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Twisted-Pair Cable Pin Assignments

Twisted-Pair Straight-Through Cable

Hub End

Computer or

Transceiver End

Signal

Pins

Pins

Signal

(r)
(receive –)
(tr)
(transmit –)

1
2
3
6

1
2
3
6

(tr)
(transmit –)
(r)
(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.

The maximum length of a single thin coaxial cable segment is 185 meters.
The minimum length (for example, to connect adjacent hubs in a rack) is 0.5
meter.

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Cables and Connectors

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Содержание AdvanceStack Hub-16U

Страница 1: ...Installation and Reference Guide HP J2611B HP AdvanceStack 10Base T Hub 16U ...

Страница 2: ......

Страница 3: ...t the transfer type 4 Enter cd pub networking software 5 Enter get filename to transfer the file to your computer and quit CompuServe 1 Login to CompuServe 2 Enter go hpsys 3 Enter lib 7 4 Enter download filename and then quit World Wide Web http www hp com go network_city Select the Support section then Software Downloads and Patches Download the file you need and extract it by typing filename x ...

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Страница 5: ...HP AdvanceStack Hub 16U Installation and Reference Guide ...

Страница 6: ...tion 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 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 ob...

Страница 7: ...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 802 3 and Ethernet networks iii ...

Страница 8: ...Hub status LEDs Twisted pair ports Twisted pair port LEDs Front of the Hub Cover plate over slot for HP AUI and Transceiver Modules ac power receptacle Cover plate over slot for HP AdvanceStack 8U 16U SNMP Module Back of the Hub iv ...

Страница 9: ... you can hot swap a hub Hot swap means that removing a hub connected to other hubs through the ThinLAN transceiver does not bring down the network you can upgrade or replace hubs in a stack with the network up and running All modules with an external transceiver allow you to connect to an Ethernet IEEE 802 3 LAN The twisted pair module adds another RJ 45 port for a total of 17 twisted pair ports o...

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Страница 11: ...1 Connecting Devices to the Hub 1 11 Cable management 1 12 Connecting Hubs Together 1 13 Connecting Hubs to Network Backbones 1 15 2 Troubleshooting Troubleshooting Approaches 2 2 Diagnosing with the LEDs 2 3 LED Pattern During Self Test 2 3 LED Error Indications 2 4 Installation Problems 2 6 Incorrect Hardware Installation 2 6 Cabling Problems 2 6 Unusual Network Activity 2 7 Diagnostic Tests 2 7...

Страница 12: ...status LEDs 3 2 Port status LEDs 3 3 AUI Xcvr Slot 3 3 Back of the hub 3 3 Hub Operation 3 4 Collision Detection 3 4 Auto Partitioning 3 5 Link Beat 3 5 A Cables and Connectors Recommended Cables A 2 Twisted Pair Cable Connector Pin Outs A 3 Twisted Pair Cable for Hub to Computer Network Connection A 3 Twisted Pair Cable Pin Assignments A 4 ThinLAN Cable Requirements A 4 B Specifications Safety an...

Страница 13: ...1 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 ...

Страница 14: ... or other device s to the hub s ports Included Parts Each Hub 16U has the following components shipped with it HP AdvanceStack Hub 16U Installation and Reference Guide this manual J2611 90101 A power cord one of the following Australia New Zealand Denmark Europe Japan Switzerland United Kingdom U S Canada 8120 1369 8120 2956 8120 1689 8120 4753 8120 2104 8120 1351 8120 1378 accessory kit two mount...

Страница 15: ...ts will be accessible HP AdvanceStack 8U 16U SNMP Module By installing an optional HP J3313A AdvanceStack 8U 16U SNMP Module you can configure monitor and troubleshoot the hub from a PC running the ASCII console software or HP Interconnect Manager WA 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 ...

Страница 16: ...nfigure monitor and troubleshoot the hub For more information about the ASCII console commands see the documentation accompanying the optional HP AdvanceStack 8U 16U SNMP Module ASCII console null modem cable Installing the Hub Installing the Hub 1 4 ...

Страница 17: ...HP Transceiver Modules and their cabling configurations are described in their accompanying documentation HP Transceiver Module HP J2608A ThinLAN Transceiver Module for 10Base 2 networks HP J2606A Fiber Optic Transceiver Module for 10Base FL networks HP J2607A Twisted Pair Transceiver Module for 10Base T networks HP J2609A AUI Port Module for connecting a standard IEEE 802 3 external transceiver t...

Страница 18: ...d 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 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 Power receptacle on the back of the hub Installing the Hub...

Страница 19: ...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 See the documentation accompanying the module for more information If all of the Port LEDs stay on after 3 seconds and you have not connected end nodes to these ports the hub has failed ...

Страница 20: ...ches 7 6 cm of space for twisted pair cables In the back of the hub leave 3 inches 7 cm of space for the power cord the 8U 16U SNMP module and a serial cable Ensure that the HP AdvanceStack hub s do not overload the power circuits wiring and over current protection To determine the possibility of overloading the supply circuits add together the ampere ratings from the nameplates of all your hubs a...

Страница 21: ...ith either the back or the front facing out 2 Position the hub in the rack or cabinet and slide it up or down until the rack holes line up with the bracket holes 3 Then attach the hub to the rack with 5 8 inch number 12 24 screws included in the accessory kit with a Phillips crosshead screwdriver Some cabinets require number 10 32 screws instead available as part number 2680 0302 Make sure you hav...

Страница 22: ...head screwdriver Table Mounting To place the hub on a table or other horizontal surface no special tools are necessary Attach the self adhesive rubber feet included in the accessory kit to the bottom of the hub Be certain to pick a sturdy table in an uncluttered area You may want to secure the hub s cables to the leg of the table to prevent people from tripping over them 10 mm M3 screws Flat on wa...

Страница 23: ...ers 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 This section describes the different ways you can connect your hub to your network Connecting Devices to the Hub To connect a device to the hub push the RJ 45 plug into the RJ 45 jack until the tab on the plug clicks into place R...

Страница 24: ... 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 Installing the Hub Installing the Hub 1 12 ...

Страница 25: ...gh cable rather than cross over cable to connect two hubs together The cable can be up to 100 meters in length In the MDI position the switch is exposed by 0 06 inches 1 5 mm in front of the bezel In the MDI X position use Port 16 to connect your hub to a PC or similar device using straight through cable In the MDI X position the switch is exposed by 0 2 inches 5 mm in front of the bezel C a u t i...

Страница 26: ...a thin LAN network The following illustration shows a hub with an HP ThinLAN Transceiver Module Up to 100 meters PC attached to Port 16 switch in MDI X position and straight through cable is used Hub attached to Port 16 switch in MDI position and straight through cable is used HP J2608A ThinLAN Transceiver Module installed in the AUI Xcvr Slot thin LAN cable 50 ohm terminator Installing the Hub In...

Страница 27: ...nect three hubs together from one ThinLAN port to another 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 Connecting Hubs to Network Backbones Connecting the Hub 16U to a ThinLAN Backbone The optional ThinLAN Transceiver Module has a BNC 10Base2 port that can be used...

Страница 28: ...owing illustration shows a hub with an HP Fiber Optic Transceiver Module connected to a fiber optic backbone For more information about cabling configuration see the documentation accompanying the optional transceiver modules See the Designing HP AdvanceStack Workgroup Networks guide for information on valid network topologies ThinLAN backbone HP J2606A Fiber Optic Transceiver Module installed in ...

Страница 29: ...2 Troubleshooting Troubleshooting Approaches Diagnosing with the LEDs Installation Problems Cabling Problems Unusual Network Activity Diagnostic Tests Replacement Instructions Customer Support Services ...

Страница 30: ...ose hub problems By checking the LEDs on the front of the hub as described in Diagnosing with the LEDs later in this chapter By visually inspecting the unit and all its connections as described in the Installation Problems and Cabling Problems sections later in this chapter By using the ASCII console s diagnostic functions as described in the documentation shipped with the HP AdvanceStack 8U 16U S...

Страница 31: ... 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 This will be indicated by an abnormal LED pattern The display of the Port LEDs depends on whether the HP AdvanceStack 8U 16U SNMP Module is installed If you have an HP AdvanceStack 8U 16U SNMP Modu...

Страница 32: ... the device attached to that port 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 For hub to hub connections set the switch to MDI For hub to PC connections set the switch to MDI X ON OFF V...

Страница 33: ... auto partitioned because of an excessive collision condition Check cable connections and status of attached network devices for causes of the excess collisions ON Slow Flash The transceiver port has been auto partitioned because of too many collisions Check cable terminations connections SQE setting on any external transceivers and status of attached network devices for causes of the excess colli...

Страница 34: ...nent correctly Cabling Problems A high percentage of network problems are due to faulty cabling Cabling problems usually result in the failure of a hub to connect to a network another hub or the end nodes Connections All cables attached to the hub should be checked to see that they are properly connected Proper network connections are described in chapter 1 Installing the Hub Properly connecting c...

Страница 35: ...s probably at fault Refer to the guide entitled Designing HP AdvanceStack Workgroup Networks for topology configuration guidelines Contact your HP authorized LAN dealer or local HP sales office to get a copy of this guide Unusual Network Activity Network activity that exceeds accepted norms often indicates a hardware problem with one or more of the network components possibly including the hub Unu...

Страница 36: ...ub and execute its self test If all of the Port LEDs stay on after 3 seconds the hub may have failed its self test See Diagnosing with the LEDs earlier in this chapter to interpret the LED display C a u t i o n Cycling power on the hub will temporarily disable the network and could have other adverse effects Testing Twisted Pair Cabling The twisted pair cable attached to the hub must be compatible...

Страница 37: ...ple 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 In the following illustration two computers are connected together with twisted pair cable to two different ports on the hub See your LAN adapter card s manual for information on running an end to end communi...

Страница 38: ...l surface or wear an anti static wrist strap that is attached to grounded metal To prevent generating static electricity minimize your movement around the work area or work in an anti static work area Handle the module carefully at all times Avoid flexing it or touching its components The faulty hub should be returned to Hewlett Packard with the AUI Xcvr and management slots empty and the cover pl...

Страница 39: ...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 data bits 8 stop bits 1 baud rates 300 1200 2400 4800 9600 or 14400 From the BBS you can download files and learn about HP networking products After you download the file extract the file e g j3...

Страница 40: ...onymous 3 At the password prompt enter your internet e mail address 4 Change directories cd pub networking software 5 At the ftp prompt set the transfer type to binary bin 6 List the contents of the directory dir 7 Retrieve the file by entering get filename e g get j3133a exe 8 Quit the FTP session by entering quit 9 Extract the file e g j3133a x Troubleshooting Troubleshooting 2 12 ...

Страница 41: ...s for transmitting and receiving data CompuServe is available 24 hours a day seven days per week The participants pay a monthly fee for this service To get the latest agent firmware from CompuServe follow these steps 1 Login to CompuServe 2 Type go hpsys 3 Type lib 7 4 Type download filename e g download j3133a exe 5 Log off CompuServe 6 Extract the file e g j3133a x Troubleshooting Troubleshootin...

Страница 42: ...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 To receive a list of currently available documents enter document number 19941 The information you requested will be sent to you by return fax HP Network Phone In Support NPS Call your HP Authorized Dealer or the nearest HP Sales and Support Office In addition the HP Network...

Страница 43: ...3 Hub Reference Front of the Hub Back of the Hub Hub Operation ...

Страница 44: ...is being transmitted Normally the LED appears to flicker In heavy traffic it may appear on all the time Collision orange Flickering This LED is on while a collision is detected on any of the attached cable segments If collisions are infrequent which is normal the light may be imperceptible In a network with heavy traffic the LED will glow and flicker dimly indicating collisions are occurring If it...

Страница 45: ...ule port has auto partitioned See Auto Partitioning later in this chapter Twisted pair Port green On Link beat is detected from the attached node Off The port is not receiving the link beat signal from the attached node Slow Flash The port has been auto partitioned See Auto Partitioning later in this chapter The slow flash is approximately once every 1 5 seconds AUI Xcvr Slot The AUI Xcvr Slot is ...

Страница 46: ...vel protocol Collision Detection The hub also performs collision detection A collision occurs when two nodes try to transmit at the same time When the hub detects a collision it stops repeating the colliding transmissions and starts transmitting a jamming signal The jamming signal tells the transmitting nodes that a collision has occurred The colliding nodes then stop transmitting for a random amo...

Страница 47: ...llision will be detected when that port attempts to transmit If a port s receive Rx wires are not connected properly collisions may occur because the hub cannot detect the presence of network traffic on that port and may thus transmit at inappropriate times A port may occasionally also become partitioned when network traffic is extremely heavy causing an abnormally high collision rate Link Beat Ty...

Страница 48: ......

Страница 49: ...A Cables and Connectors Recommended Cables Twisted Pair Cable Connector Pin Outs ThinLAN Requirements ...

Страница 50: ...use of problems for LAN communications HP recommends that you work with a qualified LAN cable installer for assistance with your cabling requirements Recommended Cables Cable Function Cable Type HP Product Number Network connections to the hub Hub to end node connection or hub to hub connection using the MDI MDI X switch Twisted pair straight through cable 92268A 4 pair 4 meters 92268B 4 pair 8 me...

Страница 51: ...cable The wiring sequence must conform to AT T 258A not USOC See Twisted Pair Cable Pin Assignments later in this chapter for a listing of the signals used on each pin N o t e Pins 1 and 2 must be a twisted pair Pins 3 and 6 must be a twisted pair Pins 4 5 7 and 8 are not used in this application although they may be wired in the cable Straight through cable white orange orange white white green g...

Страница 52: ...le 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 The maximum length of a single thin coaxial cable segment is 185 meters The minimum length for example to connect adjacent hubs in a rack is 0 5 meter Cables and Connector...

Страница 53: ...B Specifications Physical Electrical Environmental Connectors Electromagnetic ...

Страница 54: ...ndensing 15 to 95 at 40 C 104 F 15 to 90 at 65 C 149 F Maximum altitude 4 6 km 15 000 ft 4 6 km 15 000 ft Connectors The RJ 45 twisted pair ports are compatible with the IEEE 802 3 Type 10Base T standard Electromagnetic Emissions FCC part 15 Class A EN 55022 Class A CISPR 22 Class A VCCI Level I Complies with Canadian EMC Class A requirements Immunity See the Declaration of Conformity for details ...

Страница 55: ...Safety and Regulatory Statements ...

Страница 56: ...duct 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 LAN cables may occasionally be subject to hazardous t...

Страница 57: ...imentation 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 assurez vous que les prises de terre de sécurité soie...

Страница 58: ...nals 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 ein Gebiet umfaßt das von mehr als einem Stromverteilungssystem beliefert wird müssen Sie sich vergewissern daß die Sicherheitserdungen...

Страница 59: ... 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 collegamento 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 accertatevi che i collegamenti a terra di sicurezz...

Страница 60: ...to 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 red de distribución de electricidad cerciorarse ...

Страница 61: ...Safety Information Safety and Regulatory Statements 7 ...

Страница 62: ...ble protection against such interference when operated in a commercial environment If this equipment causes interference to radio reception which can be determined by unplugging the power cord from the equipment try these measures Re orient the receiving antenna Relocate the equipment with respect to the receiver Plug the equipment and receiver into different branch circuits Consult your dealer or...

Страница 63: ... 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 Safety and Regulatory Statements 9 ...

Страница 64: ......

Страница 65: ...Index ...

Страница 66: ...claration of Conformity C 9 diagnosing with the LEDs 2 3 diagnostic tests 2 7 testing the hub only 2 8 testing twisted pair cabling 2 8 E electrical specifications B 2 electromagnetic specifications B 2 environmental specifications B 2 Ethernet networks iii external power supply 1 2 F fax using to get HP product information 2 14 features hub v fiber optic backbone 1 16 front of the hub status LEDs...

Страница 67: ... 3 2 twisted pair ports 3 3 verifying hub operation 1 7 link beat description 3 5 list included parts 1 2 M managing the hub 1 3 MDI switch using 1 13 MDI X switch using 1 13 mounting bracket for cable management 1 12 mounting the hub 1 8 in a rack or cabinet 1 9 precautions 1 8 N network backbones 1 15 network connections hub to hub connections 1 13 port connections 1 11 O operation of the hub de...

Страница 68: ...0 ohm terminator 1 15 cable requirements A 4 topology faults 2 7 transceiver modules 1 5 part of hub installation 1 3 troubleshooting approaches 2 2 cabling problems 2 6 diagnosing with the LEDs 2 3 diagnostic tests 2 7 installation problems 2 6 LED pattern during power on 2 3 LED patterns showing errors 2 4 testing the hub 2 8 testing the twisted pair cables 2 8 topology faults 2 7 unusual networ...

Страница 69: ......

Страница 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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