HP ProCurve 10/100 12 Installation Manual Download Page 5

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3 Troubleshooting

Basic Troubleshooting Tips

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Diagnosing with the LEDs

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

Hardware Diagnostic Tests

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

Testing the Hub by Resetting It . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

Testing Twisted-Pair Cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

HP Customer Support Services

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

A Specifications

B Cables and Connectors

Twisted-Pair Cable/Connector Pin-Outs

. . . . . . . . . . . . . . . . . . . . . . . B-1

Twisted-Pair Cable for Hub (MDI-X) to
Computer (MDI) Network Connection . . . . . . . . . . . . . . . . . . . . . . . . B-2

Twisted-Pair Cable for Hub (MDI-X) to
Hub or Hub (MDI-X) Network Connection . . . . . . . . . . . . . . . . . . . . . B-3

Twisted-Pair Cable Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . B-4

Twisted-Pair Straight-Through Cable . . . . . . . . . . . . . . . . . . . . . . B-4
Twisted-Pair Cross-Over Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . B-4

C Safety and EMC Regulatory Statements

Safety Information

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-1

Informations concernant la sécurité

. . . . . . . . . . . . . . . . . . . . . . . . . . . C-2

Hinweise zur Sicherheit

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-3

Considerazioni sulla sicurezza

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-4

Consideraciones sobre seguridad

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-5

Safety Information (Chinese)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-6

Safety Information (Japanese)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-7

Regulatory Statements

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-8

Index

Roadhw0.bk : Roadhw0TOC.fm Page iv Thursday, May 28, 1998 5:40 PM

Summary of Contents for ProCurve 10/100 12

Page 1: ...HP Networking Installation Guide For world wide support on all HP Network Connectivity Products 10 100 Hub 12 10 100 Hub 24 HP ProCurve 10 100 Hubs ...

Page 2: ...HP ProCurve 10 100 Hubs Installation Guide http www hp com go network_city Roadhw0 bk ROADHW0 FM Page i Thursday May 28 1998 5 40 PM ...

Page 3: ...ES NO WARRANTY OF ANY KIND WITH REGARD TO THIS MATERIAL INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF 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 re...

Page 4: ...ub Included Parts 2 1 Installation Summary 2 2 Installation Precautions 2 3 1 Prepare the Installation Site 2 4 2 Verify the Hub Operates Correctly 2 5 LED Behavior 2 5 3 Mount the Hub 2 6 Rack or Cabinet Mounting 2 6 Wall Mounting 2 8 Horizontal Surface Mounting 2 8 4 Connect the Hub to a Power Source 2 9 5 Some Basic Troubleshooting 2 9 Sample Network Topologies 2 10 Where to Go From Here 2 10 R...

Page 5: ...nection B 2 Twisted Pair Cable for Hub MDI X to Hub or Hub MDI X Network Connection B 3 Twisted Pair Cable Pin Assignments B 4 Twisted Pair Straight Through Cable B 4 Twisted Pair Cross Over Cable B 4 C Safety and EMC Regulatory Statements Safety Information C 1 Informations concernant la sécurité C 2 Hinweise zur Sicherheit C 3 Considerazioni sulla sicurezza C 4 Consideraciones sobre seguridad C ...

Page 6: ...is autonegotiation capable or already configured to half duplex and will autonegotiate with other autonegotiating or half duplex devices The two hub models are Throughout this manual these hubs will be abbreviated as the HP 10 100 hubs The HP 10 100 Hub 12 and Hub 24 have twelve and twenty four dual speed 10 100Base T ports respectively Withthesehubsyoucanbuildanetworkinfrastructurebyconnectingthe...

Page 7: ...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 Power LED Fault LED Port LEDs Collision LED 10 100Base T RJ 45 ports Reset button Activity LED MDI MDI X ButtonforPort1 Roadhw0 bk ROADHW1 FM Page 2 Thursday May 28 1998 5 40 PM ...

Page 8: ...n crosses the cable pairs so that the Transmit and Receive pins on connecting devices exchange signals correctly Port LED Types There are two types of port LEDs Link This LED highlights the port number When lit these LEDs indicate the port has detected another device If the 100 LED is not lit then the Link LED indicates a connection to an attached 10Base T device 100 This LED highlights the rectan...

Page 9: ...Activity Green On Blinking The hub is receiving packets If it appears as solid packet traffic is heavy Off The hub is not receiving packets from any attached device Collision Orange On Blinking The hub has detected two or more packets on the hub have run into each other on the hub blocking successful If the LED is on solid a heavy collision rate is occurring Off No collisions have been detected on...

Page 10: ...on when connected to an active AC power source The hubs automatically adjust to various voltages depending on the country between 100 127 and 200 240 volts and either 50 or 60 Hz There are no voltage range settings required Link LED 100 LED What is Happening On Off The port is operating at 10Mbps On Slow Blink Off The port is operating in 10Mbps mode but has been partitioned due to excessive colli...

Page 11: ...t Ethernet network devices and your network is operational all ports are autonegotiation capable 12 or 24 Link LEDs with companion 100Mbps LEDs push button MDI MDI X selection rack or wall mountable Country Power Cord Part Number Voltage Hz Level China 8120 8377 220 240 Vac 50 Hz USA 8120 6805 110 127 Vac 60 Hz Europe 8120 6802 230 Vac 50 Hz Australia 8120 6803 220 240 Vac 50 Hz Japan 8120 6804 10...

Page 12: ...all your 10 100 hub Included Parts The 10 100 hub has the following components shipped with it HP ProCurve 10 100 Hubs Installation Guide 5967 2280 this manual Customer Support Warranty booklet 5967 2242 Accessory kit 5183 7210 two mounting brackets four 10 mm M4 screws to attach the mounting brackets to the hub four 5 8 inch number 12 24 screws to attach the hub to a rack four rubber feet Power c...

Page 13: ...fplugging the hub into a power source and observing that the LEDs on the hub s front panel show correct operation 3 Mount the hub The hub can be mounted in a 19 inch telco rack in an equipment cabinet on a wall or on a horizontal surface 4 Connect power to the hub Once the hub is mounted plug it in to the nearby main power source 5 Connect the network devices Using the appropriate network cables c...

Page 14: ...ver The hub should be mounted in a position toward the bottom of the rack for stability and to make it easier to stack the other hubs on top Before mounting a hub plan its location and orientation relative to other devices and equipment Also consider the cabling that will be attached to the hub and the ports that will be used Verify that there is room for the grouped cables to trail out from the s...

Page 15: ...ngs of all devices installed on the same circuit as the hub and compare the total with the rating limit for the circuit The maximum ampere ratings are usually printed on the devices near the AC power connectors Caution Ensure that the power source circuits are properly grounded See the Safety Statements at the end of this manual Do not install the hub in an environment where the operating ambient ...

Page 16: ... Note 2 Check the LEDs on the hub When the hub is powered on it performs its diagnostic self test The self test occurs by all port LEDs illuminating and going off The self test takes approximately three seconds to complete LED Behavior During the self test Initially all the hub and port LEDs are on After three seconds the port LEDs go off When the self test completes successfully The large Power L...

Page 17: ...he hub is designed to be mounted in any EIA standard 19 inch telco rack or in an equipment cabinet such as a server cabinet For safe operation please read the mounting precautions in the section Installation Precautions earlier in this chapter before mounting a hub 1 Use a 1 Phillips cross head screwdriver and attach the mounting brackets to the hub with the included 10 mm M4 screws 2 Partially in...

Page 18: ... onto the screws Tighten these screws be careful not to overtighten them 4 Install the other number 12 24 screw into the upper hole in each bracket Tighten these screws be careful not to overtighten them Partially install a screw into the top hole of a close 0 5 inch pair onbothsides of the rack Roadhw0 bk ROADHW2 FM Page 7 Thursday May 28 1998 5 40 PM ...

Page 19: ...4 screws 2 Attach the hub to the wall or wood surface with 5 8 inch number 12 wood screws not included Horizontal Surface Mounting Place the hub on a table or other horizontal surface Use a sturdy surface in an uncluttered area You may want to secure the networking cables and hub power cord to the table leg or other part of the surface structure to help prevent people from tripping over the cords ...

Page 20: ...ng Condition Diagnostic Tip Port LED is still off when a cable is connected Try the following For the indicated port verify that both ends of the cabling at the hub and the connected device are snug Verify the connected device and hub are both powered on and operating correctly Verify that you have used the correct cable type for the connection Twisted pair cable connections in general for connect...

Page 21: ... 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 Where to Go From Here Your hub is now correctly installed and is able to send and receive data between end nodes servers and printers The HP 10 100 hubs are plug and communicate network devices requiring no configuration Roadhw0 bk ROADHW2 FM Page 10 Thu...

Page 22: ... press the MDI button When connecting an MDI X device to an MDI device use a straight through cable Most switch and hub ports are wired as MDI X ports so for these hub to hub or hub to switch connections use a crossover cable LAN adapters in end nodes are normally wired as MDI ports as are some ports on hubs and switches For connections from the hub to these MDI ports use a straight through cable ...

Page 23: ...les are displayed here The maximum segment length for a hub to end node connection is 100 meters You are permitted to cascade no more than two hubs Do not mix Class I and Class II hubs when cascading Whencascadingtwohubstogether themaximumdistanceseparating them is 5 meters You must use Category 5 cable installations Improper Network Topologies It is important to make sure you have a valid network...

Page 24: ...mon try a different cable For the 100 Mbps autosensed ports verify that you are using category 5 or better UTP cable ON Flashing Flashingfor partitioned port The port has been autopartitioned due to excessive collisions This usually occurs because of bad cabling or a network loop ON ON for a pro longed period Variable all may be ON A hub hardware failure was detected during self test Self test doe...

Page 25: ...ler or HP representative for assistance Testing Twisted Pair Cabling If you think the cable should work but still isn t working it may not be compatible with the IEEE 802 3 Type 10Base T or IEEE 802 3u 100Base T standards The twisted pair cables attached to the HP 10 100 hub must be compatible with these standards To verify that your cable is compatible with these standards use a qualified cable t...

Page 26: ... days a week through the use of a number of automated electronicservices SeetheWarrantyandSupportbookletthatcamewithyour hub for information on how to use these services to get technical support Your HP authorized network reseller can also provide you with assistance both with services that they offer and with services offered by HP Roadhw0 bk ROADHW3 FM Page 5 Thursday May 28 1998 5 40 PM ...

Page 27: ...Roadhw0 bk ROADHW3 FM Page 6 Thursday May 28 1998 5 40 PM ...

Page 28: ...eight 4 36 cm 1 7 in Weight 2 2 kg 4 8 lbs AC voltage 100 127 volts 200 240 volts Maximum current 1 0A max 0 5A max Frequency range 50 60 Hz 50 60 Hz Operating Non Operating Temperature 0 C to 55 C 32 F to 131 F 40 C to 70 C 40 F to 158 F Relative humidity non condensing 15 to 95 at 40 C 104 F 10 to 90 at 65 C 149 F Maximum altitude 4 6 Km 15 000 ft 4 6 Km 15 000 ft ROADHWA FM Page 1 Wednesday Jun...

Page 29: ...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 Roadhw0 bk ROADHWA FM Page 2 Thursday May 28 1998 5 40 PM ...

Page 30: ...0 100 Hub 12 and Hub 24 are wired as MDI X ports The type of twisted paircable you connectto these ports either straight through or crossover depends on the type of device at the other end of the cable The basic rule is when connecting same type ports together for example MDI X to MDI X use crossover cable when connecting opposite type ports together for example MDI X to MDI use straight through c...

Page 31: ...cable 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 6 on connector A must be wired as a twisted pair to pins 3 and 6 on connector B Pins 4 5 7 and 8 are not used in this application although they may be wired in the cable Connector A Connector B White Orange Orange White White Green Green White Straight Through Cable Roadhw0 bk ROADHWB F...

Page 32: ...crossover cable Note Pins 1 and 2 on connector A must be wired as a twisted pair to pins 3 and 6 on connector B Pins 3 and 6 on connector A must be wired as a twisted pair to pins 1 and 2 on connector B Pins 4 5 7 and 8 are not used in this application although they may be wired in the cable Crossover Cable Connector A Connector B White Orange Orange White White Green Green White Roadhw0 bk ROADHW...

Page 33: ...e Hub End MDI X Computer Transceiver or Other MDI Port End Signal Pins Pins Signal receive receive transmit transmit 1 2 3 6 1 2 3 6 transmit transmit receive receive Hub End MDI X Hub or Hub Port or Other MDI X Port End Signal Pins Pins Signal receive receive transmit transmit 1 2 3 6 6 3 2 1 transmit transmit receive receive Roadhw0 bk ROADHWB FM Page 4 Thursday May 28 1998 5 40 PM ...

Page 34: ...ch as lightning or disturbances in the electrical utilities power grid Handle exposed metal components of the network with caution 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 they are powered on when the power cord is plugged in Docume...

Page 35: ...toires dangereuses telles que la foudre ou des perturba tions dans le réseau d alimentation public Manipulez les composants métalliques du réseau avec précautions Aucune pièce contenue à l intérieur de ce produit ne peut être réparée par l utilisateur Tout dépannage réglage entretien ou réparation devra être confié exclusivement à un personnel qualifié Cet appareil ne comporte pas de commutateur p...

Page 36: ...ei der Handhabung exponierter Metallbestandteile des Netzwerkes Vorsicht walten lassen Dieses Gerät enthält innen keine durch den Benutzer zu wartenden Teile Wartungs Anpassungs Instandhaltungs oder Reparaturarbeiten dürfen nur von geschultem Bedienungspersonal durchgeführt werden Dieses Gerät hat keinen Netzschalter es wird beim Anschließen des Netzkabels eingeschaltet Symbol für Dokumentationsve...

Page 37: ...occasionalmente andare soggetti a pericolose tensioni transitorie ad esempio provocate da lampi o disturbi nella griglia d alimen tazione della società elettrica siate cauti nel toccare parti esposte in metallo della rete Nessun componente di questo prodotto può essere riparato dall utente Qualsiasi lavoro di riparazione messa a punto manutenzione o assistenza va effettuato esclusi vamente da pers...

Page 38: ...os cables de la LAN se vean sometidos de vez en cuando a voltajes momentáneos que entrañen peligro rayos o alteraciones en la red de energía eléctrica Manejar con precaución los componentes de metal de la LAN que estén al descubierto Este aparato no contiene pieza alguna susceptible de reparación por parte del usuario Todas las reparaciones ajustes o servicio de mantenimiento debe realizarlos sola...

Page 39: ...C 6 Safety and EMC Regulatory Statements Safety Information Chinese Safety and EMC Regulatory Statements Safety Information Chinese Roadhw0 bk ROADHWC FM Page 6 Thursday May 28 1998 5 40 PM ...

Page 40: ...C 7 Safety and EMC Regulatory Statements Safety Information Japanese Safety and EMC Regulatory Statements Safety Information Japanese Roadhw0 bk ROADHWC FM Page 7 Thursday May 28 1998 5 40 PM ...

Page 41: ...mmercial environment This equipment gener ates 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 in which case the user will be required to correct the interference at his own expense Canada This product complies w...

Page 42: ...y Statements Regulatory Statements Safety and EMC Regulatory Statements Korea The top statement is for Class A products The bottom statement is for Class B products Taiwan Roadhw0 bk ROADHWC FM Page 9 Thursday May 28 1998 5 40 PM ...

Page 43: ...C 10 Safety and EMC Regulatory Statements Regulatory Statements Safety and EMC Regulatory Statements European Community Roadhw0 bk ROADHWC FM Page 10 Thursday May 28 1998 5 40 PM ...

Page 44: ... 4 E electrical specifications A 1 environmental specifications A 1 F Fault LED 1 4 2 5 3 3 features 10 100 Hub 12 Hub 24 1 6 flashing LED error indications 3 3 front of hub illustration 1 2 H horizontal surface mounting hub on 2 8 hub description 1 1 diagnostics with 3 4 features 1 6 mounting in a rack or cabinet 2 6 mounting on a wall 2 8 mounting on horizontal surface 2 8 hub operation verifyin...

Page 45: ...A 1 connectors A 2 electrical A 1 electromagnetic A 2 environmental A 1 physical A 1 straight through cable pin out B 4 summary of hub installation 2 2 T testing twisted pair cabling 3 4 topologies effects of improper topology 3 2 samples of 2 10 troubleshooting 3 1 common network problems 3 1 diagnostic tests 3 4 effects of improper topology 3 2 effects of non standard cables 3 2 testing the hub ...

Page 46: ...0 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 ...

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