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Cabletron Systems 100 manual Power-up Diagnostics Results, Responses to Failures AT POWER-UP

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ELS100-16TX Diagnostics and Troubleshooting

5.1.4 Power-up Diagnostics Results

After completion of the power-up diagnostic sequence, both the Power (Pwr) and CPU LEDs located on the front panel of the ELS100-16TX should be on.

5.2 RESPONSES TO FAILURES AT POWER-UP

How the ELS100-16TX responds to failures detected during power- up depends on the seriousness of the failure. For example, it will operate if a non-critical component, such as the out-of-band management port, fails diagnostics. However, in the event of a critical failure, such as a failure of the main element processor, the ELS100-16TX will halt execution and will not boot to operational mode.

5.3 STATUS AND ACTIVITY INDICATORS

The front panel of the ELS100-16TX includes LEDs that indicate the status or activity of various system components. Figure 5-1 shows the ELS100-16TX front panel LEDs and buttons. The LEDs and buttons are described in Tables 5-1 and 5-2.

5-3

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Cabletron Systems 100 Power-up Diagnostics Results, Responses to Failures AT POWER-UP, Status and Activity Indicators

Contents

User Guide Page FCC Notice DOC Notice Cabletron Software Program License Declaration of Conformity Contents Monitoring and Managing Your ELS100-16TX ELS100-16TX Diagnostics TroubleshootingAppendix B Glossary Appendix a Technical SpecificationsContents Viii Chapter Introduction About this Manual Your email address Getting HelpDocument Conventions Related Documentation ELS100-16TX Front Panel OverviewSmartSTACK 100 ELS100-16TX Architecture Introduction Autonegotiation Port TrunkingDiscarding Local Trafﬁc Store and Forward SwitchingSpanning Tree Algorithm Typical Switching ApplicationSmartSTACK 100 ELS100-16TX Bridge Address Table SmartSTACK 100 ELS100-16TX Sample Applications SmartSTACK 100 ELS100-16TX Port MirroringSmartSTACK 100 ELS100-16TX Trunking SmartSTACK 100 ELS100-16TX Trunking with 100 Mbps Ports Virtual WorkgroupsRepeater Traffic Workgroup a Workgroup B Local Console Manager Command Syntax Conventions Help Basic LCM CommandsELS100-16TX Local Console Manager Exit or Logout EraseTraplog Introduction ELS100-16TX Front Panel Chapter Unpacking and Installing Your ELS100-16TXPort LEDs 100BASE-T Epim Ports Reset Switch Status LEDs ACT Describes the ELS100-16TX buttons Installing AN EpimInstalling an Epim Rack-Mounting an ELS100-16TX Installing the ELS100-16TXAttaching Rackmount Brackets Connecting the Local Console Manager Checking the POWER-UP Diagnostics SequenceConnecting to the Network ELS100-16TX Twisted Pair Connection Connecting UTP CablesCable Pinouts RJ45 Crossover Cable Connecting a Segment to the EPIM-100FXFiber Optic Network Connection EPIM-100FX Port Unpacking and Installing Your ELS100-16TX Spectrum Spel Spma Chapter Configuring Your ELS100-16TXAssigning IP Addresses Type ipaddr PORT-NUMBER IP Address Deleting an IP Address Displaying IP AddressesChanging a Subnet Mask To change the subnet mask, at the LCM prompt Enabling BridgingDisplaying Bridging Functions Disabling BridgingEnabling Trunking 100BASE-T Crossover Cables Trunk GroupsTrunk Groups Disabling Trunking Display could look like the following Displaying Trunking StatusEnabled, Rip listening Disabling Mirroring Enabling Port MirroringDisplaying Mirroring Status To check the status for ports conﬁgured for mirroring Deﬁning Virtual Workgroups Defining and Deleting WorkgroupsLCM responds with the following display Assigning a Community Name Configuring BROADCAST/MULTICAST Storm Protection System Contact Modifying MIB VariablesSystem Location System NameCommunity Names Aging Parameter Set Community NameELS100-16TX Management Tools Chapter Monitoring and Managing Your ELS100-16TXELS100-16TX Statistics System Statistics Gathering StatisticsEthernet Port Statistics Displaying Status Using LCM to Check ELS100-16TX StatusEnabled, Rip listening Displaying MAC Addresses To display all MAC addresses, at the LCM prompt LCM would display Displaying Manufacturing InformationManaging the ELS100-16TX Using LCM to Manage the ELS100-16TXEnabling a Port Disabling a PortChanging a Subnet Mask NoRIP OptionChanging a Community Name Setting the Baud Rate Setting a Reboot Time POWER-UP Diagnostics Chapter ELS100-16TX Diagnostics and TroubleshootingPower-up LED Sequence Software Checksum Comparison Speciﬁc Power-up TestsResponses to Failures AT POWER-UP Power-up Diagnostics ResultsStatus and Activity Indicators ELS100-16TX Front Panel LEDs ACT ELS100-16TX does not Power UP Troubleshooting2 ELS100-16TX Has Rebooted Connectivity Problems3 ELS100-16TX Does Not Respond to NMS ELS100-16TX Diagnostics and Troubleshooting Physical Connector PortsElectrical EnvironmentalStandard Support Diagnostic LEDsManagement Support Address Table SizeRegulatory Compliance Serial Cable PIN Assignments100BASE-T PIN Assignments ConnectorsCrossover Wiring STRAIGHT-THROUGH Wiring5 4 3 Rule EPIM-100FX SpecificationsCable Type Worst Case Budget Typical Budget Technical Speciﬁcations Address AlarmAddress table AgentBandwidth BackboneBpdu bridge protocol data unit Bps bits per secondData link layer CongestionDatagram Data rate or speedEncapsulation Full wire speedEncode EntityIcmp Internet control message protocol Intelligent bridge/switchIeee InitializationInteroperability InternetworkingIP Internet protocol ISO International Standards OrganizationMask MAC media access controlMbps megabits per second MIB management information basePropagation delay Power budgetOSI Open Systems Interconnection PacketService Rarp reverse address resolution protocolProtocol Protocol suiteSymbol SwitchSynchronous transmission Translating bridgeWAN wide area network UpstreamGlossary