Table of Contents
Troubleshooting
Related Manuals for HP ProCurve 10/100 12
Summary of Contents for HP ProCurve 10/100 12
- Page 1 HP ProCurve 10/100 Hubs Installation Guide 10/100 Hub 12 10/100 Hub 24 For world-wide support on all HP Network Connectivity Products visit our web site at: http://www.hp.com/go/network_city Less Work, More Network...
- Page 2 HP ProCurve 10/100 Hubs Installation Guide http://www.hp.com/go/network_city...
- Page 3 5967-2280 performance, or use of this material. July 1998 Hewlett-Packard assumes no responsibility for the use or reliability of its software on equipment that is not furnished Applicable Products by Hewlett-Packard. HP J3294A 10/100 Hub 12...
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Page 4: Table Of Contents
Contents 1 Introducing the HP ProCurve 10/100 Hubs Front of the Hubs ..........1-2 Network Ports . - Page 5 3 Troubleshooting Basic Troubleshooting Tips ........3-1 Diagnosing with the LEDs .
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Page 6: Introducing The Hp Procurve 10/100 Hubs
Introducing the HP ProCurve 10/100 Hubs The HP ProCurve J3294A and HP J3295A 10/100 hubs are low-cost multiport, dual-speed, 10- and 100Mbps repeaters that can be used to build high- performance workgroup networks. These hubs are completely autosensing and autonegotiating devices that provide the flexibility of adjusting to different speed settings. -
Page 7: Front Of The Hubs
Introducing the HP ProCurve 10/100 Hubs Front of the Hubs This chapter describes your HP 10/100 hubs: Front and back of the hubs Network Ports Port and Hub LEDs Features Hub operation overview Front of the Hubs 10/100Base-T RJ-45 ports Fault Port LEDs... -
Page 8: Network Ports
Introducing the HP ProCurve 10/100 Hubs Front of the Hubs Network Ports The HP 10/100 Network Ports are as follows: 12 or 24 10/100Base-T RJ-45 ports one MDI/MDI-X port (port 1). All the fixed twisted-pair ports are wired as MDI-X. Therefore, to connect end nodes or other MDI-type devices to these ports, use “straight-through”... -
Page 9: Leds For The 10/100Base-T Hubs
Introducing the HP ProCurve 10/100 Hubs Front of the Hubs LEDs for the 10/100Base-T Hubs To see what the LEDs for the HP 10/100 hubs do, see the following table. For a more extended view of the LEDs, see the table under the section “LED Combinations.”... -
Page 10: Led Combinations
Introducing the HP ProCurve 10/100 Hubs Back of the Hubs LED Combinations The following table shows the kind of activity that occurs in various LED illumination combinations: Link LED 100 LED What is Happening The port is operating at 10Mbps. On - Slow Blink The port is operating in 10Mbps mode, but has been partitioned due to excessive collisions. -
Page 11: Features
Introducing the HP ProCurve 10/100 Hubs Features The power cords and levels of power for the hub are listed below. Country Power Cord Part Number Voltage/Hz Level China 8120-8377 220-240 Vac, 50 Hz 8120-6805 110-127 Vac, 60 Hz Europe 8120-6802 230 Vac, 50 Hz Australia 8120-6803... -
Page 12: Installing The Hub
Installing the Hub The HP J3294A and HP J3295A 10/100 hubs are easy-to-install units. Each comes with an accessory kit (HP P/N 5183-7210) that includes the brackets for mounting the hub in a standard 19-inch telco rack or an equipment cabinet, or on a wall, and it comes with rubber feet so it can be securely located on a horizontal surface. -
Page 13: Installation Summary
Installing the Hub Installation Summary Installation Summary Follow these easy steps to install your hub. The rest of this chapter provides details on these steps. Prepare the installation site. Make sure that the physical environment into which you will be installing the hub is properly prepared including having the correct network cabling ready to connect to the hub, and having a good location for the hub. -
Page 14: Installation Precautions
Installing the Hub Installation Summary Installation Precautions The following are power requirement precautions. • 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 15: Prepare The Installation Site
Installing the Hub Installation Summary 1. Prepare the Installation Site Cabling Infrastructure - Ensure that the cabling infrastructure meets the necessary network specifications. See the following table for cable types and lengths, and see Appendix B, “Cables and Connectors” for more information: Port Type Cable Type... -
Page 16: Verify The Hub Operates Correctly
Installing the Hub Installation Summary 2. Verify the Hub Operates Correctly Before mounting the hub in its network location, you should first verify that it is working properly by plugging it into a power source and verifying that it passes its self test. Connect the power cord supplied with the hub to the power connector on the back of the hub, and then into a properly grounded electrical outlet. -
Page 17: Mount The Hub
Installing the Hub Installation Summary If the LED display is different than what is described above, especially if the Fault LED stays on for more than 3 seconds, the self test has not completed correctly. Refer to chapter 3, “Troubleshooting” for diagnostic help. - Page 18 Installing the Hub Installation Summary Partially install a screw into the top hole of a close (0.5-inch) pair on both sides of the rack Place the hub in the rack and lower it so the notches in the bottom of the bracket slide onto the screws.
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Page 19: Wall Mounting
Installing the Hub Installation Summary Wall Mounting You can mount the hub on a wall. Note that the hub should be mounted only to a wall or wood surface that is at least 1/2-inch plywood or its equivalent. Use a #1 Phillips (cross-head) screwdriver and attach the mounting brackets to the hub with the included 10-mm M4 screws. -
Page 20: Connect The Hub To A Power Source
Installing the Hub Installation Summary 4. Connect the Hub to a Power Source Plug the included power cord into the hub’s power connector and into a nearby AC power source. Re-check the LEDs during self test. See “LED Behavior” on page 2-5. For power precautions, see the section, “Installation Precautions”... -
Page 21: Sample Network Topologies
Installing the Hub Sample Network Topologies Sample Network Topologies For topology information, see the document Designing HP ProCurve Work- group Networks, which can be found on the HP network products World Wide Web site, http://www.hp.com/go/network_city. Also, see the Quick Reference Card that accompanies the product for sample network topologies. -
Page 22: Troubleshooting
Troubleshooting This chapter describes how to troubleshoot your HP 10/100 hub. This chapter describes the following: basic troubleshooting tips diagnosing with the LEDs Hardware Diagnostic tests HP Customer Support Services Basic Troubleshooting Tips Most problems are caused by the following situations: Incorrect hub-to-switch or hub-to-hub connections. - Page 23 Troubleshooting Basic Troubleshooting Tips Non-standard cables. Non-standard and miswired cables may cause network collisions and noise, and can seriously impair network perfor- mance. 100Base-T networks are more sensitive to miswired cables than 10Base-T networks. Use a new correctly-wired cable or compare your cable to the cable in Appendix B, “Cables and Connectors”...
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Page 24: Diagnosing With The Leds
Troubleshooting Diagnosing with the LEDs Diagnosing with the LEDs LED patterns indicating problems Diagnostic Tips Power Fault Port Check the power cord and power source. If they are OK, the hub may have to be replaced. Contact your HP-authorized LAN dealer or HP representative for assistance. -
Page 25: Hardware Diagnostic Tests
Troubleshooting Hardware Diagnostic Tests Hardware Diagnostic Tests Testing the Hub by Resetting It If you believe that the hub is not operating correctly, you can reset it to test its circuitry and operating code. To reset a hub, either: Unplug and plug back in the power cord (power cycle) Press the reset button on the front of the hub Power cycling the hub and pressing the Reset button both cause the hub to perform its power-on self-test, which almost always will resolve any tempo-... -
Page 26: Hp Customer Support Services
HP Customer Support Services HP Customer Support Services If you are still having trouble with your hub, Hewlett-Packard offers support 24 hours a day, seven days a week through the use of a number of automated electronic services. See the Warranty and Support booklet that came with your hub for information on how to use these services to get technical support. -
Page 28: Specifications
Specifications Physical Width: 42.5 cm (17 in) Depth: 20.3 cm (8 in) Height: 4.36 cm (1.7 in) Weight : 2.2 kg (4.8 lbs) Electrical The switch automatically adjusts to any voltage between 100-127 and 200-240 volts and either 50 or 60 Hz. AC voltage: 100–127 volts 200–240 volts... - Page 29 Specifications Connectors The 10/100 Mbps RJ-45 twisted-pair ports are compatible with the IEEE 802.3 and 802.3u 100Base-T standards respectively. Safety IEC950 (1991) + A1, A2/.EN60950 I (1992)+A1,A2 CSA950 NOM-019-SCFI-1993 UL1950...
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Page 30: B Cables And Connectors
Cables and Connectors This appendix lists cables that have been tested and verified for use with the HP10/100 12 and 24 hubs. It also includes minimum pin-out information so, if you wish to use an unlisted cable, you can verify that the cables used in your installation are correctly wired. -
Page 31: Twisted-Pair Cable For Hub (Mdi-X) To Computer (Mdi) Network Connection
Cables and Connectors Twisted-Pair Cable/Connector Pin-Outs Twisted-Pair Cable for Hub (MDI-X) to Computer (MDI) Network Connection To connect PCs or other MDI network devices to these ports, use a “straight- through” cable. Connector “A” Connector “B” Straight-Through Cable White/Orange Orange/White White/Green Green/White N o t e... -
Page 32: Twisted-Pair Cable For Hub (Mdi-X) To Hub Or Hub (Mdi-X) Network Connection
Cables and Connectors Twisted-Pair Cable/Connector Pin-Outs Twisted-Pair Cable for Hub (MDI-X) to Hub or Hub (MDI-X) Network Connection To connect hubs or switches or other MDI-X network devices to these ports, use a “crossover” cable. Connector “A” Connector “B” Crossover Cable White/Orange Orange/White White/Green... -
Page 33: Twisted-Pair Cable Pin Assignments
Cables and Connectors Twisted-Pair Cable/Connector Pin-Outs Twisted-Pair Cable Pin Assignments Twisted-Pair Straight-Through Cable Hub End (MDI-X) Computer, Transceiver, or Other MDI Port End Signal Pins Pins Signal (receive +) (transmit +) (receive -) (transmit -) (transmit +) (receive +) (transmit - (receive -) Twisted-Pair Cross-Over Cable Hub End (MDI-X) -
Page 34: C Safety And Emc Regulatory Statements
Safety and EMC Regulatory Statements 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. -
Page 35: Informations Concernant La Sécurité
Safety and EMC Regulatory Statements Informations concernant la sécurité 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 36: Hinweise Zur Sicherheit
Safety and EMC Regulatory Statements Hinweise zur Sicherheit 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 37: Considerazioni Sulla Sicurezza
Safety and EMC Regulatory Statements Considerazioni sulla sicurezza Considerazioni sulla sicurezza Simbolo di riferimento alla documentazione. Se il prodotto è contras- segnato 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. -
Page 38: Consideraciones Sobre Seguridad
Safety and EMC Regulatory Statements Consideraciones sobre seguridad 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. -
Page 39: Safety Information (Chinese
Safety and EMC Regulatory Statements Safety Information (Chinese) Safety Information (Chinese) -
Page 40: Safety Information (Japanese
Safety and EMC Regulatory Statements Safety Information (Japanese) Safety Information (Japanese) -
Page 41: Regulatory Statements
Safety and EMC Regulatory Statements Regulatory Statements 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 interference when the equipment is operated in a commercial environment. - Page 42 Safety and EMC Regulatory Statements Regulatory Statements Korea The top statement is for Class A products. The bottom statement is for Class B products. Taiwan...
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Page 43: European Community
Safety and EMC Regulatory Statements Regulatory Statements European Community C-10... - Page 44 Index Numerics features 10/100 Hub 12, Hub 24 … 1-6 100Base-TX ports flashing LED cables used with … 2-4 error indications … 3-3 10Base-T ports front of hub cables used with … 2-4 illustration … 1-2 LEDs for … 1-4 horizontal surface back of hub mounting hub on …...
- Page 45 MDI-X to MDI network cable … B-2 testing MDI-X to MDI-X network cable … B-3 twisted-pair cabling … 3-4 mounting the hub topologies in a rack … 2-6 effects of improper topology … 3-2 on a horizontal surface … 2-8 samples of …...
- Page 46 Technical information in this document is subject to change without notice. © Copyright Hewlett-Packard Company 1998. All rights reserved. Reproduction, adaptation, or translation without prior written permission is prohibited except as allowed under the copyright laws. Printed in Singapore 7/98...