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HP Hub-8TXE Installation and Reference Guide

3-2

Configuring the Network

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

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

Page 1: ...HP AdvanceStack 100Base T Hub 8TXE Installation and Reference Guide ...

Page 2: ... 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 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 book...

Page 3: ... 6810 Denmark 8120 6814 Europe 8120 6811 Japan 8120 6798 Switzerland 8120 6815 United States Canada 8120 6812 United Kingdom 8120 6809 æ Four rubber foot pads æ Installation and Reference Guide J2325 90001 æ Warranty booklet Please inform your dealer immediately should there be any wrong missing or damaged parts If possible retain the carton including the original packing materials Use them again ...

Page 4: ... are installing multiple hubs you can stack them on top of each other after attaching the foot pads 4 Connect any devices that use a standard network interface to the RJ 45 MDI X ports e g a workstation server bridge or router Use 100W Category 5 STP or 100W Category 5 UTP cable to connect to the hub and be sure the length of any twisted pair connection does not exceed 100 meters Refer to Chapter ...

Page 5: ...ommunications by ensuring that you have made all the necessary connections you can access any connected resources the hub s indicators are functioning properly If you encounter any problems in installing the HP Hub 8TXE refer to Chapter 2 for a detailed description of installation procedures Chapter 3 for sample configurations or Appendix A for help in troubleshooting Note Refer to Chapter 2 for a...

Page 6: ...ollowing topics Chapter 1 Product Overview Brief description of Fast Ethernet followed by a description of this hub and a summary of its important features and specifications Chapter 2 Installing the System Installing an HP Hub 8TXE and making basic network connections Chapter 3 Configuring the Network Shows sample network configurations for a local area network Chapter 4 Hardware Reference Detail...

Page 7: ...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 Verifying System Operation 2 5 Chapter 3 Configuring the Network 3 1 Stand Alone 3 1 Connecting Multiple Hubs 3 2 Chapter 4 Hardware Reference 4 1 Front Panel 4 1 Power 4 2 Statistical Display for System Performance 4 3 Port Status Display 4 4 RJ 45...

Page 8: ... 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 D 1 Power Precautions D 1 Safety Information D 2 Informations concernant la sécurité D 3 Hinweise zur Sicherheit D 4 Considerazioni sulla sicurezza D 5 Consideraciones sobre seguridad D 6 Safety Information Japanese D 7 Regulatory Statements D 8 Append...

Page 9: ...re 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 ...

Page 10: ...Ethernet can be easily integrated into an existing 10 Mbits s Ethernet environment with no need for protocol translation or changes to network software HP Hub 8TXE The HP J323SA AdvanceStack 100Base TX Hub 8TXE includes 8 Fast Ethernet ports It provides a friendly design that simplifies installation and network troubleshooting The indicator panel includes Utilization and Collision rate LEDs as wel...

Page 11: ... monitors network utilization collisions link and port partition status LED indicator panel includes Utilization and Collision rate indicators for reporting hub activity and facilitating problem diagnosis Automatically partitions bad ports to protect the network system Automatic polarity detection and correction permits automatic adjustment for wiring errors Plug and play operation The HP Hub 8TXE...

Page 12: ...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 With automatic polarity detection the hub recognizes and adjusts for attached cable assemblies which may be wired with incorrect polarity on the receive pair ...

Page 13: ...uding power requirements sufficient physical space and proximity to other network devices that are to be connected Verify the following installation requirements Power requirements 100 to 127 VAC 200 to 240 VAC 10 at 50 to 60 Hz The hub s power supply automatically adjusts to the input voltage level The hub should be located in a cool dry place with at least 10 cm of space at the front and back fo...

Page 14: ...port type implemented 1 Prepare the network devices you wish to network Make sure you have installed suitable 100BASE TX network interface cards for making a connection to any of the hub s ports You also need to prepare straight through shielded or unshielded twisted pair cables with RJ 45 plugs at both ends Use 100W Category 5 cable for all connections 2 Connect one end of the cable to the RJ 45 ...

Page 15: ...sted pair cabling from an MDI X port on this hub to a cascade port on another device However if you must connect to another hub or switch via similar port types at both ends of the cable use crossover cabling Distance Limit for Fast Ethernet Cabling For 100Base TX network diamter is very important because each packet must propagate through the Ethernet collision domain before the next packet is se...

Page 16: ...heck the LED marked Power on the front panel to see if it is on The unit will automatically select the setting that matches the connected input voltage Therefore no additional adjustments are necessary when connecting it to any input voltage within the range marked on the rear panel Verifying Port Status Check each connection by viewing the port status indicators listed below For a more detailed d...

Page 17: ...hen you connect a device to the hub check the following items Be sure the twisted pair cable is properly attached to the connected device and the hub Verify that the RJ 45 plug snaps into place when attached See if the twisted pair cable is functioning properly by using it for another port and attached device that already displays valid indications when connected to the network Check the length of...

Page 18: ...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 In compliance with IEEE 802 3u standards the maximum cable distance between the hub and any workstation is 100 meters for twisted pair cable Figure 3 1 Stand Alone Configuration ...

Page 19: ...eference Guide 3 2 Configuring the Network 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 ...

Page 20: ...DI X ports and 1 RJ 45 MDI cascade port on the front panel Moreover the system indicators provide a simple interface for monitoring the hub The front panel includes a power indicator a statistical display for network traffic and port status indicators as shown below 100BASE TX Class II Repeater Figure 4 1 Front Panel The indicator panel simplifies monitoring of various network conditions by provid...

Page 21: ...ilization 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 Color Green Function Power indicator Condition Indication ON Unit is receiving power OFF Power is disconnected no power received ...

Page 22: ...a 100 Mbit s bandwidth They provide a quick way to monitor the current traffic load relative to the network s capacity Collision Collision The statistical indicators show the percentage of packet collisions occurring out of the total packets transmitted by the hub Collisions occur when two or more devices connected to a hub attempt to transmit data simultaneously on the network When a collision oc...

Page 23: ...partitioned the port continues to receive data from the segment However data is not transmitted onto the segment When the problem is corrected or a valid data packet is received through the port the port is automatically reconnected When partitioning occurs the port s corresponding Partition LED will be continually lit orange light Otherwise this LED should be OFF unlit Note When a long run of col...

Page 24: ...ING Indicates the port is receiving packets blinking is proportional to the traffic entering the port OFF No packets are being received by this port RJ 45 Fast Ethernet Ports This hub includes 8 Fast Ethernet ports on the front panel of which Port 8 can also serve as a cascade port Connect the MDI X ports to network devices such as workstations or servers and the MDI port to a network interconnect...

Page 25: ... Reference 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 ...

Page 26: ...Cause Hub has partitioned a port Solution If port partitioning has occurred the hub will automatically enable the port when the faulty condition disappears Symptom Link Traffic indicator remains unlit after making a connection Cause Network interface e g a LAN adapter on the attached device network cable or hub port is defective Solution Verify that the hub and attached device are powered on Be su...

Page 27: ...thorized dealer or reseller for assistance Installation Verify that all system components have been properly installed If one or more components appear to be malfunctioning e g the power cord or network cabling test them in an alternate environment where you are sure that all the other components are functioning properly Cabling 1 Verify that the cabling type is correct Be sure all cable connector...

Page 28: ...etwork configuration restore the original connections then try to track the problem down by implementing the new changes one step at a time Ensure that cable distances and other physical aspects of the installation do not exceed 100Base TX specifications Hub Integrity As a last resort verify the hub s integrity with a power on reset Turn the power to the hub off and then on a few times If the prob...

Page 29: ...eive Data Transmit Data 2 Receive Data Transmit Data 3 Transmit Data Receive Data 6 Transmit Data Receive Data 4 5 7 8 Not Used Not Used Table B 1 RJ 45 Pin Assignments Schematics for both straight and crossover twisted pair cable are shown below Straight Through Crossover Hub Adapter Hub Hub 1 IRD 1 OTD 1 IRD 1 IRD 2 IRD 2 OTD 2 IRD 2 IRD 3 OTD 3 IRD 3 OTD 3 OTD 6 OTD 6 IRD 6 OTD 6 OTD ...

Page 30: ...station Distance 100 meters maximum using category 5 STP or UTP cable Cascade Distance 2 hubs 23 meters assuming 100 meters from each node to hub Dimensions 273 mm x 166 mm x 42 9 mm 10 75 x 6 54 x 1 69 Power System 100 127 200 240 VAC 1 Amp max voltage tolerance 10 50 60 Hz full range Temperature 0 C to 40 C Standard Operating Humidity 5 to 95 Noncondensing Certification CE Mark Emissions FCC Cla...

Page 31: ...re to use a power cord displaying the mark of the safety agency that defines the regulations for power cords in your country The mark is your assurance that the power cord can be used safely with the hub N o t e The hub does not have a power switch it is powered on when the power cord is plugged in The hub s power supply automatically adjusts to any AC power source between 100 127 volts and 200 24...

Page 32: ... earth ground from the main power source to the product s input wiring terminals power cord or supplied power cord set Whenever it is likely that the protection has been impaired disconnect the power cord until the ground has been restored For LAN cable grounding If your LAN covers an area served by more than one power distribution system be sure their safety grounds are securely interconnected LA...

Page 33: ...ux bornes du câblage d entrée sur le cordon d alimentation ou le cordon de raccordement fourni avec le produit Lorsque cette protection semble avoir été endommagée débrancher le cordon d alimentation jusqu à ce que la mise à la terre ait été réparée Mise à la terre du câble de réseau local si votre réseau local s étend sur une zone desservie par plus d un système de distribution de puissance assur...

Page 34: ...ngsterminal Der Betrieb des Geräts erfordert eine ununterbrochene Sicherheitserdung von der Hauptstromquelle zu den Geräteingabeterminals den Netzkabeln oder dem mit Strom belieferten Netzkabelsatz voraus Sobald Grund zur Annahme besteht daß der Schutz beeinträchtigt worden ist das Netzkabel aus der Wandsteckdose herausziehen bis die Erdung wiederhergestellt ist Für LAN Kabelerdung Wenn Ihr LAN ei...

Page 35: ... ai terminali d entrata al cavo d alimentazione oppure al set cavo d alimentazione fornito con il prodotto Ogniqualvolta vi sia probabilità di danneggiamento della protezione disinserite il cavo d alimentazione fino a quando il collegaento a terra non sia stato ripristinato Per la messa a terra dei cavi LAN se la vostra LAN copre un area servita da più di un sistema di distribuzione elettrica acce...

Page 36: ...a las bornas de los cables de entrada del aparato el cable de alimentación o el juego de cable de alimentación suministrado Si existe la probabilidad de que la protección a tierra haya sufrido desperfectos desenchufar el cable de alimentación hasta haberse subsanado el problema Puesta a tierra del cable de la red local LAN Si la LAN abarca un área cuyo suministro eléctrico proviene de más de una r...

Page 37: ...HP Hub 8TXE Installation and Reference Guide Safety and Regulatory Statements D 7 Safety Information Japanese ...

Page 38: ...its are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause interference to radio communications Operation of this equipment in a residential area may cause interference i...

Page 39: ...th 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 Canada This product complies with Class A Canadian EMC requirements ...

Page 40: ...ormation about HP s complete networking product line If you have a growing network and need help designing it download the Designing HP AdvanceStack Workgroup Networks Guide or call 1 800 752 0900 to receive a copy through mail HP FIRST Fax Retrieval Service HP FIRST is an automated fax retrieval service that is available 24 hours a day seven days a week HP FIRST provides information on the follow...

Page 41: ...rt services which provide you expert HP technical assistance Network Phone In Support provides you support at an hourly rate In the USA call 1 800 790 5544 In other countries please contact your local HP Response Center to see if this service is available in your country HP SupportPack Comprehensive Network Support provides complete problem resolution for medium to large interconnected local and w...

Page 42: ...ilar port types on both devices Collision A condition in which two packets transmitted over a medium interfere with each other Their interference makes both unintelligible Configuration The way to set up a computer server or local area network Connection A logical binding between two or more users of an interconnection service Ethernet A network communication system developed and standardized by D...

Page 43: ... LAN A group of interconnected computers and support devices MDI Port Medium Dependent Interface MDI is the IEEE standard for the twisted pair interface This RJ 45 port can be used with straight through cable to connect the hub to a network interconnection device such as another hub or a switch Pin out assignments are shown in Appendix B MDI X Port Medium Dependent Interface Crossed This RJ 45 por...

Page 44: ...his cable should not be confused with the older 150W cable type designed by IBM Star Topology Physical connections for this hub are limited to a star configuration i e similar to a hub and spoke arrangement This topology also requires that only one path exists between any two nodes and that data transmitted by any node is concurrently available to all other nodes within the same local network i e ...

Page 45: ... Distance Limit for Fast Ethernet Cabling 2 3 E Ethernet Ports 4 5 F Front Panel 4 1 H Hardware Description 4 1 I Indicator Panel 4 1 Installation Requirements 2 1 Installing the System 2 1 Introduction to Fast Ethernet 1 1 J Jabber Lock up 1 3 L LED Indicators Collision 4 3 Link 4 4 Partition 4 4 Power 4 2 Traffic 4 5 Utilization 4 3 Link Indicator 2 5 M MDI Cascade Port 3 2 N Network Connection ...

Page 46: ...egulatory Information D 1 D 8 S Safety Information D 1 D 2 Specifications Certification C 1 Interfaces C 1 Media Supported C 1 Power System C 1 Standards Conformance C 1 Stand alone Configuration 3 1 T Troubleshooting 4 5 Configuration A 3 Hub Indicators A 1 Installation A 2 Power and Cooling A 2 Twisted Pair Cable Category 5 2 2 A 2 V Verifying Connections 2 5 Verifying Port Status 2 4 Verifying ...

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