needs one branch circuit with a NEMA 5-20 receptacle. NOTE PDUs, UPSs, and power cables will vary from those presented here to meet Japanese standards.
  • Page 39 Chapter 2 Connecting and Routing Cables to the HP NetServer LPr Recommended 100/120 VAC Power Configuration for the LPr HP NetServer LPr Mass Storage Unit Jumper Cables NEMA 5-15P to IEC 320 C-14 Uninterruptible Power Supply NEMA 5-20P 120 VAC, 16-Amp Detachable Cord NEMA 5-20P to IEC 320 C-20 Figure 2-11.

  • Page 40: 200/208V Pdu Rack Power Configurations

    Chapter 2 Connecting and Routing Cables to the HP NetServer LPr Two 120 V PDUs per UPS Possible Two 120 VAC PDUs can be plugged into the UPS in this 120 V power configuration. There are also six NEMA 5-15R receptacles in the standard UPS which can be used for equipment in the same rack if needed.
  • Page 41 Chapter 2 Connecting and Routing Cables to the HP NetServer LPr Description of the Recommended 200/208 VAC Configuration Figure 2-12 shows a UPS connected to the power mains through a captive cord terminated with an L6-20P plug. The UPS has five receptacles for use in the rack: two NEMA 5-15 (on the right rear) providing 110 VAC, two L6-20R, and one L6-30R, providing 208VAC.
  • Page 42 Chapter 2 Connecting and Routing Cables to the HP NetServer LPr Recommended 200/208 VAC Power Configuration for the LPr HP NetServer Mass Storage Unit Jumper Cables, E7742A, with C-14 ends Uninterruptible Power Supply Captive L6-20P Cord 16-Amp Power Distribution Unit, E7671A Cable Ordered for 16-Amp PDU, E7801A L6-20P to IEC 320 C-19, 2.5 m...

  • Page 43: 230/240V Pdu Rack Power Configurations

    Chapter 2 Connecting and Routing Cables to the HP NetServer LPr 230/240V PDU Rack Power Configurations Configurations for the 230/240 VAC, PDU options are shown in the text below, Table 5 and Figure 230/240 VAC Power Configuration In a country with a 230/240 VAC power system, the high-voltage (230/240 V) PDU model E7671A is required.
  • Page 44 Chapter 2 Connecting and Routing Cables to the HP NetServer LPr Table 2-5. 230/240 VAC PDU Power and Current Component Model Power (W) Current (A) (Note 1) Note 2 230/240 VAC PDU E7671A maximum HP NetServer LPr All models HP NetServer D4902A Rack Storage/8 HP NetServer...
  • Page 45 Chapter 2 Connecting and Routing Cables to the HP NetServer LPr Recommended 230/240 VAC LPr Configuration HP NetServer LPr Mass Storage Unit Jumper Cables Uninterruptible E7742A, with Power Supply C-14 to C-14 Ends Detachable Cord 16-Amp Power with (for example) Distribution Unit CEE7/7 Plug, E7671A...

  • Page 46: High Density Configurations

    Chapter 2 Connecting and Routing Cables to the HP NetServer LPr High Density Configurations This section presents two examples of a rack configured with 20 LPr servers. One shows power distribution for 120 VAC and the other for 208 VAC. 120 VAC High Density Example As shown in Figure 2-14, one PDU (E7675A) can support three LPr servers at 120 VAC.
  • Page 47 Chapter 2 Connecting and Routing Cables to the HP NetServer LPr Figure 2-15. 120VAC High Density Example NOTE Choosing a high-voltage level will reduce the number of PDUs as shown in the following section.

  • Page 48: 208 Vac High Density Example

    Chapter 2 Connecting and Routing Cables to the HP NetServer LPr 208 VAC High Density Example As shown in Figure 2-16, one PDU (E7671A) is required to support five LPr servers at 208 VAC. Figure 2-16. PDU Utilization at 208VAC...
  • Page 49 Chapter 2 Connecting and Routing Cables to the HP NetServer LPr Figure 2-17 shows four PDUs arranged to deliver 120VAC to a rack of 20 LPr servers. Figure 2-17. 208VAC High Density Example...

  • Page 50: Power Up The Components In The Rack

    Chapter 2 Connecting and Routing Cables to the HP NetServer LPr Power Up the Components in the Rack Follow the Power Up Sequence to minimize initial surge currents and prevent breakers from tripping. Power Up Sequence 1. Ensure that the mass storage unit DIP switches are set for SCSI ID spin- up order.

  • Page 51: Cabling Reference Information

    3 Cabling Reference Information Power Cords and Component Reference Table 3-1 gives details of the plugs and receptacles for three different power alternatives for use with the HP NetServer LPr. Table 3-1. LPr Plugs and Receptacles Reference Item 100/120VAC 200/208VAC 230/240VAC LPr, RS/8 Line Cord 8120-8378...

  • Page 52: Wide-Ranging Pdu Configurations

    Chapter 3 Cabling Reference Information Note 1. For 100 VAC systems, separately orderable cables and UPS are available. Note 2. Consult American Power Corporation (APC) for model number of 100 VAC unit. Note 3. For 100 VAC, order a PDU power cord with appropriate connector. Wide-Ranging PDU Configurations Use of four possible 208 - 240 VAC PDU configurations depends upon the power requirements of the devices in the rack.
  • Page 53 Chapter 3 Cabling Reference Information Table 3-3. Receptacles Needed for Different Units Component Receptacles Required HP NetServer LPr one C13, NEMA 5-15R HP NetServer LH 3r one or two C13 HP NetServer Pro8 one C19 HP Rack Storage/8 two C13 or use Y-Cable* All other devices one C13 * Two Y-Cables may be used to connect two HP Rack Storage/8 units...

  • Page 54: Power And Current For Estimating Supply Needs

    Chapter 3 Cabling Reference Information Power and Current for Estimating Supply Needs Table 3-4. 100 VAC Power and Current: Approximate Current Requirements of Rack Optimized Devices and Components Device Input Input 100v (Notes 1, 2, 3) Power Power (W) IRMS (VA) (Amps) HP NetServer LPr...
  • Page 55 Chapter 3 Cabling Reference Information Table 3-5. 120 VAC Power and Current: Approximate Current Requirements of Rack Optimized Devices and Components Device Input Input 120v (Notes 1, 2, 3) Power Power (W) IRMS (VA) (Amps) HP NetServer LPr HP NetServer LXr 8000 Not Supported HP NetServer LH 4r 1160...
  • Page 56 Chapter 3 Cabling Reference Information Table 3-6. 200/208 VAC Power and Current: Approximate Current Requirements of Rack Optimized Devices and Components Device Input Input 200/208v (Notes 1, 2, 3) Power Power (W) IRMS (VA) (Amps) HP NetServer LPr HP NetServer LXr 8000 1121 1077 HP NetServer LH 4r...

  • Page 57: Data Cabling Principles Used In Determining Rack Locations

    Chapter 3 Cabling Reference Information Table 3-7. 230/240 VAC Power and Current: Approximate Current Requirements of Rack Optimized Devices and Components Device Input Input 230/240v (Notes 1, 2, 3) Power Power (W) IRMS (VA) (Amps) HP NetServer LPr HP NetServer LXr 8000 1121 1077 HP NetServer LH 4r...

  • Page 58: Placement Considerations Due To Data Cable Lengths

    Chapter 3 Cabling Reference Information This is a summary of key cabling guidelines. For complete details, see the HP rack configuration tools located on the worldwide web. Key guidelines help you ensure that: component placement from rack to rack is consistent the cables supplied with components will reach between them as intended there is provision for a "cable management loop"...

  • Page 59: Cooling Requirements For The Hp Netserver Lpr

    Chapter 3 Cabling Reference Information Cooling Requirements for the HP NetServer LPr The HP NetServer LPr should be kept at an operating temperature between 68 and 72 degrees F. Because of the heat generated by the HP NetServer LPr, both the front and rear doors of the rack have perforated surfaces.

  • Page 61: A Specifications

    Appendix A Specifications Weight and Dimensions Weight approx. 40 lbs Width 17.6 inches Depth 28 inches Height 3.5 inches Power Supply Type Auto-ranging Input - Nominal 115 VAC, at 50/60 Hz 230 VAC, at 50/60 Hz Input - Max. Range 88 to 140 VAC at 47 - 63 Hz 180 to 264 VAC at 47 - 63 Hz Operating Current...

  • Page 63: Index

    Index 200/208 VAC table of devices, 52 230/240 VAC table of devices, 53 air flow in the rack, 55 grounding the rack enclosure, 21, 26 cable management how to attach the Cable Guide, 15 power cords within occupied area, 30 HP Console Switch power cords within same EIA unit, use with LPr, 26...
  • Page 64 Index configuration guidelines, 48 do not daisy chain 100/120 VAC, 33 determining and balancing load on electrical ground, 21, 26 double PDUs, 31 electrical ground connection for the rack, 9, 10 how to mount the PDU, 15 mounting limitations, 20 electrical shock prevention, 10 mounting the model vertically, 24 electrostatic damage (ESD)

This manual is also suitable for:

Lc2000r - netserver - 128 mb ramLh3000r - netserver - 128 mb ramLh4r - netserver - 256 mb ramLh6000r - netserver - 0 mb ramNetserver lpr

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