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Installation and
Reference Guide
HP J2611B
HP AdvanceStack 10Base-T Hub-16U



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   Summary of Contents for HP AdvanceStack Hub-16U

  • Page 1

    Installation and Reference Guide HP J2611B HP AdvanceStack 10Base-T Hub-16U...

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    You can download: j3133a.exe HP AdvanceStack 8U/16U SNMP firmware: from the HP BBS, HP FTP Library Service, CompuServe, and the World Wide Web. After you download the file, extract the file by typing filename /x. For example j3133a.exe /x HP BBS Set your modem to N-8-1, set speed up to 14400 bps, and with your telecom- munication program (e.g., Windows Terminal) dial (208) 344-1691 to get the...

  • Page 5

    HP AdvanceStack Hub-16U Installation and Reference Guide...

  • Page 6

    See the warranty statement and the registration form included with the product. A copy of the specific warranty terms applicable to your Hewlett-Packard product and replacement parts can be obtained from your HP Sales and Service Office or authorized dealer. 8000 Foothills Boulevard Roseville, California 95747-5551...

  • Page 7

    HP AdvanceStack Hub-16U At A Glance The HP J2611B AdvanceStack Hub-16U is a multiport repeater with 16 twisted-pair network ports. With this hub, you can connect computers and other devices together in an unshielded twisted-pair cable network. The hub is compliant with the IEEE 802.3 Type 10Base-T standard and supports both...

  • Page 8

    Front of the Hub Hub status MDI/MDI-X switch Twisted-pair LEDs for port 16 port LEDs Cover plate over slot for HP AUI and Twisted-pair Transceiver Modules ports Back of the Hub Cover plate over slot for ac power HP AdvanceStack 8U/16U SNMP Module...

  • Page 9

    “straight-through” twisted-pair cable in both cases. Upgradeable Design A management slot in the back of the hub enables you to install an HP AdvanceStack 8U/16U SNMP Module. With the module, you can serially connect an ASCII console to the module to configure, monitor, and troubleshoot the hub.

  • Page 11: Table Of Contents

    ... . . HP Transceiver Modules ..... . . 2. Verify the hub’s operation ..... .

  • Page 12

    Customer Support Services ..... . . 2-11 HP BBS and World Wide Web ....2-11 Hewlett-Packard FTP Library Service .

  • Page 13: Installing The Hub

    Installation Summary Included Parts 1. Install Add-in Modules (Optional) 2. Verify the Hub’s Operation 3. Mount the Hub 4. Complete the Network Connections to the Hub Installing the Hub...

  • Page 14: Installation Summary

    Installing the Hub Installation Summary The basic hardware installation procedure for the Hub-16U is as follows: 1. Install the optional HP AdvanceStack 8U/16U SNMP Module and/or one of the optional HP Transceiver Modules. 2. Verify the hub’s operation. 3. Mount the hub in a rack, on a wall, or place it on a tabletop.

  • Page 15: Install Add-in Modules (optional)

    HP AdvanceStack 8U/16U SNMP Module W A R N I N G Disconnect the power cord from the hub before installing the HP SNMP or HP Transceiver modules. Electrical shock or other injury may result if you attempt to install the module without...

  • Page 16

    The PC serves as a console that enables you to configure, monitor, and troubleshoot the hub. ASCII console null modem cable For more information about the ASCII console commands, see the documentation accompanying the optional HP AdvanceStack 8U/16U SNMP Module.

  • Page 17: Hp Transceiver Modules

    HP J2607A Twisted-Pair Transceiver Module for 10Base-T networks HP J2609A AUI Port Module for connecting a standard IEEE 802.3 external transceiver to the hub The HP AdvanceStack 8U/16U SNMP Module and HP Transceiver Modules and their cabling configurations are described in their accompanying documentation.

  • Page 18: Verify The Hub's Operation

    Installing the Hub 2. Verify the hub’s operation To provide power to the hub, follow these steps: 1. Plug the power cord into the hub’s power cord receptacle and into an ac power source. N o t e 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 19

    A Port LED stays on if link beat has been detected at the port. A Port LED turns off if link beat is not detected. If you have an optional HP AdvanceStack 8U/16U SNMP Module installed, the Port LEDs have additional meanings.

  • Page 20: Mount The Hub

    5/8-inch number 12 wood screws in the accessory kit. Hewlett-Packard sells 19-inch free standing equipment racks. To order a rack for your hub, call HP at 1-800-538-8787 to order part number 46298D. M o u n t i n g...

  • Page 21: Rack Or Cabinet Mounting

    Installing the Hub Rack or Cabinet Mounting W a r n i n g The rack or cabinet should be adequately secured to prevent it from becoming unstable and/or falling over. 1. Using a flat-headed or Torx T-10 screwdriver, attach the mounting brackets to the hub with 10-mm M3 screws (included in the accessory kit).

  • Page 22: Wall Mounting

    Installing the Hub Wall Mounting 1. Using a flat-headed or Torx T-10 screwdriver, attach the mounting brackets to the hub with 10-mm M3 screws included in the accessory kit. Then attach the hub to a wood surface (minimum 1/2-inch plywood or equivalent) with 5/8-inch number 12 wood screws included in the accessory kit with a Phillips crosshead screwdriver.

  • Page 23: Complete The Network Connections To The Hub

    Typical hub connections are: Hub-to-device connections. Connecting to network devices such as computers, and printers. Hub-to-hub connections. Connecting to another HP AdvanceStack 10Base-T hub, or other Ethernet hub. Hub-to-network backbones. Connecting to a network backbone.

  • Page 24: Cable Management

    Installing the Hub Cable management The Hub-16U has been designed to help you with the problem of managing your network cables. Each mounting bracket has a loop hole for attaching an included cable tie to bundle the twisted-pair cables away from the hub. 1-12...

  • Page 25: Connecting Hubs Together

    Installing the Hub Connecting Hubs Together Twisted-Pair Cascade Connections To expand your network, the hub can be connected to other hubs by using the Media Dependent Interface (MDI) switch. The MDI/MDI-X switch controls how the signals are sent through the twisted-pair cable connected to Port 16.

  • Page 26

    ThinLAN Connections With an HP ThinLAN Transceiver Module for 10Base2 networks, you can connect your hub or a stack of hubs to a thin LAN network. The following illustration shows a hub with an HP ThinLAN Transceiver Module.

  • Page 27: Connecting Hubs To Network Backbones

    Hub-16U ThinLAN coax connecting the Hub-16U hubs together HP AdvanceStack 10Base-T Hub-24 50-ohm terminator N o t e Each ThinLAN cable segment must be terminated using a 50-ohm terminator at each end. In the illustration above, a 50-ohm terminator is placed at each end of the cable segment.

  • Page 28

    Connecting the Hub-16U to a Fiber-Optic Backbone With an HP Fiber-Optic Transceiver Module for 10Base-FL networks, you can connect your hub to a fiber-optic backbone. The following illustration shows a hub with an HP Fiber-Optic Transceiver Module connected to a fiber-optic backbone: fiber-optic...

  • Page 29: Troubleshooting

    Troubleshooting Approaches Diagnosing with the LEDs Installation Problems Cabling Problems Unusual Network Activity Diagnostic Tests Replacement Instructions Customer Support Services Troubleshooting...

  • Page 30: Troubleshooting Approaches

    Troubleshooting This chapter describes how to diagnose and resolve operating problems with your hub. Additionally, if you have a HP AdvanceStack 8U/16U SNMP Module installed, you can use ASCII console software for certain diagnostic functions to troubleshoot the hub. Troubleshooting Approaches...

  • Page 31: Diagnosing With The Leds

    If an HP Transceiver module is properly installed, the AUI/Xcvr LED stays lit. If an HP Transceiver module is not installed, the AUI/Xcvr LED turns off. When the self-test completes successfully, the LEDs go into their normal operational states. If a hub hardware fault exists, the hub will not complete self-test.

  • Page 32: Led Error Indications

    Faulty wiring or a bad connection could exist somewhere in that connection. The end node or hub attached to the port is off. If you have an HP AdvanceStack 8U/16U SNMP Module installed, see the module manual. If Port 16, check the position of the MDI/MDI-X switch.

  • Page 33

    SQE test disabled. For information about the SQE test, see your documentation accompanying your transceiver module. If you have an HP AdvanceStack 8U/16U SNMP Module installed, see its manual. The port has been auto-partitioned Slow because of an excessive collision Flash condition.

  • Page 34: Installation Problems

    Properly connecting cables to the transceiver modules is described in the documentation that accompanies those modules. If you are using the optional HP ThinLAN Transceiver Module, be certain the thin coax segment attached to the port is properly terminated with a 50-ohm terminator at both ends, as described in the manual accompanying the transceiver module.

  • Page 35: Unusual Network Activity

    LEDs to identify unusual network activity. Diagnostic Tests If you have an HP AdvanceStack 8U/16U SNMP module installed into the hub, the ASCII console software or HP Interconnect Manager provides tests and indicators that can be used to monitor the hub and its network...

  • Page 36: Testing The Hub Only

    IEEE 802.3 Type 10Base-T standard. To verify that your cable is compatible with this standard, you can use the HP J2263A Cable Test Set. The older HP 28687A Wire Test Instrument can also be used. HP also offers a wire testing service.

  • Page 37: Testing End-to-end Network Communications

    — such that you can verify that the data was correctly transmitted between the devices. For example, if you have two PCs on the network that have HP LAN adapter cards, you can use the “Link Test” option from the card’s test program to verify the entire communication path between the two PCs.

  • Page 38: Replacement Instructions

    The faulty hub should be returned to Hewlett-Packard with the AUI/Xcvr and management slots empty and the cover plates installed. For information about how to remove the modules, see the manuals accompanying the HP Transceiver Module and the HP AdvanceStack 8U/16U SNMP Module. 2-10...

  • Page 39: Customer Support Services

    FTP Library Service. After you download the file(s) from one of these sources, you type filename /x. For example, icmupdt /x HP BBS and World Wide Web The HP BBS phone number is (208) 344-1691 in the USA. Set your modem communication settings to: parity = N...

  • Page 40: Hewlett-packard Ftp Library Service

    Troubleshooting Hewlett-Packard FTP Library Service To access the HP FTP Library, follow these steps: 1. Enter the command: ftp The ftp> prompt appears. 2. At the ftp > prompt, enter: anonymous 3. At the password prompt, enter your internet e-mail address.

  • Page 41: Compuserve

    Troubleshooting CompuServe CompuServe is an electronic information and communication service run by an independent company. The service is typically accessed with a computer and modem and uses standard voice telephone lines for transmitting and receiving data. CompuServe is available 24 hours-a-day, seven days per week.

  • Page 42: Hp First Fax Retrieval Service

    Troubleshooting 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 following topics: Product information Troubleshooting instructions Technical reviews and articles...

  • Page 43: Hub Reference

    Front of the Hub Back of the Hub Hub Operation Hub Reference...

  • Page 44: Front Of The Hub

    Hub Reference Front of the Hub Hub status LEDs The hub status LEDs indicate whether the hub is functioning properly. For further details on error conditions indicated by the Status LEDs, see chapter 2, “Troubleshooting”. State Meaning of LED Power The hub is receiving power.

  • Page 45: Port Status Leds

    * The slow flash is approximately once every 1.5 seconds. AUI/Xcvr Slot The AUI/Xcvr Slot is used to add an HP Transceiver Module. For more information, see the “Install Add-in Modules” section in chapter 1. Back of the hub The management slot is used to add an HP AdvanceStack 8U/16U SNMP Module.

  • Page 46: Hub Operation

    Hub Reference Hub Operation The HP AdvanceStack Hub-16U is a multiport repeater that conforms to the IEEE 802.3 repeater specification. Data signals coming into the hub from any of its ports are automatically regenerated and transmitted to all the other hub network ports. The hub regenerates the data without interpreting the contents, so it can be used in either IEEE 802.3 or Ethernet networks...

  • Page 47: Auto-partitioning

    Hub Reference Auto-Partitioning The hub will automatically partition (temporarily disable) one of its ports if a collision condition exists for an excessive duration (between 1024 and 2048 bit times) or occurs during each of 32 consecutive attempts to transmit. The hub monitors the partitioned port and automatically re-enables the port when a minimum length packet can be successfully transmitted or received without a collision occurring.

  • Page 49: Cables And Connectors

    Recommended Cables Twisted-Pair Cable/Connector Pin-Outs ThinLAN Requirements Cables and Connectors...

  • Page 50: Recommended Cables

    MDI/MDI-X 92268D (4 pair, 32 meters) switch 92268N (4 pair, 300 meters)* * The maximum total length of any twisted-pair segment is 100 meters. You can contact your HP authorized dealer or call HP at 1-800-538-8787 to order these parts.

  • Page 51: Twisted-pair Cable/connector Pin-outs

    Cables and Connectors Twisted-Pair Cable/Connector Pin-Outs Twisted-Pair Cable for Hub-to-Computer Network Connection To connect PCs or other network devices to the hub, use a “straight-through” 10Base-T cable. The twisted-pair wires must be twisted through the entire length of the cable. The wiring sequence must conform to AT&T 258A (not USOC).

  • Page 52: Twisted-pair Cable Pin Assignments

    (receive –) ThinLAN Cable Requirements If you add an HP J2608A ThinLAN Transceiver Module, the thin coaxial cables used with the module must comply with the IEEE 802.3 Type 10Base2 requirements. Some RG-58 A/U or RG-58 C/U cables meet these requirements.

  • Page 53: Specifications

    Physical Electrical Environmental Connectors Electromagnetic Specifications...

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    Specifications Physical Width: 42.5 cm (16.8 in) 4.36 cm (1.7 in) Height: Depth: 23.8 cm (9.4 in) 2.2 kg (4.8 lb) Weight: Electrical ac voltage: 100 - 127 volts 200-240 volts Maximum current: 0.3A max 0.2A max Frequency range: 50/60 Hz 50/60 Hz Environmental Operating...

  • Page 55

    Safety and Regulatory Statements...

  • Page 56: Safety Information

    Safety Information Safety Symbols Documentation reference symbol. If the product is marked with this symbol, refer to the product documentation to get more information about the product. A WARNING in the manual denotes a hazard that can cause injury or death. WARNING A CAUTION in the manual denotes a hazard that can damage equipment.

  • Page 57

    Informations concernant la sécurité Symboles de 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 58

    Hinweise zur Sicherheit Sicherheitssymbole 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 Eine WARNING in der Dokumentation symbolisiert eine Gefahr, die Verletzungen oder sogar Todesfälle verursachen kann.

  • Page 59

    Considerazioni sulla sicurezza Simboli di 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 WARNING denota un pericolo che può causare lesioni o morte. CAUTION La dicitura CAUTION denota un pericolo che può...

  • Page 60

    Consideraciones sobre seguridad Símbolos de 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.

  • Page 61

    Safety Information...

  • Page 62

    Regulatory Statements FCC Statement (For U.S.A. Only) Federal Communications Commission Radio Frequency Interference Statement Warning: This equipment generates, uses, and can radiate radio frequency energy. If it is not installed and used in accordance with the instruction manual, it may cause interference to radio communications.

  • Page 63: Declaration Of Conformity

    Declaration of Conformity The following Declaration of Conformity for the HP AdvanceStack Hub-16U complies with ISO/IEC Guide 22 and EN 45014. The declaration identifies the product, the manufacturer’s name and address, and the applicable specifications that are recognized in the European community.

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  • Page 66

    ... 1-2 installing optional modules ... 1-3 obtaining software from ... 2-11 bulletin board obtaining software from ... 2-11 using to get HP product information ... 2-14 features, hub ... v fiber-optic backbone ... 1-16 front of the hub cabinet mounting status LEDs ...

  • Page 67

    hub operation auto-partitioning ... 3-5 managing the hub ... 1-3 collision detection ... 3-4 MDI switch description ... 3-4 using ... 1-13 link beat ... 3-5 MDI-X switch verifying ... 1-6 using ... 1-13 hub to hub network connections mounting bracket with the MDI switch ...

  • Page 68

    troubleshooting approaches ... 2-2 rack mounting cabling problems ... 2-6 instructions for ... 1-9 diagnosing with the LEDs ... 2-3 recommended cables ... A-2 diagnostic tests ... 2-7 Regulatory statements ... C-8 installation problems ... 2-6 replacement LED pattern during power-on ... 2-3 of the hub ...

  • Page 70

    Technical information in this document is subject to change without notice. © Copyright 1996 Hewlett-Packard Company Printed in U.S.A. 2/96 Manual Part Number J2611-90101 *J2611-90101*...

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