HP J4899B User Manual

HP J4899B Manual

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  • HP J4899B | User Manual - Page 1
    installation and getting started guide hp procurve switch 2650 www.hp.com/go/hpprocurve
  • HP J4899B | User Manual - Page 2
  • HP J4899B | User Manual - Page 3
    HP Procurve Switch 2650 Installation and Getting Started Guide
  • HP J4899B | User Manual - Page 4
    software on equipment that is not furnished by Hewlett-Packard. Warranty See the Customer Support/Warranty booklet included with the product. A copy of the specific warranty terms applicable to your Hewlett-Packard products and replacement parts can be obtained from your HP Sales and Service Office
  • HP J4899B | User Manual - Page 5
    the HP Procurve Switch 2650 Front of the Switch 1-2 Network Ports 1-2 LEDs 1-3 Port LED View Select Button and Indicator LEDs 1-4 Reset Button 1-5 Clear Button 1-5 Back of the Switch 1-6 Console Port 1-6 Power Connector 1-6 Switch Features 1-7 2 Installing the Switch 2650 Included
  • HP J4899B | User Manual - Page 6
    4-9 Testing Twisted-Pair Cabling 4-10 Testing Switch-to-Device Network Communications 4-10 Testing End-to-End Network Communications 4-10 Restoring the Factory Default Configuration 4-11 Downloading New Switch Software 4-12 HP Customer Support Services 4-12 Before Calling Support 4-12 ii
  • HP J4899B | User Manual - Page 7
    A Specifications Physical A-1 Electrical A-1 Environmental A-1 Acoustic A-2 Connectors A-2 Safety A-2 Lasers A-2 B Switch Ports and Network Cables Switch Ports B-1 Twisted-Pair Cables B-1 Mode Conditioning Patch Cord for Gigabit-LX B-3 Installing the Patch Cord B-4 Recommended Patch Cords
  • HP J4899B | User Manual - Page 8
  • HP J4899B | User Manual - Page 9
    HP Procurve Switch 2650 (HPJ4899A) Power Fault hp procurve switch 2650 J4899A 12 1 Self Test Port Lnk LED View Act Fan Status FDx Spd 34 56 78 9 10 11 12 Reset Gigabit port Throughout this manual, this switch will be abbreviated as the Switch 2650. The Switch 2650 has 48 auto-sensing
  • HP J4899B | User Manual - Page 10
    HP Procurve Switch 2650 Front of the Switch Front of the Switch Power and Fault LEDs Self Test and Fan Status LEDs Switch port LEDs HP Procurve Switch 2650 Power Fault hp procurve switch 2650 J4899A 12 1 Self Test Port Lnk LED View Act Fan Status FDx Spd 34 56 78 9 10 11 12 Reset
  • HP J4899B | User Manual - Page 11
    Introducing the HP Procurve Switch 2650 Introducing the HP Procurve Switch 2650 Front of the Switch LEDs Table 1-1. Switch LEDs Switch LEDs State Meaning Power (green) On Green Off The switch is receiving power. The switch is NOT receiving power. Fault (orange) Off Blinking* The normal
  • HP J4899B | User Manual - Page 12
    to step from one view mode to the next. Port LED (one for each port) Power Fault hp procurve switch 2650 J4899A 12 1 Self Test Port Lnk LED View Act Fan Status FDx Spd 34 56 78 9 10 Reset Clear Spd mode: off = 10 Mbps, flash = 100 Mbps, on = 1000 Mbps Port LED View select button
  • HP J4899B | User Manual - Page 13
    , the web browser interface, and SNMP management are removed, and the factory default configuration is restored to the switch. For the specific method to restore the factory default configuration, see "Restoring the Factory Default Configuration" in chapter 4, "Troubleshooting" of this manual. 1-5
  • HP J4899B | User Manual - Page 14
    the HP Procurve Switch 2650 Introducing the HP Procurve Switch 2650 Back of the Switch Back of the Switch Cooling vent - make sure this is not obstructed for proper switch operation Console Console Port AC power connector Console Port This port is used to connect a console to the Switch 2650 by
  • HP J4899B | User Manual - Page 15
    end nodes into logical groupings that fit your business needs. ■ support for many advanced features to enhance network performance- for a description, see the Management and Configuration Guide, which is on the Documentation CD-ROM that is included with your switch. ■ download of new switch software
  • HP J4899B | User Manual - Page 16
  • HP J4899B | User Manual - Page 17
    PDF file copies of the documentation for the Switch 2650, including the Management and Configuration Guide, and for most other HP Procurve switches) ■ HP TopTools for Hubs & Switches - CD ROM and booklet ■ Console cable ■ Customer Support/Warranty booklet ■ Accessory kit (5064-2085) • two mounting
  • HP J4899B | User Manual - Page 18
    passes self test (page 2-8). This is a simple process of plugging the switch into a power source and observing that the LEDs on the switch's front panel indicate correct switch operation. 4. Mount the switch (page 2-10). The Switch 2650 can be mounted in a 19-inch telco rack, in an equipment cabinet
  • HP J4899B | User Manual - Page 19
    Installation Precautions: Follow these precautions when installing your HP Switch 2650. ■ The rack or cabinet should be adequately together the ampere ratings of all devices installed on the same circuit as the switch and compare the total with the rating limit for the circuit. The maximum ampere
  • HP J4899B | User Manual - Page 20
    2650 include the "HP Auto-MDIX" feature, which allows you to use either straight-through or crossover twisted-pair cables for connecting to any network devices including end nodes, such as computers, or to other switches, hubs, and routers. 10/100/1000Base-T For either 10, 100 Mbps, or 1000 Mbps
  • HP J4899B | User Manual - Page 21
    Installing the Switch 2650 Installing the Switch 2650 Installation Procedures Port Type Gigabit-SX (on Gigabit-SX-LC mini-GBIC) Gigabit-LX (on Gigabit-LX-LC mini-GBIC) Gigabit-LH (on Gigabit-LH-
  • HP J4899B | User Manual - Page 22
    Installing the Switch 2650 Installing the Switch 2650 Installation Procedures 2. Installing or Removing mini-GBICs You can install or remove a mini-GBIC from a mini-GBIC slot without having to power off the switch. Use only HP Procurve mini-GBICs. Notes ■ The mini-GBIC slots are shared with the
  • HP J4899B | User Manual - Page 23
    Note Removing the mini-GBICs: Installing the Switch 2650 Installation Procedures You should disconnect the network cable from the mini-GBIC before removing it from the switch. Depending on when you purchased your HP Procurve mini-GBIC, it may have either of three different release mechanisms: a
  • HP J4899B | User Manual - Page 24
    , and then into a properly grounded electrical outlet. Console Note Connect power cord to the power connector The Switch 2650 does not have a power switch. It is powered on when the power cord is connected to the switch and to a power source. For safety, the power outlet should be located near the
  • HP J4899B | User Manual - Page 25
    Switch 2650 Installing the Switch 2650 Installation Procedures 2. Check the LEDs on the switch as described below. Self Test LED Switch port LEDs Power Fault hp procurve switch 2650 J4899A 12 1 Self Test Port Lnk LED View Act Fan Status FDx Spd 34 Reset . In the default view mode (
  • HP J4899B | User Manual - Page 26
    can be mounted in these ways: ■ in a rack or cabinet ■ on a horizontal surface ■ on a wall Warning Rack or Cabinet Mounting The Switch 2650 is designed to be mounted in any EIA-standard 19-inch telco rack or communication equipment cabinet. Note that the mounting brackets have multiple mounting
  • HP J4899B | User Manual - Page 27
    Installation Procedures 1. Use a #1 Phillips (cross-head) screwdriver and attach the mounting brackets to the switch with the included 8-mm M4 screws. Installing the Switch 2650 8 mm M4 screws Note Note Note that the mounting brackets have multiple mounting holes and can be rotated allowing for
  • HP J4899B | User Manual - Page 28
    Installing the Switch 2650 Installing the Switch 2650 Installation Procedures 2. Partially install a screw (5/8-inch number 12-24) top hole of a close (0.5-inch) pair on both sides of the rack 3. Place the switch in the rack and lower it so the notches in the bottom of the bracket slide onto the
  • HP J4899B | User Manual - Page 29
    the other number 12-24 screw into the upper hole in each bracket. Tighten these screws. Install additional screw Installing the Switch 2650 Warning Caution Wall Mounting You can mount the switch on a wall as shown in the illustrations on the next page. For safe operation, do not install the
  • HP J4899B | User Manual - Page 30
    Procedures For "Bookshelf" Wall Mounting M4 screws 5/8-inch wood screw For "Flat" Wall Mounting M4 screws 5/8-inch wood screws Installing the Switch 2650 Second 5/8-inch wood screw (hidden) 2-14 Note that the brackets are attached on opposite corners. This improves the stability of the
  • HP J4899B | User Manual - Page 31
    Caution Installing the Switch 2650 Installation Procedures Horizontal Surface Mounting Place the switch on a table or other horizontal surface. The switch comes with rubber feet in the accessory kit that can be used to help keep the switch from sliding on the surface. Attach the rubber feet to the
  • HP J4899B | User Manual - Page 32
    at the other end of the cable. If the Link LED does not go on when the network cable is connected to the port, see "Diagnosing With the LEDs" in chapter 4, "Troubleshooting". To disconnect: Press the small tab on the plug and pull the plug out of the jack. hp procurve switch 2650 J4899A 12 1 Self
  • HP J4899B | User Manual - Page 33
    tools to help in troubleshooting ■ Download new software to the switch ■ Add passwords to control access to the switch from the console, web browser interface, and network management stations The console can be accessed through these methods: ■ Out-of-band: The Switch 2650 comes with a serial cable
  • HP J4899B | User Manual - Page 34
    for example: HP Procurve Switch 2650# If you want to continue with console management of the switch at this time, see chapter 3, "Getting Started With Switch Configuration" for some basic configuration steps. For more detailed information, refer to the Management and Configuration Guide, which is
  • HP J4899B | User Manual - Page 35
    are directly connected, as shown in the above illustration. Notice that the end node devices are connected to the switch by "straight-through" or "crossover" twisted-pair cables. Either cable type can be used because of the "HP Auto-MDIX" and "IEEE Auto MDI/MDI-X" features on the Switch 2650. 2-19
  • HP J4899B | User Manual - Page 36
    with the server that is connected to a 1000Base-T port on the switch. Because the Switch 2650 has the "HP Auto-MDIX" and "IEEE Auto MDI/ MDI-X" features, the connections between the switch and the hubs, and between the switch and end nodes or servers can be through category 5 "straight-through" or
  • HP J4899B | User Manual - Page 37
    only one (T or M) for each Gigabit port Printers Printers Installing the Switch 2650 Note The simpler desktop and segment networks shown in the previous two examples can easily be combined and expanded. For example, you could use an HP Procurve Switch 8000M to interconnect each of your smaller
  • HP J4899B | User Manual - Page 38
    managed through the Commander's IP address. The management includes Telnet access and web browser interface access to the Commander and to each Member switch through the Commander. For more information on stacking your Switch 2650, please see the Management and Configuration Guide, which is on the
  • HP J4899B | User Manual - Page 39
    , please see the Management and Configuration Guide, which is on the Documentation CD-ROM that came with your switch. Recommended Minimal Configuration In the factory default configuration, the switch has no IP (Internet Protocol) address and subnet mask, and no passwords. In this state, it can be
  • HP J4899B | User Manual - Page 40
    model number: HP Procurve Switch 2650# 2. At the prompt, enter the setup command to display the Switch Setup screen. The following illustration shows the Setup screen with the default settings. Getting Started With Switch Configuration 3. Use the [Tab] key to select the Manager Password field and
  • HP J4899B | User Manual - Page 41
    you set IP Config to Manual, then enter an IP address compatible with your network. Note: The IP address and subnet mask assigned for the switch must be compatible with the IP addressing used in your network. For more information on IP addressing, see the Management and Configuration Guide, which
  • HP J4899B | User Manual - Page 42
    interfaces and all the features that can be configured on the Switch 2650, please see the Management and Configuration Guide, which is on the Documentation CD-ROM that came with your switch. To Recover from a Lost Manager Password: If you cannot start a console session at the manager level because
  • HP J4899B | User Manual - Page 43
    is on the same subnet as the switch and connect to the switch's IP address. 3. You will see the copyright page and the message "Press any key to continue". Press a key, and you will then see the switch console command (CLI) prompt, for example: HP Procurve Switch 2650# Enter help or ? to see a list
  • HP J4899B | User Manual - Page 44
    Getting Started With Switch Configuration Using the IP Address for Remote Switch Management For more information on using the web browser interface, please see the Management and Configuration Guide, which is on the Documentation CD-ROM that came with your switch. An extensive help system is also
  • HP J4899B | User Manual - Page 45
    (page 4-8) ■ hardware diagnostic tests (page 4-9) ■ restoring the factory default configuration (page 4-11) ■ downloading new software to the Switch 2650 (page 4-12) ■ HP Customer Support Services (page 4-12) Basic Troubleshooting Tips Most problems are caused by the following situations. Check for
  • HP J4899B | User Manual - Page 46
    topology. If you no longer experience the problems, the new topology is probably at fault. Sample topologies are shown at the end of chapter 2 in this book, and some topology configuration guidelines can be found online at the HP Procurve web site, http://www.hp.com/go/ hpprocurve. In addition, you
  • HP J4899B | User Manual - Page 47
    Configuration Guide, which is on the Documentation CD-ROM that came with your switch. For more information on possible network problems and their solutions, refer to the technical note "Troubleshooting LAN Performance and Intermittent Connectivity Problems", which can be found on the HP Procurve web
  • HP J4899B | User Manual - Page 48
    Troubleshooting Diagnosing with the LEDs Diagnosing with the LEDs Table 3-1 shows LED patterns on the switch and the switch modules that indicate problem conditions. 1. Check in the table for the LED pattern that you see on your switch. 2. Refer to the corresponding diagnostic tip on the next few
  • HP J4899B | User Manual - Page 49
    not exceed normal room temperature, but for best operation, the switch should be replaced. Contact your HP-authorized LAN dealer, or use the electronic support services from HP to get assistance. See the Customer Support/Warranty booklet for more information. ➎ The network port Try power cycling
  • HP J4899B | User Manual - Page 50
    configuration change. You can use the console interface, or, if you have configured an IP address on the switch, use the web browser interface, or HP TopTools for Hubs & Switches network management software to determine the state of the port and re-enable the port if necessary. • Verify that the
  • HP J4899B | User Manual - Page 51
    features that may affect the port operation include VLANs and IGMP. Use the switch console to see how the port is configured for these features. For software troubleshooting tips, see the chapter "Troubleshooting" in the Management and Configuration Guide, which is on the Documentation CD-ROM that
  • HP J4899B | User Manual - Page 52
    Troubleshooting Proactive Networking Proactive Networking The HP Procurve Switch 2650 has built-in management capabilities that proactively help you manage your network including: ■ finding and helping you fix the most common network error conditions (for
  • HP J4899B | User Manual - Page 53
    Troubleshooting Hardware Diagnostic Tests Hardware Diagnostic Tests Testing the Switch by Resetting It If you believe that the switch is not operating correctly, you can reset the switch to test its circuitry and operating code. To reset a switch, either: ■ Unplug and plug in the power cord (power
  • HP J4899B | User Manual - Page 54
    and Configuration Guide, which is on the Documentation CD-ROM that came with your switch. These tests can also be performed from an SNMP network management station running a program that can manage the switch, for example, HP TopTools for Hubs & Switches. Testing End-to-End Network Communications
  • HP J4899B | User Manual - Page 55
    Factory Default Configuration As part of your troubleshooting process on the Switch 2650, it may become necessary to return the switch configuration to the factory default settings. This process momentarily interrupts the switch operation, clears any passwords, clears the console event log, resets
  • HP J4899B | User Manual - Page 56
    Guide, which is on the Documentation CD-ROM that came with your switch. The new switch software would be available on the HP Procurve web site, http://www.hp.com/go/hpprocurve. HP Customer Support Services If you are still having trouble with your switch, Hewlett-Packard offers support
  • HP J4899B | User Manual - Page 57
    Specifications A Specifications Physical Width: Depth: Height: Weight: 44.0 cm (17.32 in) 32.5 cm (12.8 in) 4.4 cm (1.7 in) 4.44 kg (9.78 lbs) Electrical The switch automatically adjusts to any voltage between 100-240 volts and either 50 or 60 Hz. AC voltage: 100-240 volts Maximum current:
  • HP J4899B | User Manual - Page 58
    Specifications Specifications Acoustic Geraeuschemission LwA=48 dB am fiktiven Arbeitsplatz nach DIN 45635 T.19 Noise and the Gigabit-LX LC mini-GBIC, both of which can be installed in the Switch 2650, are Class 1 Laser Products. Laser Klasse 1 These mini-GBICs comply with IEC 825-2: 1993. A-2
  • HP J4899B | User Manual - Page 59
    information for cables that should be used with the Switch 2650, including minimum pin-out information and specifications for twisted-pair cables. Incorrectly wired cabling is the most common cause of problems for LAN communications. HP recommends that you work with a qualified LAN cable installer
  • HP J4899B | User Manual - Page 60
    Crosstalk (ELFEXT) and Return Loss. When testing your cabling, be sure to include the patch cables that connect the switch and other end devices to the patch panels on your site. The patch cables are frequently overlooked when testing cable and they must also comply with the cabling
  • HP J4899B | User Manual - Page 61
    patch cords between the Gigabit-LX port in your switch and your multimode fiberoptic network cabling, and between the Gigabit-LX transmission device and the network cabling at the other end of the multimode fiber-optic cable run. A patch cord must be installed at both ends. The patch cord consists of
  • HP J4899B | User Manual - Page 62
    of recommended Mode Conditioning Patch Cords that have been tested and verified to operate correctly with the HP Procurve Gigabit-LX Transceiver and HP Procurve Gigabit-LX LC mini-GBIC. The list is on the HP Procurve web site, http://www.hp.com/go/hpprocurve, in the Technical Support section. B-4
  • HP J4899B | User Manual - Page 63
    and Network Cables Twisted-Pair Cable/Connector Pin-Outs Twisted-Pair Cable/Connector Pin-Outs The HP Auto-MDIX Feature: In the default configuration, "Auto", the fixed 10/100Base-TX ports on the Switch 2650 all automatically detect the type of port on the connected device and operate as either an
  • HP J4899B | User Manual - Page 64
    Ports and Network Cables Switch Ports and Network Cables Twisted-Pair Cable/Connector Pin-Outs ■ For 10 Mbps connections to the ports, you can use Category 3, 4, or 5 unshielded twisted-pair cable, as supported by the IEEE 802.3 Type 10Base-T standard. ■ For 100 Mbps connections to the ports, use
  • HP J4899B | User Manual - Page 65
    -Pair Cable for 10 Mbps or 100 Mbps Network Connections Because of the HP Auto-MDIX operation of the 10/100 ports on the switch, for all network connections, to PCs, servers or other end nodes, or to hubs or other switches, you can use "straight-through" cables. If any of these ports are
  • HP J4899B | User Manual - Page 66
    for 10 Mbps or 100 Mbps Network Connection The HP Auto-MDIX operation of the 10/100 ports on the switch also allows you to use "crossover" cables for all network connections, to PCs, servers or other end nodes, or to hubs or other switches. If any of these ports are given a fixed configuration
  • HP J4899B | User Manual - Page 67
    -Through Twisted-Pair Cable for 1000 Mbps Network Connections 1000Base-T connections require that all four pairs or wires be connected. Cable Diagram Switch Ports and Network Cables Note . Pins 1 and 2 on connector "A" must be wired as a twisted pair to pins 1 and 2 on connector "B". Pins 3 and
  • HP J4899B | User Manual - Page 68
  • HP J4899B | User Manual - Page 69
    manual denotes a hazard that can cause injury or death. A CAUTION in the manual Servicing There are no user-serviceable parts inside these products. Any servicing, adjustment, maintenance, or repair must be performed only by service-trained personnel. These products do not have a power switch
  • HP J4899B | User Manual - Page 70
    Safety and EMC Regulatory Statements Informations concernant la sécurité Informations concernant la sécurité ! WARNING CAUTION Symbole de référence à la documentation. Si le produit est marqué de ce symbole, reportez-vous à la documentation du produit afin d'obtenir des informations plus détaillé
  • HP J4899B | User Manual - Page 71
    Safety and EMC Regulatory Statements Hinweise zur Sicherheit Hinweise zur Sicherheit ! WARNING CAUTION Symbol für Dokumentationsverweis. Wenn das Produkt mit diesem Symbol markiert ist, schlagen Sie bitte in der Produktdokumentation nach, um mehr Informationen über das Produkt zu erhalten. Eine
  • HP J4899B | User Manual - Page 72
    Safety and EMC Regulatory Statements Considerazioni sulla sicurezza Considerazioni sulla sicurezza ! WARNING CAUTION Simbolo di riferimento alla documentazione. Se il prodotto è contrassegnato da questo simbolo, fare riferimento alla documentazione sul prodotto per ulteriori informazioni su di
  • HP J4899B | User Manual - Page 73
    Safety and EMC Regulatory Statements Consideraciones sobre seguridad Consideraciones sobre seguridad ! WARNING CAUTION Símbolo de referencia a la documentación. Si el producto va marcado con este símbolo, consultar la documentación del producto a fin de obtener mayor información sobre el producto
  • HP J4899B | User Manual - Page 74
    Safety and EMC Regulatory Statements Safety Information (Japan) Safety Information (Japan) C-6 Safety and EMC Regulatory Statements
  • HP J4899B | User Manual - Page 75
    Safety and EMC Regulatory Statements Safety Information (China) Safety Information (China) C-7 Safety and EMC Regulatory Statements
  • HP J4899B | User Manual - Page 76
    and, if not installed and used in accordance with the instruction manual, may cause interference to radio communications. Operation of this equipment with Class A Canadian EMC requirements. Australia/New Zealand This product complies with Australia/New Zealand EMC Class A requirements. Japan VCCI
  • HP J4899B | User Manual - Page 77
    Korea Safety and EMC Regulatory Statements EMC Regulatory Statements Taiwan Safety and EMC Regulatory Statements C-9
  • HP J4899B | User Manual - Page 78
    HP Procurve Switch 2650 Model Number: J4899A Accessories: J4858A, J4859A, J4860A Regulatory Model Number: RSVLC-0204 conforms to the following Product Specifications European Contact: Your local Hewlett-Packard Sales and Service Office or Hewlett-Packard GmbH, Department TRE, Herrenberger
  • HP J4899B | User Manual - Page 79
    ... B-7, B-9 HP Auto-MDIX feature ... B-5 B back of switch description ... 1-6 power connector ... 1-6 backbone switch topology with ... 2-21-2-22 basic switch configuration IP address ... 3-3 manager password ... 3-2 subnet mask ... 3-3 Switch Setup screen ... 3-2 basic troubleshooting tips
  • HP J4899B | User Manual - Page 80
    ... 2-6 IP address ... 3-3 IP address, manually ... 3-2 manager password ... 3-2 restoring factory defaults ... 1-5, 4-11 subnet mask ... 3-3 Switch Setup screen ... 3-2 connecting the switch to a power source ... 2-15 connector specifications ... A-2 console checking messages during troubleshooting
  • HP J4899B | User Manual - Page 81
    ... 1-2 Port LED View select button and LEDs ... 1-4 Reset button ... 1-5 full-duplex fixed configuration effects on network connections ... 4-1 full-duplex operation of mini-GBICs ... 2-6 H horizontal surface mounting switch on ... 2-15 HP Auto-MDIX feature description ... B-5 I in-band ... 3-1 in
  • HP J4899B | User Manual - Page 82
    2-3 mounting the switch in ... 2-10 regulatory statements ... C-8 Reset button description ... 1-5 location on switch ... 1-2, 1-5 restoring factory default configuration ... 4-11 resetting the switch factory default reset ... 4-11 location of Reset button ... 1-5 troubleshooting procedure ... 4-9
  • HP J4899B | User Manual - Page 83
    ... 2-9 Self Test LED ... 1-3 behavior during factory default reset ... 4-11 behavior during self test ... 2-9 serial cable for direct console connection ... 2-18 slots for mini-GBICs location on switch ... 1-2 specifications connectors ... A-2 electrical ... A-1 environmental ... A-1 physical
  • HP J4899B | User Manual - Page 84
    twisted-pair ports HP Auto-MDIX feature ... B-5 V VT-100 terminal serial cable connection for ... 2-18 W wall mounting switch on ... 2-13 wiring rules for twisted-pair cables ... B-5 6 - Index Index
  • HP J4899B | User Manual - Page 85
  • HP J4899B | User Manual - Page 86
    . All right reserved. Reproduction, adaptation, or translation without prior written permission is prohibited except as allowed under the copyright laws. Product of Taiwan October 2002 Manual Part Number J4899-90001 *J4899-90001*
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hp
procurve
switch 2650
installation and
getting started guide
www.hp.com/go/hpprocurve