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HP J2600A, Installation And Reference Manual

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HP J2600A Installation And Reference Manual Download Page 93

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 –)

Twisted-Pair Crossover Cable

Hub 1-end

Hub 2-end

Signal

Pins

Pins

Signal

(r)
(receive –)
(tr)
(transmit –)

1
2
3
6

6
3
2
1

(transmit –)
(tr)
(receive –)
(r)

ThinLAN Cable Requirements

The thin coaxial cables used with the HP AdvanceStack 10Base-T Hubs
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 Co

nnecto

rs

Cables and Connectors

A-7

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

Summary of Contents for J2600A

Page 1: ... underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos In stock Ready to ship TAR certified secure asset solutions Expert team I Trust guarantee I 100 satisfaction All trademarks brand names and brands appearing herein are the property of their respective ...

Page 2: ...HP AdvanceStack 10Base T Hubs Installation and Reference Guide Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 3: ...se 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 card shrink wrapped with this manual 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 ...

Page 4: ...Ethernet networks There are three models in the HP AdvanceStack 10Base T hub family Thin LAN Extension Distributed Management RS 232 In Out 8 5 Reset Exp Slot Security Activity ThinLAN Console AUI Xcvr Collision 10Base T Hub 12 6 7 1 2 9 3 10 4 11 12 Power Fault AdvanceStack HP J2600A AUI Xcvr Slot HP AdvanceStack 10Base T Hub 12 HP J2600A HP AdvanceStack 10Base T Hub 24 HP J2601B HP AdvanceStack ...

Page 5: ...et SNMP Module HP AdvanceStack Dial A LAN 2A Plus V 34 HP AdvanceStack Dial A LAN 4A HP AdvanceStack Router 210 Module Distributed Management RJ 45 extension ports for chaining the HP AdvanceStack hubs together allowing access to all the hubs in the chain from one RS 232 out of band connection into the chain or from a network management station The out of band control is from a PC running HP Stack...

Page 6: ...b 90 120 volts or 200 240 volts No voltage range setting or fuse change is needed For the Hub 24 and Hub 48 a power connector for the HP J2962A Redundant Power Supply RPS which will be available at the end of 1995 With the rack mountable RPS your hub will receive redundant DC power for increased reliability The ability to hot swap a hub Removing a hub connected to other hubs through the built in T...

Page 7: ...twisted pair ports hub status LEDs and reset button twisted pair port LEDs cable management guide Front Panel power connector cover plate over slot for HP Ethernet SNMP Module Back Panel redundant power connector for the Hub 24 and Hub 48 vi Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 8: ...pub networking software 5 Type get filename to transfer the file to your computer and quit CompuServe 1 Login to CompuServe 2 Type go hpsys 3 Type lib 7 4 Type download filename and then quit World Wide Web http www hp com go network_city Select the Support section then Downloads and Patches Download the file you need and extract it by typing filename x Do you have questions about designing your e...

Page 9: ...twork Connections to the Hub 1 11 Connecting Computers and Other Devices 1 11 Hub to Hub Network Connections 1 12 Hub to Network Backbone Connections 1 13 Network Port Connections 1 14 Cable Management 1 19 5 Connect the Hub to the Distributed Management Console optional 1 20 Using a Direct Serial Connection 1 21 Using a Modem Connection with HP Stack Manager 1 22 Using the Distributed Management ...

Page 10: ... 7 LAN Traffic Statistics 2 7 Hub Identification 2 7 Port Enable Disable 2 8 Port Counters 2 8 Reset 2 8 Redundant Power Supply RPS 2 8 HP Stack Manager Advanced Features 2 9 Higher Speed Serial Access 2 9 Modem Access for HP Stack Manager 2 9 IP Configuration 2 10 Password 2 10 Authorized Managers 2 11 Backup Link 2 11 Robust Port Control 2 11 Network Tests 2 12 Factory Reset 2 12 Contents viii A...

Page 11: ...3 9 In Band Network Management 3 9 Security Features 3 10 Port Security 3 11 Authorized Managers List 3 11 Password Protection 3 12 Optional Modules 3 12 HP Ethernet SNMP Module 3 12 HP Transceiver Modules 3 14 HP Router Module 3 15 HP Dial a LAN Remote Access Server 3 17 HP J2623A Dial A LAN 2A Plus V 34 3 17 HP J2624A Dial A LAN 4A 3 18 Firmware Enhancements 3 19 Contents ix Artisan Technology G...

Page 12: ... 4 7 Topology 4 8 Unusual Network Activity 4 8 IP Configuration Errors 4 8 Diagnostic Tests 4 9 Testing the Hub Only 4 9 Testing the Hub s Ports and the Links 4 9 Testing Twisted Pair Cabling 4 10 Clearing a Password 4 11 Customer Support Services 4 12 Hewlett Packard FTP Library Service 4 13 CompuServe 4 14 HP FIRST Fax Retrieval Service 4 15 HP Network Phone In Support NPS 4 15 Contents x Artisa...

Page 13: ...2 Connector and Cable Pin Outs A 9 Pin Out for Hub s RS 232 Port Connector A 9 RS 232 C Null Modem Cable for Direct Console Connection supplied with the hub A 10 RS 232 C Modem Cable A 10 B Specifications C Network Addressing Communication Between the Hub and Network Management Station C 2 IPX Addressing for Novell NetWare C 3 IPX Addressing Notes C 3 IP Addresses for IP and Non IP Networks C 4 Us...

Page 14: ...nk D 5 Indications of Backup Link Activation D 6 Reactivating the Primary Link D 7 Example Topologies D 8 Example 1 Hub to Hub D 8 Example 2 Backup Link Using Alternative Medium D 9 Safety and Regulatory Statements Index Contents xii Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 15: ...eps 1 Install Add in Modules optional 2 Verify the Hub s Operation 3 Mount the Hub 4 Complete the Network Connections to the Hub 5 Connect the Hub to the Distributed Management Console optional Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 16: ... Kit HP AdvanceStack 10Base T Hubs Installation and Reference Guide this manual 5964 4601 Product Registration Kit Serial cable for attaching a PC to the out of band management port 5182 4794 50 pin RJ 45 Adapters J2605 61001 2 supplied with the 24 port hub 4 with the 48 port hub accessory kit s accessories vary with hub model purchased the 5063 4251 kit shipped with all hub models two mounting br...

Page 17: ...et SNMP Module and or an HP Transceiver Module If you intend to install any of these optional modules refer to the documentation that was shipped with it It may be more convenient to install these optional modules before installing the hub in a rack or other location Inspect your installation site and identify whether the hub s module slots will be accessible Installing the HP AdvanceStack Hubs In...

Page 18: ...panel When the hub is powered on it performs a self diagnostic test during which time all the LEDs are lit For a hub without an optional SNMP Module installed the self test takes approximately 3 seconds For a hub with an SNMP Module the self test takes up to 60 seconds While the SNMP Module is being tested the Activity Collision and RPS LEDs are not lit or flickering if there is net work traffic o...

Page 19: ... ports that will be used If you use the cable guide bar on the right side of the hub s front make room for the grouped cables to trail out from the right side of the hub 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...

Page 20: ...the hub Be careful not to overtighten the screws Note that several different rack mount positions are possible by using the different holes in the bracket and the hub The illustration shows the recommended position for a rack mounting it provides the most well balanced position for the hub align top of bracket with top of hub 10 mm M4 screws Installing the HP AdvanceStack Hubs Installing the HP Ad...

Page 21: ...ck upright Ensure that the screws in each upright are at the same level If you are stacking multiple hubs in a single rack and want them to fit tightly the selection of the first screw holes is important In an EIA standard 19 telco rack the screw hole pattern is repetitive pairs of holes are separated by 0 5 inch or 0 625 inch Insert these first screws in the repeats with vertical pairs of the hol...

Page 22: ...two number 12 24 screws into the upper hole in each bracket Be careful not to overtighten these screws Continued on the next page Upper hole in the bracket Lower notch in the bracket Install additional screw Installing the HP AdvanceStack Hubs Installing the HP AdvanceStack 10Base T Hubs 1 8 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 23: ...elow Continue to alternate notch and hole hole and notch for all hubs to be installed To assist you a single hash mark is located by one notch hole pair and a double hash mark is located by the other pair on the bracket Installing the HP AdvanceStack Hubs Installing the HP AdvanceStack 10Base T Hubs 1 9 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 24: ...h the hub to the wall or wood surface with 5 8 inch number 12 wood screws not included 10 mm M4 screws Bracket mounting position for flat mounting on a wall 10 mm M4 screws Bracket mounting position for bookshelf style mounting on a wall Plug the power cord into the hub s power receptacle before mounting the hub There may not be enough room to do so after the hub is mounted Installing the HP Advan...

Page 25: ...ase T Hub or other Ethernet hub Some examples of connections that can be made to your hub are shown below Specific details about connecting your network cabling to the hub s ports are included later in this chapter Connecting Computers and Other Devices Devices connected to the hub s 50 pin telco connector through a cross connect block Devices connected directly to a 50 pin RJ 45 adapter on the hu...

Page 26: ...t through the entire segment is only two See the Designing HP AdvanceStack Workgroup Networks guide for information on valid network topologies ThinLAN Port to ThinLAN Port Twisted Pair to Twisted Pair Port Cascading In a twisted pair cable connection between hubs Tx and Rx pairs must be reversed You can use the HP 92214W Crossover cable with inline adapter to reverse the pairs See appendix A Cabl...

Page 27: ...vity Activity ThinLAN ThinLAN Console Console AUI Xcvr AUI Xcvr Collision Collision 6 6 7 7 1 1 2 2 9 9 3 3 10 10 4 4 11 11 12 12 Power Power Fault Fault AdvanceStack HP J2600A AdvanceStack HP J2600A 10Base T Hub 12 10Base T Hub 12 Exp Slot Distributed Management In Out Exp Slot Distributed Management HP J2606A Fiber Optic Light Status Rx Tx HP Fiber Optic Transceiver Module HP J2606A fiber optic ...

Page 28: ...stall the 50 pin RJ 45 Adapter J2605 61001 on the 24 and 48 port hubs telco connectors 1 Insert the hook on the back of the adapter into the slot on the hub s face 2 Pivot the adapter and press it onto the telco connector 3 Make sure the hook is in the hub s slot then secure the adapter to the hub using the thumb screw Do not overtighten the screw slot in the hub 50 pin telco connector insert hook...

Page 29: ... 48 port hubs have industry standard 50 pin telco connectors To use a telco connector 1 Attach the mounting hook included in the Accessory Kit 5063 4252 to the threaded hole on the back of the telco plug Be careful not to overtighten the screw holding the hook B B 2 4 6 8 10 12 1 3 5 7 9 11 10Base T Hub 24 2 4 6 8 10 12 1 3 5 7 9 11 RJ 45 plug unshielded twisted pair cable 50 pin telco plug mounti...

Page 30: ...e screw To remove a telco connector reverse this process N o t e If you are using a mixture of 50 pin RJ 45 Adapters and right angle 50 pin connectors on an HP AdvanceStack 10Base T Hub position the Adapters to the left of the right angle 50 pin connectors insert hook in slot press telco plug onto connector secure plug with attached screw Installing the HP AdvanceStack Hubs Installing the HP Advan...

Page 31: ...Cover the BNC connector with an insulating cover To remove a ThinLAN cable reverse this process N o t e Each ThinLAN cable segment must be terminated using a 50 ohm termi nator at each end In the illustration above a 50 ohm terminator would be placed on one side of the BNC T connector if that connector is at the end of the cable segment BNC T connector ThinLAN cable ThinLAN cable 50 ohm terminator...

Page 32: ...t options if present must be disabled on the transceiver Transceivers that cannot disable these tests cannot be used with the HP AdvanceStack 10Base T Hubs An HP 28641A ThinMAU does not meet this requirement and cannot be used Use an HP 28641B ThinLAN transceiver instead Similarly an HP 30241A ThickMAU with a date code D 3017 or earlier cannot be used The date code is found on a small white sticke...

Page 33: ...ties that allow you to wrap the cables and then attach the bundle to the cable management bar as shown in the illustration below In some instances all the cables will not fit inside the post on the cable management bar The specialized cable tie can be used to bundle the extra cables and hang them on the outside of the post cable management bars specialized cable tie Installing the HP AdvanceStack ...

Page 34: ...ware is described in chapter 2 Installing and Using HP Stack Manager With the HP Ethernet SNMP Module the module s console is also used to configure monitor and diagnose one hub or a stack of up to 16 hubs that are chained together You can access the console through a terminal emulator on your PC or through a terminal There are three ways to access a hub through a direct serial connection through ...

Page 35: ... to an available 9 pin serial port on the personal computer or 25 pin serial port on the terminal If only a 25 pin serial port is available use a 9 pin to 25 pin port adapter not supplied 2 For HP Stack Manager define the out of band port s data commu nication settings using the Communications Settings function in HP Stack Manager See the HP Stack Manager online help for more information serial ca...

Page 36: ...remote modem and the other to the PC the local modem The modems that have been tested for use with the HP AdvanceStack hubs are all listed in the modem configuration screens in HP Stack Manager You just have to select the modem you are using from the list and HP Stack Manager automatically provides the correct initialization string The basic steps to connect the hub to HP Stack Manager with a mode...

Page 37: ...number of the remote modem 5 From the main screen click on the Connect button to establish the communication connection between the two modems Once the connection is established the hub or stack of hubs will be displayed on the HP Stack Manager s main screen See the HP Stack Manager online help for more specific instructions Installing the HP AdvanceStack Hubs Installing the HP AdvanceStack 10Base...

Page 38: ...list command You are then able to use either interface program to configure monitor and diagnose other hubs in the chain Hubs are chained together by connecting them through the Extension ports on the front of the hub using standard straight through 10Base T twisted pair cables This chained connection is independent of any network connections between hubs A maximum of 16 hubs can be chained togeth...

Page 39: ...Software Description Computer Requirements Installing and Starting HP Stack Manager HP Stack Manager Basic Features HP Stack Manager Advanced Features Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 40: ...ial link or a remote modem link With the HP Stack Manager software you can also configure and monitor any HP AdvanceStack hub that is chained to that hub via the Distributed Management Extension In Out ports Connecting a hub to a console and chaining the hubs is described in chapter 1 Installing the HP AdvanceStack 10Base T Hubs HP Stack Manager provides basic management functions for all the HP A...

Page 41: ... connect the PC directly to the hub or two modems if connecting through a modem link and a standard modem cable to connect the modem to the hub The cable included with the hub will not work as a modem cable See appendix A Cables and Connectors for details on appropriate cables Connecting the hub and the PC or modem is described in detail in chapter 1 Installing the HP AdvanceStack 10Base T Hubs 10...

Page 42: ...ur HP Stack Manager files by accepting the default directory that is displayed for you or typing over the default entry with the name of the directory you desire The installation program will install the software in the specified directory and create an HP Stack Manager program group and icon in Windows Program Manager 5 To start the HP Stack Manager open the HP Stack Manager group in the Program ...

Page 43: ...uctions on how to use the HP Stack Manager refer to the online help system To access the HP Stack Manager online help either select Help from the menu bar or click the Help button on each of the screens where help is available HP Stack Manager Basic Features The HP Stack Manager s basic features are available on each of the three AdvanceStack 10Base T Hubs They include Communications settings Conn...

Page 44: ...ack Manager If the hub to which the serial connection is being made does not have the HP Ethernet SNMP Module installed this connection can be only a direct connection at 9600 baud If the hub has the module installed the connection can be direct or through a modem and at a wide range of baud rates These expanded connection capabilities are described later under HP Stack Manager Advanced Features T...

Page 45: ...graphical representation of the front of the hub This display is accessed when you double click on the hub listed in the Chain Display window or when you click on the hub and then click on the Access button In the display the colors and symbols for each port indicate its status You can select the port you wish to monitor or control by clicking on the symbol for that port LAN Traffic Statistics The...

Page 46: ...the hub N o t e When you perform a reset your HP Stack Manager session with that hub will be terminated If you reset the hub to which the serial connection direct cable or modem link is made the connection between the PC running HP Stack Manager and the hub will be terminated you will have to reestablish the connection to access the hub or stack of hubs If you reset one of the other hubs in the ch...

Page 47: ...ou install an HP Ethernet SNMP Module in your hub additional baud rates that are higher than the default of 9600 can be used to connect the PC running HP Stack Manager to the hub See the HP Stack Manager online help for more information Modem Access for HP Stack Manager When you install an HP Ethernet SNMP Module in your hub the serial connection between the PC running HP Stack Manager and the hub...

Page 48: ...r access to the hub from the serial port and from SNMP management stations Once a password is configured it is also used as the SNMP community name for network management access to the hub N o t e The password is stored on the hub that has the HP Ethernet SNMP Module installed in it For password protection on the serial connection to your hub or stack of hubs you must connect the serial cable or m...

Page 49: ... failure thus eliminating the possibility of loops in the network See appendix D Backup Links for more information Robust Port Control The Robust Port Control window allows you to invoke options to improve the hub s ability to tolerate network problems resulting from excessive collisions The configurable options are Intelligent Segmentation Recovery Late Collision Monitoring These features are des...

Page 50: ...et function in HP Stack Manager offers an additional reset option Factory Reset A factory reset resets the hub s configuration except the IP configuration to the factory default values The factory reset also causes the hub to perform its self test and then causes the results listed below all network ports are enabled link beat is enabled for all the 10Base T twisted pair ports hub counters are res...

Page 51: ...and Back Panel Descriptions How the Hubs Work Managing Your Hub HP Distributed Management Optional Accessories Firmware Enhancements Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 52: ...ted management Optional AUI port module installed in AUI Xcvr slot twisted pair ports hub status LEDs and reset button twisted pair port LEDs cable management guide power connector cover plate over slot for HP Ethernet SNMP Module Back Panel redundant power connector Hub Reference Hub Reference 3 2 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 53: ...Activity green Flickering ON while a packet is being transmitted Normally the LED appears to flicker In heavy traffic it may appear on all the time Fault orange Off The normal state Indicates that there are no fault conditions on the hub On The hub has failed its self test after being powered on or reset Flashing slowly A port has been auto segmented or the Redundant Power Supply has experienced a...

Page 54: ... LED will also be flashing at the same rate See Auto Segmentation later in this chapter Flashing Rapidly The port has experienced a security violation The Security LED will also be flashing at the same rate See Security Features later in this chapter AUI Xcvr On The AUI Xcvr port is enabled and not segmented This LED will always be on under these conditions even if this port is not being used Off ...

Page 55: ...rts The hub regenerates the data without interpreting the contents so it can be used in either IEEE 802 3 or Ethernet networks and with any upper level 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 this it stops repeating the colliding transmissions and starts transmitting a jamming sig...

Page 56: ...tion Recovery Available on hubs with the HP Ethernet SNMP Module Intelligent Segmentation Recovery makes it more difficult for a problem port to automatically re enable itself to send traffic on the network For a port configured with Intelligent Segmentation Recovery once it has been disabled due to extended or excessive collisions it will be automatically re enabled only when it is able to transm...

Page 57: ...n SNMP network management station Late Collision Monitoring is configurable for either single node connections to isolate problem nodes or multiple node connections cascaded ports or backbone connections to isolate parts of the network The Late Collision Monitoring feature is enabled through the Robust function in HP Stack Manager or the RObustness command in the ASCII console The default setting ...

Page 58: ...stack In band management from a network management station running HP Interconnect Manager anywhere on the network that the hubs are in PC running HP Stack Manager connected to the hub stack or an ASCII terminal emulator Network management station on the LAN running HP Interconnect Manager ICM HP Ethernet SNMP Module required for ICM and the ASCII terminal distributed management chain Hub Referenc...

Page 59: ...t The basic management program included with your hub HP Stack Manager is a Windows based graphical user interface that serves as the console for the HP AdvanceStack hubs With this program you can configure monitor and diagnose your hub or a chain of hubs Refer to chapter 2 Installing and Using HP Stack Manager for more details about out of band management Included with the HP J2603A or B Ethernet...

Page 60: ...g a chain of HP AdvanceStack hubs automatically generate a graphic display of the network map gather network traffic statistics enable and disable ports configure port security and other security features on the hub run tests of the hub test network links to other devices Using Non HP Network Management To manage an HP AdvanceStack hub from a non HP network management product you must first obtain...

Page 61: ...r documentation for more information on the Interconnect Manager control of this feature see the HP Ethernet SNMP Module documentation for description of the ASCII terminal SEcure command Authorized Managers List The HP AdvanceStack 10Base T Hub with an HP Ethernet SNMP Module installed can be configured with a list of up to ten network management stations that are authorized to manage the hub Thi...

Page 62: ...3A or B is an optional component that can be added to an HP AdvanceStack 10Base T Hub to provide extended hub functions and management capabilities If the optional HP Ethernet SNMP Module is installed in the hub you have these additional features Advanced embedded agent code enabling the hub to be managed remotely from a network management station that supports SNMP over IP using the configured IP...

Page 63: ...r 1 megabyte RAM 8 kilobytes EEPROM for configuration data and 256 kilobytes flash EEPROM for additional processing power and future upgrade capabilities Updatable firmware that enables enhancements to be downloaded either from a computer attached to the out of band management port or over the network See Firmware Enhancements later in this chapter With firmware version A 03 00 or later the agent ...

Page 64: ...orks You have a choice of using any of these modules HP J2608A ThinLAN Transceiver Module for 10Base2 HP J2606A Fiber Optic Transceiver Module for 10Base FL HP J2607A Twisted Pair Transceiver Module for 10Base T HP J2609A AUI Port Module for external transceivers Hub Reference Hub Reference 3 14 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 65: ...N SMDS frame relay and LAPB X 25 connections to other routers over point to point or switched circuits An internal Ethernet 802 3 LAN port through which the router module communicates with the hub The router provides both bridging and routing capabilities and supports the following routing services Internet Protocol TCP IP protocol suite DECnet Phase IV Xerox XNS Novell IPX Status LEDs Reset butto...

Page 66: ...e network Additional features include SmartBoot which allows another HP router or a BOOTP server on the network to automatically configure the router module when it is first booted after installation This eliminates the need for expert personnel at the site where the router module is installed HP EASE Embedded Advanced Sampling Environment The ability to download enhancements to the router module ...

Page 67: ...P AdvanceStack hub If you do not have a J2603B SNMP Module already you can purchase the Dial A LAN and SNMP modules together in either of the following bundles HP J2633A Dial A LAN 2A Plus V 34 and HP Ethernet SNMP Module HP J2634A Dial A LAN 4A with the HP Ethernet SNMP Module HP J2623A Dial A LAN 2A Plus V 34 The HP Dial A LAN 2A Plus has two RJ 11 connectors and two built in V 34 modems The V 3...

Page 68: ...dial in access with PPP default SLIP and CSLIP IP IPX NetBEUI and LLC dial in are also supported PPP Stacker Compression available for dial in and LAN to LAN connections DHCP support for dial in client address assignment Macintosh dial in access for IP networks with ARPA 2 0 MacTCP supported for IP connections Windows support and DOS based dial out access through NASI and Int 14 for IPX networks t...

Page 69: ... updated code can be loaded from a PC attached to the hub s out of band management port or downloaded over the network See the end of chapter 4 Troubleshooting for information on how to download the latest agent code The update procedure is described in the file that comes with the latest SNMP Module firmware for your HP AdvanceStack hub Hub Reference Hub Reference 3 19 Artisan Technology Group Qu...

Page 70: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 71: ...Diagnosing with the LEDs Installation Problems Cabling Problems Unusual Network Activity IP Configuration Errors Diagnostic Tests Customer Support Services Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 72: ...e 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 HP Stack Manager s diagnostic functions described in chapter 2 Installing and Using HP Stack Manager and in the so...

Page 73: ...3 seconds during which time all the LEDs except the RPS LED are lit For a hub with an SNMP Module the 3 second hub test takes place first all the LEDs are lit followed by the SNMP Module self test which lasts approximately an additional 57 seconds While the SNMP Module is being tested the Activity Collision and RPS LEDs are not lit or are flickering if there is network traffic on the hub and the E...

Page 74: ...out with a black bar through it For a twisted pair port link beat is not detected In this condition the link beat bar below the port symbol on the graphic display will be red Be sure the cable is properly connected For the ThinLAN port Thinwatch is disabled the default value and the port is auto segmented the port symbol will be red Thinwatch improves diagnosis of a faulty ThinLAN port Configure T...

Page 75: ...n ON Rapid Flash ON Not Flashing An unauthorized network management station has attempted to access a hub with an HP Ethernet SNMP Module ON ON ON Slow Flash for more than 60 sec after a reset or power on All ON The HP Ethernet SNMP Module has failed self test and or its firmware code has become corrupted This is frequently the result of a failure during downloading of new code Repeat the download...

Page 76: ...rd at both the back of the hub and the ac power outlet to be certain the cord is properly connected ASCII Console Connection Problems The ASCII console was added to the HP J2603B Ethernet SNMP Module firmware versions A 03 00 or later If your EEPROM is older you do not have the ASCII console See chapter 3 Hub Reference for information on how to update your HP J2603A or B Ethernet SNMP Module with ...

Page 77: ...t is being used be certain the ThinLAN cable segment attached to the port is properly terminated with a 50 ohm terminator at both ends as described in chapter 1 Installing the HP AdvanceStack 10Base T Hubs Non standard Cables Mis wired cables may cause numerous network collisions and can seriously impair network performance Before connecting cables into your network you should verify that they com...

Page 78: ...ndicated by the LEDs on the front of the hub or measured with one of the diagnostic tools in the HP Stack Manager Refer to Diagnosing with LEDs earlier in this chapter for information on using LEDs to identify unusual network activity IP Configuration Errors If you are using IP communications make sure your IP configuration parameters are set properly Use the HP Stack Manager s IP Configuration fu...

Page 79: ...nditions exist in the hub the LEDs should display the condition See Diagnosing with the LEDs earlier in this chapter to interpret the LED display Testing the Hub s Ports and the Links These tests are available only on hubs that have an HP Ethernet SNMP Module installed To test the hub s ports and the attached network links choose one of the following ways to run a test between the hub and an addre...

Page 80: ...eiver that is attached to the port If the test fails you can test the hub using the Testing the Hub Only procedures on the previous page You should also verify that the remote device is powered on and functioning properly and that the cable is good If the hub passes its tests but the network test link test Ping test or IPX test fails the problem is in the cabling the remote device or possibly the ...

Page 81: ...the password press and hold the button for approximately five seconds As an indication that the password has been cleared the Security LED on the front of the hub will come on and stay on until the button is released N o t e After the password has been cleared access to the hub from the HP Stack Manager and from SNMP management stations will no longer be password protected Press the Password Clear...

Page 82: ...ve and the HP 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 Set your modem communication settings to parity N data bits 8 stop bits 1 baud rates 300 1200 2400 4800 9600 or 14400 The URL address for the World Wide Web is http www hp com go network_city From this ...

Page 83: ...d prompt enter your internet e mail address 4 At the ftp prompt set the transfer type to binary bin 5 Change directories cd pub networking software 6 Retrieve the file by entering get filename e g get asfw exe 7 Quit the FTP session by entering quit 8 Extract the file e g asfw x Troubleshooting Troubleshooting 4 13 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artis...

Page 84: ...hours a day seven days per week The participants pay a monthly fee as well as an hourly connect charge 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 icmupdt exe 5 Log off CompuServe 6 Extract the file e g icmupdt x Troubleshooting Troubleshooting 4 14 Artisan Technology G...

Page 85: ...IRST Outside the U S and Canada 208 344 4809 and press 9 for HP FIRST 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 Phone In Support NPS service provides expert technical...

Page 86: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 87: ...Cables Twisted Pair Cable Connector Pin Outs ThinLAN Cable Requirements AUI Cable Minimum Pin Out Distributed Management Connector Cable Pin Outs Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 88: ...n correctly N o t e Incorrectly wired cabling is the most common cause of problems for LAN communications HP recommends that you work with a qualified LAN cable installer for assistance with your cabling requirements These topics are discussed Recommended HP cables Twisted pair cable connector pin outs ThinLAN cable requirements AUI cable Console connector and cable pin outs For information about ...

Page 89: ...ansceiver and the HP 28683A Fiber Optic Transceiver These transceivers can be attached directly to the AUI connector on the AUI Port Module Console PC connection to the hub s RS 232 port Connecting the PC directly to the hub s RS 232 port 9 pin male RS 232 C 9 pin female to 9 pin female null modem or crossover cable RS 232 C cable provided with the hub HP p n 5182 4794 25 pin male RS 232 C 9 pin f...

Page 90: ... 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 wired to a twisted pair Pins 3 and 6 must be wired to 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 green white Cables and Connectors Cabl...

Page 91: ...orm 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 4 and 5 must be wired to a twisted pair Pins 1 2 3 6 7 and 8 are not used in this application although they may be wired in the cable The maximum total length of all the extension cables in a chain is 185 meters blue white white blue Straight through cab...

Page 92: ... the hub 2 end Pins 3 and 6 on the hub 1 end must be wired through a twisted pair to pins 1 and 2 on the hub 2 end Pins 4 5 7 and 8 are not used in this application although they may be wired in the cable A short crossover cable like the HP 92214W can be used to adapt a straight through twisted pair cable for cascading hubs through the twisted pair ports Crossover cable straight through in line ad...

Page 93: ...1 transmit transmit receive receive ThinLAN Cable Requirements The thin coaxial cables used with the HP AdvanceStack 10Base T Hubs 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 C...

Page 94: ...it B Voltage Plus For this connection you can use HP 92264D 1 meter thin AUI extension pin 4 not connected HP 92254A through H 6 meter through 48 meter thick AUI cables HP 92254J 5 meter thin AUI cable pin 4 not connected Some longer cables may have all 15 pins wired See the IEEE 802 3 standards document for definitions of the pins not shown here Cables and Connectors Cables and Connectors A 8 Art...

Page 95: ...connect a modem to the hub use a standard RS 232 C modem cable This section provides pin assignment information for the cables you can use on the hub s Distributed Management RS 232 port Pin Out for Hub s RS 232 Port Connector PIN US CCITT DIN 1 DCD 109 M5 2 Rx 104 D2 3 Tx 103 D1 4 DTR 108 S1 5 GND 102 6 DSR 107 M1 7 RTS 105 S2 8 CTS 106 M2 9 RI 125 M3 Cables and Connectors Cables and Connectors A...

Page 96: ...RS 232 C Modem Cable Modem end 25 pin male Hub end 9 pin female Signal 2 3 Tx 3 2 Rx 4 7 RTS 5 8 CTS 6 6 DSR 7 5 GND 8 1 CD OR DCD 20 4 DTR 22 9 RI 23 DRS typically on V 24 European modems not connected Cables and Connectors Cables and Connectors A 10 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 97: ...B Specifications Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 98: ... 50 60 Hz 50 60 Hz Environmental 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 15 to 90 at 65 C 149 F Maximum altitude 4 6 km 15 000 ft 4 6 km 15 000 ft Connectors The 50 pin and RJ 45 twisted pair ports are compatible with the IEEE 802 3 Type 10Base T standard The ThinLAN port is compatible with the...

Page 99: ...gement Agent Support with HP J2603A or B Ethernet SNMP Module RFC 1213 MIB II RFC 1516 IEEE 802 3 Repeater MIB RFC 1515 IEEE 802 3 MAU MIB HP Enterprise Specific Extensions Warranty See the warranty card that is shrink wrapped with this manual Datacomm Declarations United Kingdom The HP J2600A J2601B and J2602B hubs are approved under Approval Number NS G 1234 J 100003 for indirect connection to p...

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Page 101: ...cations Between Hub and Network Management Station IPX Addressing for Novell NetWare IP Addressing for IP and non IP Networks Using BOOTP Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 102: ...station and the hub takes place using the network layer protocols IPX for Novell networks or IP for TCP IP networks Which protocol you use depends on the protocol being used by the network management station Additionally if the network management station is on the other side of a router from your hub the protocol you run on both the hub and the network management station depends on which protocol ...

Page 103: ...X protocol The device identification is usually the hub s station address also known as the MAC address Ethernet address or physical address This address is a unique 12 digit hexadecimal number assigned to the hub at the factory IPX Addressing Notes Because the IPX address is assigned automatically no IPX configuration is necessary therefore no IPX configuration is provided on the hub console inte...

Page 104: ...t this form by either sending an electronic mail message to hostmaster nic ddn mil or by writing GSI at the following address Mailing Address Government Systems Inc Attn Network Information Center 14200 Park Meadow Drive Suite 200 Chantilly VA 22021 Telephone in U S only 1 800 365 3642 worldwide 1 703 802 4535 FAX 1 703 802 8376 Allow at least eight working days for GSI to process an IP address re...

Page 105: ...s to be configured The IP address format is X X X X where each X is an integer between 1 and 255 The integers are separated by decimal points For a given network with its own class C addressing scheme the first three integers of each address must be the same The fourth integer must be unique for each addressed device Do not use 0 or 255 as the value in the last position on the right They are reser...

Page 106: ...asts BOOTP requests that contain the hub s station address The BOOTP server receives the request and searches its BOOTP table file for an entry that matches the hub s station address If a match is found the configuration data in the associated file entry is returned to the hub as a BOOTP reply For most UNIX systems the BOOTP table is contained in the etc bootptab file The example below applies to ...

Page 107: ...s the IP address of the default router or gateway that allows the hub to communicate with systems that are not on the local network segment If there is no default router do not include this tag vm is a required entry that specifies the BOOTP report format For the HP AdvanceStack 10Base T hubs you must set this parameter to rfc1048 Notes for the bootptab file Blank lines and lines beginning with th...

Page 108: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 109: ...nfiguring a Backup Link Identifying the Backup Link Indications of Backup Link Activation Reactivating the Primary Link Example Topologies Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 110: ...ts to the hub at the other end of the link hub B in the illustration the Remote Hub and looks for response packets from that hub If the response packets fail to come back the primary link is considered as having failed and the backup link which had not been carrying any traffic is enabled automatically If the primary link does fail it is automatically disabled until it can be repaired and re enabl...

Page 111: ... be increased by one second for each additional backup link beyond two links Add one to this count if the remote hub is also functioning as a primary monitoring hub in a different link Additional Notes Any port on the hub can be used for either the primary link or the backup link Any combination of media types can be used For example a thin coax link from the ThinLAN port can act as a backup link ...

Page 112: ...ou can also use the equivalent ASCII console BAckup command Follow this Configuration Installation Sequence If a hub is installed in a network that includes two connections to another hub and the backup link has not yet been configured a loop in the network exists causing some network performance degradation For this reason it is better to configure the backup link on the hub before the hub is ins...

Page 113: ...ive role 6 On the remote hub make sure that the ports connected to both the primary and backup links are enabled On the monitoring hub the status of the primary and backup ports is controlled by the hub s firmware you do not need to explicitly enable the monitoring hub s ports Identifying the Backup Link The ports designated as the primary and backup ports are identified in the HP Stack Manager s ...

Page 114: ... backup port LED goes on On the HP Stack Manager s front panel display for the hub the status of the primary port changes from ON to OFF and the backup port changes from OFF to ON On HP Interconnect Manager you can automatically monitor the status of the backup link from the network management station See your HP Interconnect Manager documentation for more information On the ASCII terminal STatus ...

Page 115: ...restore the primary port s active status Press the Reset button on the front of the hub or cycle power on the hub These processes will reset the hub and restore the primary port s active status These techniques are useful if you do not have access to HP Stack Manager for example because the hub is in a wiring closet and a console is not connected From an HP network management station re enable the...

Page 116: ...Example 1 Hub to Hub In this example topology the primary and backup links consist of twisted pair cable segments between two HP AdvanceStack hubs Wiring Closet 1 Wiring Closet 2 To another network Backup Link Primary Link Backup Links Backup Links D 8 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 117: ...pe of transceivers used the backup link could use thin coax fiber optic cable or even twisted pair cable Note that any of the network ports on these hubs can function as a backup to any other port Wiring Closet 1 Wiring Closet 2 Backup Link twisted pair thin coax or fiber optic Primary Link twisted pair cable To another network Backup Links Backup Links D 9 Artisan Technology Group Quality Instrum...

Page 118: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 119: ...Safety and Regulatory Statements Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 120: ...er 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 transient voltages such as lightning or disturbances in t...

Page 121: ...orsque 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 soient convenablement interconnectées Les câbles de réseaux locaux p...

Page 122: ...elsatz 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 fest untereinander verbunden sind LAN Kabel können gelege...

Page 123: ...niqualvolta 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 sicurezza siano ben collegati fra loro i cavi LAN possono occasionalme...

Page 124: ...n 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 de que las puestas a tierra estén conectadas entre sí de modo ...

Page 125: ...Safety Information Safety and Regulatory Statements Safety Information 7 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 126: ...e in which case the user at his own expense will be required to take whatever measures may be required to correct the interference If this equipment causes interference to radio reception which can be determined by unplug ging 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...

Page 127: ...uide 22 and EN 45014 The declaration identi fies the product the manufacturer s name and address and the applicable specifications that are recognized in the European community Safety and Regulatory Statements Declaration of Conformity 9 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 128: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 129: ...Index Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 130: ...e also interface cable management 1 19 specialized cable tie 1 19 cable tie using 1 19 cables distributed management chain A 3 HP cables for console connection A 3 hub to hub cascading A 6 modem cable pin out A 10 network connections A 3 RS 232 cable supplied with hub A 10 RS 232 console port A 3 twisted pair connector pin outs A 4 cables and connectors A 2 cabling problems 4 7 cascading hub to hu...

Page 131: ...xamples backup link topologies D 8 BOOTP table entry C 6 IP addressing scheme C 5 Exp Slot LED 3 3 Expansion Slot 3 5 F factory reset option in HP Stack Manager 2 12 Fault LED 3 3 fax using to get HP product information 4 15 firmware enhancements 3 19 frame relay 3 15 front of the hub description 3 2 illustration 1 iii port LEDs 3 4 reset button 3 4 status LEDs 3 3 ftp obtaining files from HP 4 13...

Page 132: ...3 6 setting in HP Stack Manager 2 11 interface See also cable RS 232 V 24 V 28 3 15 RS 422 RS 449 V 36 3 15 V 35 3 15 X 21 3 15 Internet obtaining latest drivers from 4 13 obtaining software from 4 12 Internet protocol 3 15 IP address C 4 globally administered addresses C 4 locally administered addresses C 4 IP configuration errors in 4 8 from HP Stack Manager 2 10 IPX address C 3 IPX test 4 10 L ...

Page 133: ... A 3 chain connection 1 24 connecting to the hub 1 20 description 3 9 direct serial connection 1 21 modem connection 1 22 RS 232 port pin out A 9 out of band management RS 232 port 1 iv P partition See auto segmentation parts list 1 2 password protection 3 12 clearing the password 4 11 setting in HP Stack Manager 2 10 physical specifications of hubs B 2 Ping test 4 10 point to point See WAN port L...

Page 134: ...omm declarations B 3 electrical B 2 electromagnetic B 3 environmental B 2 MIB support B 3 physical B 2 SQE test disable on external transceivers 1 18 Stack Manager See HP Stack Manager Station address use in IPX address C 3 status LEDs description 3 3 summary installation steps 1 2 T technical support types of 4 12 testing ports and links 4 9 testing twisted pair cabling 4 10 ThinLAN cable require...

Page 135: ...n telco connectors 1 15 50 pin RJ 45 adapter 1 14 connection procedures 1 14 RJ 45 connectors 1 15 U unusual network activity 4 8 V verifying hub operation 1 4 W wall mounting the hub 1 10 warranty summary statement B 3 World Wide Web obtaining software from 4 12 WWW obtaining software from 4 12 X X 25 3 15 XNS IPX 3 15 Index Index Index 7 Artisan Technology Group Quality Instrumentation Guarantee...

Page 136: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 137: ... Copyright 1995 Hewlett Packard Company Printed in Singapore 10 95 Manual Part Number 5964 4601 5964 4601 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 138: ...quipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentation Artisan Scientific Corporation dba Artisan Technology Group is not an affiliate representative or authorized distributor for any manufacturer listed herein We re here to make your life easier How...

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