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DEC PORTswitch 900FP, Installation And Configuration Manual

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DEC PORTswitch 900FP Installation And Configuration Manual Download Page 91

Redundant-Link Configuration   A–1

Appendix

 A

Redundant-Link Configuration

Overview

Introduction

This appendix describes the configuration and implementation of the
redundant-link pair (RLP) of links.

Redundant-link configuration refers to two links that are configured on a
single LAN to provide greater fault tolerance than a single port-to-port
configuration provides.

_________________________CAUTION ________________________

You must configure the links using HUBwatch before connecting
the cables. Failure to do so can seriously impair performance on
that segment of the LAN.

_______________________________________________________________

Summary of Contents for PORTswitch 900FP

Page 1: ...900FP Installation and Configuration Order Number EK DEFMM IN C01 August 1995 This manual describes how to install and configure the PORTswitch 900FP module Revision Update Information This is a revi...

Page 2: ...are designed to provide reasonable protection against such radio frequency interference when operated in a commercial environment Operation of this equipment in a residential area may cause interfere...

Page 3: ...dule Overview 2 1 Installing the Module 2 2 Before Connecting the Cables 2 5 Configuring the Ports 2 6 3 Configuring the Module Overview 3 1 Setup Port Description 3 2 Accessing the Setup Port 3 5 DEC...

Page 4: ...m Solving Using the LEDs 5 6 A Redundant Link Configuration Overview A 1 Major Components A 2 Redundant Link Components A 3 Redundant Link Operation A 5 Configurations A 6 Fault Detection A 8 B Fiber...

Page 5: ...ts Overview D 1 Alarms and Events Description D 2 Configured Alarms and Events D 3 E Product Specifications Overview E 1 Operating Environment Specifications E 2 Connector and Physical Specifications...

Page 6: ...1 Setup Port Cabling 3 4 Figure 4 1 Disconnect the Cables 4 2 Figure 4 2 Remove the Module 4 3 Figure A 1 Simple Redundant Link Configuration Example A 6 Figure A 2 Complex Redundant Link Configurati...

Page 7: ...tes 5 2 Table 5 2 Port LEDs 5 3 Table 5 3 Problem Solving Using the LEDs 5 6 Table A 5 Comparison of Partial Fault Detection to Full Fault Detection A 11 Table B 1 10BaseFL Worst Case Loss Budget 0 C...

Page 8: ...viii Table E 1 PORTswitch 900FP Operating Specifications E 2 Table E 2 Connectors E 3 Table E 3 PORTswitch 900FP Physical Specifications E 4 Table E 4 Acoustical Specifications E 5...

Page 9: ...s Manual Manual Contents This manual describes how to install and configure the PORTswitch 900FP Intended Audience This manual is intended for use by personnel who will install and set parameters for...

Page 10: ...ovides instructions for removing the module Chapter 5 Describes the module LED states and provides troubleshooting information Appendix A Describes the configuration of the redundant link pair RLP of...

Page 11: ...rds for Carrier Sense Multiple Access with Collision Detection CSMA CD local area networks LANs 00 00 00 00 This format represents an Internet Protocol IP address in examples and figures 08 00 2B A3 0...

Page 12: ...2 IN Provides installation and operation guidelines for standalone module configuration including mounting options and cabling HUBwatch Installation and Configuration AA Q3S8D TE Provides information...

Page 13: ...ORDERS U S and Puerto Rico DIGITAL EQUIPMENT CORPORATION P O Box CS2008 Nashua New Hampshire 03061 DIRECT MAIL ORDERS Canada DIGITAL EQUIPMENT OF CANADA LTD 940 Belfast Road Ottawa Ontario Canada K1G...

Page 14: ...ital com Firmware updates are customer installable To register for automatic notification of new firmware releases return the Business Reply Card supplied with this product or send your name title and...

Page 15: ...CHT Enth lt Informationen die beachtet werden m ssen um den Benutzer vor Schaden zu bewahren ACHTUNG Enth lt Informationen die beachtet werden m ssen um die Ger te vor Schaden zu bewahren DANGER Signa...

Page 16: ...le est connect en permanence une source lumineuse AVISO Ciertos equipos de fibras pticas pueden emitir luz las rica o infrarroja con riesgos de lesiones en los ojos No se debe nunca mirar en una fibra...

Page 17: ...rungen zu treffen da w hrend der Durchf hrung dieser Phase 3 die Systemeinheit weder ausgeschaltet noch die Stromversorgung unterbrochen werden kann ATTENTION L image du microprogramme risque d tre co...

Page 18: ...Kabel anschlie en Andernfalls ist die volle Leistungsf higkrit dieses LAN Segments nicht gew hrleistet ATTENTION Vous devez configurer les liens l aide HUBwatch avant de connecter les c bles En cas d...

Page 19: ...pter describes the features and components of the PORTswitch 900FP The PORTswitch 900FP also referred to in this manual as the module is a 12 port 10BaseFL fiber optic Ethernet repeater In This Chapte...

Page 20: ...lity When the module is installed into a DEChub 900 or into a DEChub ONE the module s hot swap capability allows you to install or remove the module without turning off power Front Panel The front pan...

Page 21: ...over Serial Line Internet Protocol SLIP through the OBM connector on the DEChub 900 or the DEChub ONE docking station Built in SNMP agent supports the following management information bases MIBs Repea...

Page 22: ...level of the backplane ThinWire port on the DEChub 900 or the AUI port on the DEChub One 5 Port State LEDs The LEDs labeled 1 through 12 show the attachment status of the associated port to a LAN 6 P...

Page 23: ...Module Components PORTswitch 900FP Description 1 5 Front Panel Figure 1 1 PORTswitch 900FP Front Panel...

Page 24: ...unding bolt Provides a chassis grounding connection between the module and a DEChub 900 or DEChub ONE docking station 4 Manufacturing label Lists the module part number serial number revision level an...

Page 25: ...Module Components PORTswitch 900FP Description 1 7 Figure 1 2 PORTswitch 900 FP Back Panel...

Page 26: ......

Page 27: ...switch 900FP hot swap feature allows you to install the module into the DEChub 900 or DEChub ONE docking station without turning off power Seating the module initiates the powerup sequence if enough p...

Page 28: ...er requirements exceed the values shown in the status display add another power supply see the DEChub 900 MultiSwitch Owner s Manual _____________________________Note ________________________ The 12V...

Page 29: ...ion 1 Place the module s mounting tab into a mounting slot 1 on the DEChub 900 2 Pull up on the release lever 2 to its unlocked position 3 Pivot the module on the mounting tab and align the connectors...

Page 30: ...then the module performs a self test 2 After the module completes the self test the Module OK LED lights within 1 minute and remains lit 3 The Hub Manager status display shows PORTswitch 900FP up Figu...

Page 31: ...acteristics All of the cables should be installed tested and tagged at the site prior to this installation See your network manager if you are not sure which cables to connect ________________________...

Page 32: ...fiber optic cables determine whether you are configuring the ports as redundant link pairs2 or separate independent ports default configuration If you are configuring the ports as Then go to this sect...

Page 33: ...o connect redundant link pairs Step Action 1 Identify the ports that you have assigned as the primary and secondary master port pairs and the ports that are assigned as responders or non responder por...

Page 34: ...ary and secondary master port pair2 2 Primary link 3 Secondary link 4 Responder or non responder port3 Figure 2 3 Redundant Link Pairs 2 Primary and secondary master port pair must be on the same modu...

Page 35: ...that you are connecting 2 Align the tab and slot 1 of the transmit cable plug with the slot and tab 2 of the transmit port connector 3 Insert the plug then push the plug sleeve 3 in and turn it to the...

Page 36: ......

Page 37: ...s the configuration options that you can use In This Chapter This chapter includes the following topics Topic See Page Setup Port Description 3 3 Accessing the Setup Port 3 6 DEChub 900 MultiSwitch In...

Page 38: ...rs The setup screen displays illustrate in this manual can vary slightly from the actual screen displays on your setup port device Signaling Standards The signals from the DEChub 900 Hub Manager setup...

Page 39: ...rsonal computer using the following cables and adapters If the setup port device is Then use this cable With this adapter A PC with a 9 pin D Sub communications port BN24H xx4 H8571 J A terminal with...

Page 40: ...Setup Port Description 3 4 Configuring the Module Figure 3 1 Setup Port Cabling Item Description 1 OBM port 2 Setup port 3 Setup port device...

Page 41: ...connector on either the DEChub 900 or the DEChub ONE 3 Press Return on the setup port device a few times until a menu appears 4 Go to the installation menu If the module is connected to the setup por...

Page 42: ...ws the DEChub 900 MultiSwitch INSTALLATION MENU DEChub 900 MultiSwitch DEChub 900 MultiSwitch INSTALLATION MENU 1 Reset with Factory Defaults 2 Reset with Current Settings 3 Show Current Settings 4 Co...

Page 43: ...accessing the specified network module s installation menu After you choose the Start Redirect Mode option from the DEChub 900 MultiSwitch INSTALLATION MENU the screen prompts you for a slot number as...

Page 44: ...reen slot 3 refers to the DEChub 900 slot number where the module is installed Example of Menu The following example shows the PORTswitch 900FP INSTALLATION MENU operating in a DEChub 900 configuratio...

Page 45: ...MENU when the module is installed standalone into the DEChub ONE Example of Menu The following example shows the PORTswitch 900FP INSTALLATION MENU operating in a DEChub ONE configuration PORTswitch 9...

Page 46: ...atile random access memory NVRAM parameters to be initialized to factory default values ________________________ CAUTION ________________________ This action deletes all configured settings and replac...

Page 47: ...interface default gateway address Deleted Out of band interface IP address Deleted Out of band interface port speed Reset to 9600 Serial number No effect5 Reset count No effect 5 Error log data No eff...

Page 48: ...this option user response is shown in boldface type Enter selection 1 PORTswitch 900FP slot 3 RESET WITH FACTORY DEFAULTS IMPORTANT IMPORTANT IMPORTANT This selection will delete the current configura...

Page 49: ...____________ Allow approximately 1 minute for the module to reset and complete self test _______________________________________________________________ Example of Dialog The following example shows t...

Page 50: ...et Rptr SNMP HW v2 RO v00 03 SW v2 0 SysUpTime 01 39 11 14 resets SNMP Read Write Community public SNMP Trap Addresses Not Configured Status of Last Downline Upgrade No Status 00 00 44 28 resets In Ba...

Page 51: ...enu The following example displays the options available when the module is installed into a DEChub 900 Enter selection 4 PORTswitch 900FP slot 3 IP CONFIGURATION 1 Set SNMP Read Write Community 2 Add...

Page 52: ...ote that option 7 is available only when the module is in the standalone configuration Enter selection 4 PORTswitch 900FP IP CONFIGURATION 1 Set SNMP Read Write Community 2 Add SNMP Trap Addresses 3 D...

Page 53: ...th this option Enter selection 1 PORTswitch 900FP slot 3 SET SNMP READ WRITE COMMUNITY Format The format for a community name is a string consisting of four to thirty one printable ASCII characters th...

Page 54: ...the screen displays the SNMP trap address The factory default of this menu option deletes all SNMP trap addresses Example of Dialog The following example shows the dialog associated with this option E...

Page 55: ...ows the dialog associated with this option Enter selection 3 PORTswitch 900FP slot 3 DELETE SNMP TRAP ADDRESSES Format The standard 4 octet dotted decimal notation in which each octet of the address i...

Page 56: ...the dialog associated with this option Enter selection 4 PORTswitch 900FP slot 3 IN BAND INTERFACE IP ADDRESS CONFIGURATION Format The standard 4 octet dotted decimal notation in which each octet of t...

Page 57: ...sk _____________________________ Note ________________________ This selection is operational only when the module is in standalone mode when it is installed into a DEChub ONE _________________________...

Page 58: ...Format The standard 4 octet dotted decimal notation in which each octet of the address is represented as a decimal value separated by a character example 16 20 40 156 To delete the address enter 0 in...

Page 59: ...able out of band management you must also select an out of band management OBM port speed from PORTswitch 900FP INSTALLATION MENU Option 7 Configure Out of Band Port Submenu option 1 Set Port Speed __...

Page 60: ...to enable or disable Bootstrap Protocol BootP requests from the module _____________________________Note ________________________ This selection appears as submenu option 5 when the module is installe...

Page 61: ...y be used to obtain the module s IP address subnet mask and default gateway When BOOTP in Enabled and the module is not configured with an IP address the module will send out BOOTP requests until it r...

Page 62: ...ump is displayed first When the firmware has been upgraded to a new version the version number is entered into the error log Example of Display The following example shows the display associated with...

Page 63: ..._______ If power is interrupted during Stage 3 of the DLU process the firmware image can become corrupted Do not turn off power to the unit or perform any action that can cause the unit to lose power...

Page 64: ...akes 1 minute to complete However due to variations in network configurations load path and traffic levels this stage can take 10 minutes or more The following states indicate that this stage is in pr...

Page 65: ...is complete This stage normally takes 10 seconds to complete The following states indicate that this stage is in progress Module status functional but not manageable Module can not respond to manageme...

Page 66: ...unit or perform any action that can cause the unit to lose power during Stage 3 of the DLU process This stage normally takes less than 1 minute to complete The following states indicate that this sta...

Page 67: ...ate that this stage is in progress Module status not functional during reset and self test Module cannot respond to management requests The power LED remains on The module OK LED and the 5 port state...

Page 68: ...g this option be sure that the module that you are upgrading has been configured with an IP address If the module is not configured with an IP address select the Set In Band Interface IP Address optio...

Page 69: ...terrupted during the downline load the firmware image can be corrupted Do not turn off power to the unit or perform any action that can cause the unit to lose power during a downline upgrade Press Ret...

Page 70: ...irmware image filename and press Return the screen prompts you to enter the IP address of the TFTP server load host Enter the Load Host IP Address 16 20 54 156 Return Example of Dialog After you enter...

Page 71: ..._________________________________________________________ After you initiate the DLU process the screen displays the following message DLU process started Due to variations in network configurations l...

Page 72: ...The following section DEChub 900 Hub Manager Indications DEChub 900 Hub Manager Indications Because the module is nonfunctional during the flash load process communications between the module and the...

Page 73: ...rocess and begins the execution of the new firmware image The Module OK LED turns on and the module becomes fully operational If the module is installed into a DEChub ONE the setup port device display...

Page 74: ...__________ This option is operational only when the module is in standalone mode when it is installed into a DEChub ONE _______________________________________________________________ Example of Dialo...

Page 75: ..._____________________________________________________ The OBM port speed that you select must match the speed of your OBM device The port speed must be the same at each end of the communications link...

Page 76: ...______Note ________________________ This option is operational only when the module is in standalone mode when it is installed into a DEChub ONE _______________________________________________________...

Page 77: ...nable Disable Request To Send RTS allows additional control to modem communications When the RTS option is Disabled the RTS signal on the OBM port is asserted after self test is completed and left ass...

Page 78: ......

Page 79: ...erview Introduction This chapter describes the tasks necessary to disconnect the cables and remove the module In This Chapter This chapter includes the following topic Topic See Page How to Disconnect...

Page 80: ...r optic equipment can emit laser or infrared light that can injure your eyes Never look into an optical fiber or connector port Always assume the cable is connected to a light source _________________...

Page 81: ...sk 2 Remove the module from the DEChub 900 Figure 4 2 Remove the Module Step Action 1 Lift the release lever 1 located on the top of the DEChub 900 slot 2 Pivot the module back 2 on its bottom mountin...

Page 82: ......

Page 83: ...ng Overview Introduction This chapter describes the module LED states and provides troubleshooting information The module LEDs provide dynamic indications of module status Topic See Page LED Descripti...

Page 84: ...ower connection or insufficient power Module OK After 1 minute self test failed Module passed self test Fan failure Network OK Module is not connected to a properly terminated and operational LAN thro...

Page 85: ...combination of two Port LEDs Port State Port Link Table 5 2 Port LEDs Port State Port Link Condition Off Off Associated Port connection is faulty There is no link On Off Associated port is properly c...

Page 86: ...k LED flashes more rapidly as network traffic increases Flashing Off Associated port is disabled by network management or if operating as a redundant pair the associated port is operating as a standby...

Page 87: ...d remains lit All other LEDs light for a few seconds and then turn off This event verifies that the individual LEDs are operational defective LEDs do not light 2 The module initiates its built in self...

Page 88: ...alling the module into a DEChub 900 check the power status on the Hub Manager status display If enough power is available lift the release lever and reseat the module If installing the module into a D...

Page 89: ...dule into another slot Replace the DEChub 900 power supply or the DEChub ONE Module OK LED is off Module does not have sufficient power Self test is in progress Self test failed Ensure Power LED is on...

Page 90: ...nother operational network device Properly connect the associated port to network or station Reseat the cable If problem persists replace the cable Associated port is auto partitioned N A Port State L...

Page 91: ...ation refers to two links that are configured on a single LAN to provide greater fault tolerance than a single port to port configuration provides _________________________CAUTION ____________________...

Page 92: ...e module and two remote ports on one module or on separate modules These ports must reside on the same LAN or extended LAN _____________________________Note ________________________ This configuration...

Page 93: ...he master port pair is the primary link the other is the secondary link Responder Ports A responder port referred to as a responder is a manageable port that can detect a failure on its receive link a...

Page 94: ...r Monitors and reports the states of both links and stores the status information in a MIB Counts the number of link state transitions and stores the information in a MIB Primary Link The primary link...

Page 95: ...primary link status for failures When it detects a failure of the primary link it does the following 1 Disables the primary link 2 Enables the secondary link This action typically occurs within 3 to...

Page 96: ...ts that reside on one module and a pair of responder or nonresponder ports on a remote module See Figure A 1 Figure A 1 Simple Redundant Link Configuration Example Item Description 1 Master port pair...

Page 97: ...esponder ports nonresponder ports or a combination of the two The responder or nonresponder ports reside on separate modules as shown in Figure A 2 Figure A 2 Complex Redundant Link Configuration Exam...

Page 98: ...for partial fault tolerance the MCA disables the primary port and enables the secondary port under the following circumstances A link failure of the master s primary receive port Partitioning of the p...

Page 99: ...tem Description 1 Master port pair 2 Primary link initially active 3 The master can detect a link failure here 4 Secondary link initially standby and disabled 5 The master cannot detect a link failure...

Page 100: ...ve or transmit link See Figure A 4 If the responder s receive port detects a link failure the responder signals the MCA This allows the MCA to disable the active port and enable the inactive port Figu...

Page 101: ...ailure Recommendations for Redundant Link Configuration Consider the following recommendations when configuring the PORTswitch 900FP as redundant links Use responder ports rather than nonresponder por...

Page 102: ......

Page 103: ...r optic loss budget for the PORTswitch 900FP Note the labeling on the fiber optic cable that is being installed with the PORTswitch 900FP Cables are tagged according to fiber type Some examples of mic...

Page 104: ...ch 900FP with the cable plant These measurements account for the connectors at either end of the segment They are calculated using the transmit and receive optical power levels in decibels of optical...

Page 105: ...eive sensitivity PR avg dBm 32 5 32 5 32 5 32 5 10BaseFL loss budget PT avg PR avg dB 9 7 13 5 15 7 19 0 _____________________________ Note ________________________ To ensure accurate measurements do...

Page 106: ...peak power levels The standard specifies a 27 0 dBm minimum peak receive power PR avg 30 0 dBm This power level represents a 2 5 dB lower receive sensitivity The worst case loss budget for FOIRL compl...

Page 107: ...FOIRL loss budget dB 7 2 11 0 13 2 16 5 The IEEE 802 3 standard specifies a maximum receive power level of 9 0 dBm peak or 12 0 dBm average for FOIRL and 10BaseFL devices respectively When calculatin...

Page 108: ...the maximum launch power amounts as shown in Table B 3 Maximum Launch Power Table B 3 PORTswitch 900FP Best Case Maximum Launch Power Measurement Unit of Measure Multimode Graded Index Fiber Size Mic...

Page 109: ...peak 12 dBm average received power level To make that determination complete the following steps Step Action 1 Subtract the cable s characterized attenuation value from the value listed in Table B 3...

Page 110: ......

Page 111: ...Connector Pin Assignments C 1 Appendix C Connector Pin Assignments Overview Introduction This appendix shows detailed illustrations of the connectors cables and adapters used on the PORTswitch 900FP...

Page 112: ...tor Pin Assignments Adapters H8571 J Adapter The following illustration shows the H8571 J adapter 6 pin MMJ to 9 pin D Sub connector and its pin assignments Figure C 1 H8571 J Adapter 6 pin MMJ to 9 p...

Page 113: ...6 pin MMJ connector to 25 pin D Sub connector and its pin assignments Figure C 2 H8575 A adapter 6 pin MMJ to 25 pin D Sub connector _____________________________ Note ________________________ EOS ESD...

Page 114: ......

Page 115: ...0FP remote monitor RMON alarms and events feature RMON alarms and events implement a subset of the RMON management information base MIB groups based on the IETF draft standard MIB specified by RFC1757...

Page 116: ...rom the PORTswitch 900FP and compares them to preconfigured and configurable thresholds An alarm table stores configuration values of MIB objects for the polling frequency thresholds alarm types and t...

Page 117: ...or more ports has been autopartitioned or a port that was previously autopartitioned is now operational NVRAM full There is no more memory for nonvolatile parameters Health text changes The module s o...

Page 118: ...Events D 4 Remote Monitor Alarms and Events User defined Alarms and Events In addition to the nine default alarms and events you can also configure RMON alarms and events on any integer like object su...

Page 119: ...Product Specifications E 1 Appendix E Product Specifications Overview Introduction This appendix lists PORTswitch 900FP operating environment connector physical and acoustical specifications...

Page 120: ...e9 5 C to 50 C 41 F to 122 F Relative Humidity 10 to 95 noncondensing Altitude Sea level to 4900 m 16 000 ft 8 Power 47 5 W total power 8 0 A 5Vdc 0 1 A 12Vdc10 0 5 A 15Vdc 9 For sites above 4900 m 16...

Page 121: ...ns E 3 Connector and Physical Specifications Table E 2 lists the PORTswitch 900FP connectors Table E 2 Connectors Connectors Fiber optic ST type DEChub ONE MX has one 8 pin MJ one 6 pin MJ OBR one DB...

Page 122: ...900FP Physical Specifications Parameter Specification Physical Height 44 45 cm 17 5 in Width 4 45 cm 1 75 in Depth 15 25 cm 6 in 25 40 cm 10 0 in with a DEChub ONE docking station 30 24 cm 11 9 in wit...

Page 123: ...4 Acoustical Specifications Acoustics Declared values per ISO 9296 and ISO 777911 Product Sound Power Level LWAd B Sound Pressure Level LpAm dBA bystander positions DEFMM DEFMM DEHUA DEFMM DEF1H Idle...

Page 124: ...ISO 7779 DIN EN2777912 Produkt Schalleistungspegel LWAd B Schalldruckpegel LpAm dBA Zuschauerpositionen DEFMM DEFMM DEHUA DEFMM DEF1H Leerlauf Betrieb 5 1 5 4 5 4 Leerlauf Betrieb 37 40 40 12 Aktuelle...

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