HP ProCurve Planning And Implementation Manual
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HP ProCurve Planning And Implementation Manual

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PoE Planning and
Implementation Guide
PoE
HP ProCurve
Power over Ethernet Devices
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  • Page 1 PoE Planning and Implementation Guide HP ProCurve Power over Ethernet Devices www.hp.com/go/hpprocurve...
  • Page 3 HP ProCurve PoE Planning and Implementation Guide...
  • Page 4 Hewlett-Packard. damages in connection with the furnishing, performance, or use of this material. Publication Number The only warranties for HP products and services are set forth in 5990-8801 the express warranty statements accompanying such products and August 2004 services.

  • Page 5: Table Of Contents

    2 Operating Rules HP 600 RPS/EPS and HP 610 EPS Operation ......2-1 Redundant Switch Power ........2-2 Operating Characteristics .
  • Page 6 Glossary Index...

  • Page 7: Introduction

    Introduction This chapter provides an overview of Power over Ethernet (PoE) and a list of reasons why a user might want to implement PoE in their environment. It discusses how PoE transmits power over twisted pair cable and the capabili- ties of the devices used to provide PoE.
  • Page 8 HP 610 Mitel 3300 HP 5300xl IP PBX LED Mode PoE-Ready 10/100-TX Ports (1-24) – all ports are HP Auto-MDIX LED Mode PoE-Ready 10/100-TX Ports (1-24) – all ports are HP Auto-MDIX Status Status Link...

  • Page 9: Power Through The Cable

    Introduction Overview The appliance can be easily moved, to wherever you can lay a LAN cable - minimal disruption to the workplace. Safer - no AC voltages need to be added for additional network devices. As well as the data transfer to and from the appliance, you can use SNMP network management infrastructure to monitor and control the appliances.

  • Page 10: Poe Capabilities Of The Products

    2650-PWR switch devices. It also provides PoE power to the HP ProCurve Switch xl PoE Module. The HP 610 EPS can also be used for this purpose, to supply PoE power only. The HP 610 EPS cannot supply RPS power, it can only supply PoE power.

  • Page 11: Operating Rules

    HP 600 RPS/EPS provides power to the switch within 1 millisecond. The HP 600 RPS/EPS supports hot plugging of an RPS or EPS cable. For more information refer to the documentation that came with the HP 600 RPS/EPS.

  • Page 12: Redundant Switch Power

    +12V power to a connected switch, but only one port can provide this power at a given time. If a switch with no AC power is connected to an operating HP 600 RPS/EPS, it will receive power if power is available (no higher priority port is already using the RPS power).

  • Page 13: External Switch Power

    However, if you are using an HP 610 EPS and you connect one port of pair A to a Switch 2626-PWR and one port of pair B to an HP ProCurve Switch xl PoE Module, they each will receive 408 watts.

  • Page 14: Maximum Poe Power

    3-5. * If both EPS ports on the HP 600 RPS/EPS or both ports of a pair on the HP 610 EPS are connected to switches, each switch can receive 204 watts of power. If a single switch is connected to the EPS ports, that switch can receive 408 watts.

  • Page 15: Switch Port Priority

    PoE power to the switch. If two switch devices are connected to the EPS ports on the HP 600 RPS/EPS or to both ports of a pair on the HP 610 EPS, only 204 watts are provided to the switch if the internal PoE power supply fails.

  • Page 16: Switch Priority Class

    Operating Rules External Switch Power Switch Priority Class Port priority classification can be used by the switch to allocate power to ports. It is a prioritization scheme by which the user can assign a low (default), high, or critical priority to any given port. This assignment is done through the command line interface (see the software manual that came with your switch) of the switch and alters the hardware port-number priority for power allocation.
  • Page 17 Operating Rules External Switch Power Table 2-2. Power Usage Class Usage Minimum Power Levels Range of Maximum at Output of PSE Power required by the PD Default 15.4 Watts 0.44 to 12.95 Watts Optional 4.0 Watts 0.44 to 3.84 Watts Optional 7.0 Watts 3.84 to 6.49 Watts...
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  • Page 19: Planning

    Which devices to plug into which ports and with what priorities? Are the appliances to be powered by PoE power supported? Supported Products The HP ProCurve Switch 2600-PWR Series devices and the HP ProCurve Switch xl PoE Module support any products that meet the IEEE 802.3af PoE standard.

  • Page 20: Number Of Pds Per Switch

    PoE devices quickly and easily. There are three configurations: one for the HP ProCurve Switch 2626-PWR, one for the HP ProCurve 2650-PWR, and one for the HP ProCurve Switch xl PoE Module. Each shows a complete configuration including an optional HP 600 RPS/EPS or HP 610 EPS unit.

  • Page 21: Hp Procurve 2626-Pwr Configurations

    2626-PWR is used alone. When used with the HP 600 RPS/EPS or HP 610 EPS unit, PoE power is available to the PoE ports should the internal PoE power supply fail. Table entries show the PoE power available when the HP 600 RPS/EPS or HP 610 EPS alone provides PoE power.
  • Page 22 Power Supply) When two switches are connected to the HP 600 RPS/EPS ports, the PoE power available to each switch is a maximum of 204 W. If all of your PDs consume on average less than 7.6 W each (allowing for any line loss) then all 24 ports will receive redundant power should a switch’s internal PoE...

  • Page 23: Hp Procurve 2650-Pwr Configurations

    PoE power when the switch is powered by just the HP 600 RPS/EPS or HP 610 EPS unit may be less than the number of ports powered when both the switch and the HP 600 RPS/EPS or HP 610 EPS unit are supplying power.
  • Page 24 Planning Planning Your PoE Configuration HP 600 RPS/EPS HP ProCurve Switch 2650-PWR Figure 3-3. Example of an HP 600 RPS/EPS Power One Switch Source of Watts # of Ports Powered and Redundant # of Ports Power Available Average Watts/Port Powered and Average Watts/...
  • Page 25 Planning Planning Your PoE Configuration HP 600 RPS/EPS HP ProCurve Switch 2650-PWR Figure 3-4. Example of an HP 600 RPS/EPS Powering Two Switches Source of Watts # of Ports Powered and Redundant # of Ports Power Available Average Watts/Port Powered and Average Watts/...
  • Page 26 Fan/Temp Status Fault Fan/Temp Status flash = Temperature too high Fan/Temp Status + Fault flash = Fan failure Figure 3-5. Example of an HP 610 EPS Powering Four Switches Source of Watts # of Ports Powered and Redundant # of Ports...

  • Page 27: Hp Procurve Switch Xl Poe Module Configurations

    Planning Your PoE Configuration HP ProCurve Switch xl PoE Module Configurations For the HP ProCurve Switch xl PoE Module to function it must be installed in an HP ProCurve Switch 5300xl. The module will receive it’s operational power from the switch and it’s PoE power from the HP 600 RPS/EPS or an HP 610 EPS.
  • Page 28 HP 600 RPS/EPS Figure 3-7. Example of an HP 600 RPS/EPS Powering Two Modules In this example there are two modules connected to the HP 600 RPS/EPS, therefore each module will be supplied with 204 watts of PoE power to be distributed to each modules 24 ports at 8.5 watts per port.
  • Page 29 Figure 3-8. Example of an HP 610 EPS Powering Two Modules In this example there are two modules connected to the HP 610 EPS. Each module will be supplied with 408 watts of PoE power to be distributed to each modules 24 ports at 15.4 watts per port, because each module is connected to...
  • Page 30 HP 610 RPS/EPS Figure 3-9. Example of an HP 610 EPS Powering Two Modules In this example there are two modules connected to the HP 610 EPS, however each module will be supplied with 204 watts of PoE power to be distributed to each module’s 24 ports at 8.5 watts per port, because both modules are...
  • Page 31 HP 610 RPS/EPS Figure 3-10. Example of an HP 610 EPS Powering Four Modules In this example there are four modules connected to the HP 610 EPS, therefore each module will be supplied with 204 watts of PoE power to be distributed to each module’s 24 ports at 8.5 watts per port.

  • Page 32: Infrastructure Requirements

    Planning Infrastructure Requirements Infrastructure Requirements Air conditioning. Power supplies create a great amount of heat. Ensure you have enough cool air to maintain an ambient temperature between 0°C to 50°C (32°F to 131°F) around the switch devices inside the rack. Power requirements.Ensure you have enough power supplied to the area where the switches will be mounted.
  • Page 33 Glossary Glossary active PoE port - PoE-enabled port connected to a PD and currently delivering power. priority class - Refers to the type of power prioritization where the switch uses Low (the default), High, and Critical priority assignments to determine which groups of ports will receive power.
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  • Page 35 … 2-2 HP 610 EPS external power allocation … 2-3 operation … 2-1 redundant switch power … 2-2 HP ProCurve Switch xl PoE Module … 1-4–2-1, 2-3 RPS, operating characteristics … 2-2 Introduction … 1-1 switches 2626-PWR, 2650-PWR, Switch 2600-PWR Series …...
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  • Page 40 Technical information in this document is subject to change without notice. ©Copyright 2001, 2004 Hewlett-Packard Development Company, L.P. Reproduction, adaptation, or translation without prior written permission is prohibited except as allowed under the copyright laws. Printed in Taiwan August 2004 Manual Part Number 5990-8801 *5990-8801*...

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