HP AdvanceStack 100Base-T Hub-8TXE Installation And Reference Manual

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HP AdvanceStack 100Base-T Hub-8TXE
Installation and Reference Guide

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   Summary of Contents for HP AdvanceStack 100Base-T Hub-8TXE

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    HP AdvanceStack 100Base-T Hub-8TXE Installation and Reference Guide...

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    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. Hewlett-Packard assumes no responsibility for the use or reliability of its software on equipment that is not furnished by Hewlett-Packard. Warranty See the warranty booklet included with the product.

  • Page 3: Package Contents, Package Checklist

    Package Contents Carefully unpack the contents of the package and verify them against the checklist given below. Package Checklist HP AdvanceStack 100Base-T Hub-8TXE (Part No. HP J3235A) Power cord, one of the following: Australia/New Zealand (8120-6810) Denmark (8120-6814) Europe (8120-6811)

  • Page 4: Quick Installation

    Quick Installation The HP J3235A AdvanceStack 100Base-T Hub-8TXE contains 8 100Base-TX Fast Ethernet ports. The smart design built into the front display panel provides a friendly interface that simplifies installation and network troubleshooting. If you are already familiar with basic network operations, you should be able to install this hub as described below: 1.

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    HP Hub-8TXE Installation and Reference Guide 6. This hub can serve as a stand-alone repeater for small networks, can be cascaded with compatible devices (e.g., Fast Ethernet hub or switch), or can be connected to a network interconnection device (e.g., Fast Ethernet bridge or router).

  • Page 6: About This Guide

    About this Guide This guide is designed for the experienced network installer. It describes how to install and operate the HP Hub-8TXE. After reading this manual, you should be able to use the front display panel and configure options to manage all your network connections.

  • Page 7: Table Of Contents

    Contents Chapter 1: Product Overview ..........1-1 Introduction to Fast Ethernet ..................1-1 HP Hub-8TXE......................1-1 Basic Features ......................1-2 Chapter 2: Installing the System..........2-1 Pre-Installation Requirements ...................2-1 Connecting the Hub System ..................2-2 Making a Connection via an MDI-X Port ............2-2 Making a Connection via the MDI Cascade Port ..........2-3 Distance Limit for Fast Ethernet Cabling .............2-3 Providing Power to the Hub ..................2-4 Verifying Port Status ....................2-4...

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    HP Hub-8TXE Installation and Reference Guide Appendix A: Troubleshooting..........A-1 Diagnosing Hub Indicators..................A-1 System Diagnostics ....................A-2 Power and Cooling Problems ................A-2 Installation ......................A-2 Physical Configuration ..................A-3 Hub Integrity ......................A-3 Appendix B: Port and Cable Assignments......B-1 RJ-45 Port .......................B-1 Appendix C: Specifications............ C-1 Product Specifications....................C-1 Appendix D: Safety and Regulatory Statements ....

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    HP Hub-8TXE Installation and Reference Guide List of Figures Figure 3.1 Stand-Alone Configuration ..............3-1 Figure 3.2 Multiple Hub Configuration Using the Cascade Port......3-2 Figure 4.1 Front Panel .....................4-1 Figure 4.2 Indicators ....................4-2 Figure 4.3 Rear Panel ....................4-6 Figure B-1 RJ-45 Connector (on the Hub Side) ............B-1 List of Tables Table B-1 RJ-45 Pin Assignments................B-1 Contents...

  • Page 10: Chapter 1: Product Overview, Introduction To Fast Ethernet, Hp Hub-8txe

    Chapter 1: Product Overview Introduction to Fast Ethernet Standard 10 Mbits/s Ethernet has served well for past generations of 286 and 386 machines performing simple file transfers. However, with the inevitable growth in corporate network size and the introduction of fully-functional 32-bit PC architectures, and operating systems running complex applications, 10 Mbits/s Ethernet has become a serious bottleneck.

  • Page 11: Basic Features

    HP Hub-8TXE Installation and Reference Guide Basic Features • Transmits data at 100 Mbits/s for demanding applications • Conforms to the IEEE 802.3u repeater specification for 100Base-TX • Provides 8 RJ-45 100Base-TX ports (using MDI-X wiring) • Port 8 can serve as an MDI-X port (for connection to network devices such as workstations or servers) or as an MDI daisy-chain port (for connection to network devices such as hubs or switches), eliminating the need for crossover cables...

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    HP Hub-8TXE Installation and Reference Guide • With the jabber lock-up function, the hub automatically stops transmission of abnormal Ethernet frames that may cause data loss for all network users. (Jabber refers to abnormal Ethernet frames which are much too long and may come from a malfunctioning Ethernet card.) •...

  • Page 13: Chapter 2: Installing The System, Pre-installation Requirements

    Chapter 2: Installing the System This chapter provides information on installing the HP Hub-8TXE, establishing network connections, and configuring the system. You may install this hub on any level surface (e.g., a table or shelf) or in a standard EIA equipment rack. However, please take note of the following minimum site requirements before you begin.

  • Page 14: Connecting The Hub System, Making A Connection Via An Mdi-x Port

    HP Hub-8TXE Installation and Reference Guide Connecting the Hub System The HP Hub-8TXE has 8 RJ-45 ports and 1 RJ-45 cascade port. The ports allow you to make connections to devices such as a workstation, server, bridge or router. You can also cascade to another compatible hub or switch by connecting an MDI port on one device (e.g., port on this hub) to an MDI-X 8MDI...

  • Page 15: Making A Connection Via The Mdi Cascade Port, Distance Limit For Fast Ethernet Cabling

    HP Hub-8TXE Installation and Reference Guide Making a Connection via the MDI Cascade Port 1. To make a direct connection to another compatible repeater or switch, use the cascade port. When connecting to this port, remember not to use port 8MDI 8MDI-X 2.

  • Page 16: Providing Power To The Hub, Verifying Port Status

    HP Hub-8TXE Installation and Reference Guide traverse through both hubs, for a cable equivalent length of 72m + 72m. This gives: 100m 100m + 72m -------- 344m The maximum “network diameter” for 100Base-TX is 367m, so we can use a maximum of 367m - 344m, or 23m between the two hubs.

  • Page 17: Verifying System Operation

    HP Hub-8TXE Installation and Reference Guide If the Link status indicator is not functioning properly, or you experience any other difficulties in setting up the hub, refer to Appendix A. Verifying System Operation Verify that all attached devices have a valid connection. The hub monitors link status for each port.

  • Page 18: Chapter 3: Configuring The Network, Stand-alone

    Chapter 3: Configuring the Network The HP Hub-8TXE allows great flexibility in configuring your network. You can use it in a stand-alone or multiple hub configuration. Some of the common applications for this Fast Ethernet hub are described in this chapter. Stand-Alone This hub can be used in a simple stand-alone configuration as illustrated below.

  • Page 19: Connecting Multiple Hubs

    HP Hub-8TXE Installation and Reference Guide Connecting Multiple Hubs You can easily connect to another hub via the MDI cascade port. Figure 3.2 shows a sample configuration. Figure 3.2 Multiple Hub Configuration Using the Cascade Port Configuring the Network...

  • Page 20: Chapter 4: Hardware Reference, Front Panel

    Chapter 4: Hardware Reference Before connecting any network device to this hub, please review Chapter 2 for information on system installation and Chapter 3 for a brief look at common network architectures. This chapter describes the hardware features of the HP Hub-8TXE.

  • Page 21: Power

    HP Hub-8TXE Installation and Reference Guide The front panel array provides indicators that show the utilization of network bandwidth and indicate the status of port connections. It includes port status indicators and a statistical display for network traffic as shown below. Figure 4.2 Indicators Power...

  • Page 22: Statistical Display For System Performance

    HP Hub-8TXE Installation and Reference Guide Statistical Display for System Performance ) The statistical indicators show the percentage of valid data Utilization Utilization% passing through all ports compared to overall network bandwidth (updated every 0.5 seconds). There are 5 LEDs representing the percentage of network utilization. The corresponding LEDs light up to show that the utilization of LAN bandwidth has reached this level.

  • Page 23: Port Status Display

    HP Hub-8TXE Installation and Reference Guide Note If the hub displays a high collision rate, check to see if any of the connected devices are malfunctioning or if a loop has been formed in your network connections. Otherwise, you may need to reconfigure your network to balance the traffic load. Port Status Display Partition Color:...

  • Page 24: Rj-45 Fast Ethernet Ports

    HP Hub-8TXE Installation and Reference Guide : If the Link LED does not light up when a device is connected to its corre- Troubleshooting sponding port, check that both the hub and connected device are powered on. For devices connected to the hub using twisted-pair cable, check that the cable length does not exceed 100 meters.

  • Page 25: Rear Panel, Power Socket

    HP Hub-8TXE Installation and Reference Guide Rear Panel The rear panel on the hub includes a full-range power socket. Figure 4.3 Rear Panel Power Socket The power socket accepts AC power from 100-127 VAC to 200-240 VAC at 50 to 60Hz. The unit is equipped with a universal full-range power source. Hardware Reference...

  • Page 26: Diagnosing Hub Indicators

    Appendix A: Troubleshooting Diagnosing Hub Indicators This Fast Ethernet hub can be easily monitored through its comprehensive panel indicators. These indicators assist the network manager in identifying problems the hub may encounter. This section describes common problems you may encounter and possible solutions. indicator does not light up.

  • Page 27: System Diagnostics, Power And Cooling Problems

    HP Hub-8TXE Installation and Reference Guide System Diagnostics Power and Cooling Problems If the indicator does not turn on when the power cord is plugged in, you Power may have a problem with the power outlet, power cord, or internal power supply as explained in the previous section.

  • Page 28: Physical Configuration, Hub Integrity

    HP Hub-8TXE Installation and Reference Guide LAN Adapters Make sure the network interface hardware and software drivers for the attached devices are function properly and are 100Base-TX. Check the LAN adapters and associated drivers used in any attached workstation or server. Physical Configuration If problems occur after altering the network configuration, restore the original connections, then try to track the problem down by implementing the new...

  • Page 29: Port And Cable Assignments

    Appendix B: Port and Cable Assignments RJ-45 Port Figure B-1 RJ-45 Connector (on the Hub Side) MDI-X Assignment MDI Assignment (Port 1 ~ 8) (Cascade Port 8) Receive Data + Transmit Data + Receive Data - Transmit Data - Transmit Data + Receive Data + Transmit Data - Receive Data -...

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    Appendix C: Product Specifications Baseband Transmission Technique Topology Star or Tree CSMA/CD, 100Mbit/s Access Method IEEE 802.3u 100BASE-TX Class II Repeater Standards Conformance Unshielded or shielded twisted-pair cable Media Supported (100 Category 5 STP/UTP) 8 RJ-45 MDI-X ports, Interfaces 1 RJ-45 MDI cascade port 100 meters maximum using category 5 STP or UTP cable Hub-to-Workstation Distance 23 meters (assuming 100 meters from each node to hub)

  • Page 31: Power Precautions

    Appendix D: Safety and Regulatory Statements This chapter covers the following topics: power precautions safety and regulatory statements Power Precautions Follow these precautions when unplugging and plugging in power to the hub. C a u t i o n If your installation requires a different power cord than the one supplied with the hub, be sure to use a power cord displaying the mark of the safety agency that defines the regulations for power cords in your country.

  • Page 32: Safety Information

    HP Hub-8TXE Installation and Reference Guide Safety Information Documentation reference symbol. If the product is marked with this symbol, refer to the product documentation to get more information about the product. WARNING A WARNING in the manual denotes a hazard that can cause injury or death. CAUTION A CAUTION in the manual denotes a hazard that can damage equipment.

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    HP Hub-8TXE Installation and Reference Guide Informations concernant la sécurité 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 détaillées. WARNING Dans la documentation, un WARNING indique un danger susceptible d'entraîner des dommages corporels ou la mort.

  • Page 34: Hinweise Zur Sicherheit

    HP Hub-8TXE Installation and Reference Guide Hinweise zur Sicherheit 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. WARNING 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.

  • Page 35: Considerazioni Sulla Sicurezza

    HP Hub-8TXE Installation and Reference Guide Considerazioni sulla sicurezza Simbolo di riferimento alla documentazione. Se il prodotto è contrassegnato da questo simbolo, fare riferimento alla documentazione sul prodotto per ulteriori informazioni su di esso. WARNING La dicitura WARNINGdenota un pericolo che può causare lesioni o morte. CAUTION La dicituraCAUTION denota un pericolo che può...

  • Page 36: Consideraciones Sobre Seguridad

    HP Hub-8TXE Installation and Reference Guide Consideraciones sobre seguridad 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. WARNING Una WARNING en la documentación señala un riesgo que podría resultar en lesiones o la muerte.

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    HP Hub-8TXE Installation and Reference Guide Safety Information (Japanese) Safety and Regulatory Statements...

  • Page 38: Regulatory Statements

    HP Hub-8TXE Installation and Reference Guide Regulatory Statements FCC Class A Statement (for U.S.A. Only) This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.

  • Page 39: European Community

    HP Hub-8TXE Installation and Reference Guide European Community This equipment complies with ISO/IEC Guide 22 and EN55022 Class A with unshielded cables and EN55022 Note With unshielded cables this is a Class A product. In a domestic environment, this product may cause radio interference, in which case the user may be required to take adequate measures.

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    Appendix E: Product Support Services Hewlett-Packard offers support through the use of automated electronic services including: • World Wide Web • HP Network Phone-In Support (NPS) • HP FIRST FAX Retrieval Service World Wide Web http://www.hp.com/go/network_city From this web site you can view information about HP’s complete networking product line.

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    HP Hub-8TXE Installation and Reference Guide To access HP FIRST, dial one of the following phone numbers: Location Phone Number U.S. and Canada Only Dial 1 (800) 333-1917 with your fax machine or touch-tone phone and press 1. Outside the U.S. and Canada Dial 1 (208) 344-4809 from your fax machine and press 9.

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    Glossary 100BASE-TX IEEE’s specifications for 100 Mbit/s Ethernet using twisted-pair cable (100 STP or UTP . The maximum length of cable for a hub to end-node connection is 100 meters. Cascade Port An MDI RJ-45 port used to cascade compatible devices in a cascade configuration using straight-through twisted-pair cable.

  • Page 43: Fast Ethernet

    HP Hub-8TXE Installation and Reference Guide Fast Ethernet 100 Mbit/s network communication system based on Ethernet and the CSMA/CD access method. IEEE 802.3 Standard Standard for the physical and electrical connections in local area networks developed by the IEEE. The IEEE 802.3u standard covers these same issues for 100 Mbit/s networks. Light emitting diode on the front panel of the hub used for monitoring a hub or network condition.

  • Page 44: Star Topology

    HP Hub-8TXE Installation and Reference Guide Shielded Twisted-Pair (STP) Twisted-pair wire covered with an external aluminum-foil or woven-copper shield designed to reduce excessive noise pick up or radiation. The STP cable refered to in this manual is also sometimes called screened twisted-pair (ScTP). Its impedance is and has the same pin assignment as UTP.

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    Index Automatic Partitioning • 1-2 Indicator Panel • 4-1 Automatic Polarity Detection • 1-3 Installation Requirements • 2-1 Installing the System • 2-1 Introduction to Fast Ethernet • 1-1 Cable Assignments • B-1 Configuring the Network • 3-1 Connecting Multiple Hubs • 3-2 Jabber Lock-up •...

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    HP Hub-8TE Installation and Reference Guide Port Assignments • B-1 Port Status Indicators • 4-4 Verifying Connections • 2-5 Power Socket • 4-6 Verifying Port Status • 2-4 Product Features • 1-2 Verifying System Operation • 2-5 Product Support Services • E-1 Providing Power to the Hub •...

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