Cabletron Systems 100 manual Act

Page 87

ELS100-16TX Diagnostics and Troubleshooting

Table 5-1. Meaning of ELS100-16TX LEDs

LED	State	Meaning

Port Status Mode
TX	On	Indicates port is transmitting a packet.
RX	On	Indicates port is receiving a packet.
ACT	On	Indicates port is transmitting or
COL	On	receiving.
COL	On	Indicates a collision on a port.
FDX	On	Port is operating in Full Duplex.
100	Off	Port is operating in Half Duplex.
100	On	Port operating at 100 Mbps.
MON	Off	Port operating at 10 Mbps.
MON	On	Indicates the monitor port.
USR	Blink	Indicates the port(s) being monitored.
USR	On	Indicates that errored packets were
		received.

Link (Individual	On	Indicates the link is good.
Ports)	Off	Indicates there is no link.

Status (Individual	On/	Indicates you are monitoring the port for
Ports)	Blink	a selected segment status condition. This
		LED always indicates the selected status
		mode.

CPU	On	Indicates the ELS100-16TX is operational.
		Blinking – Indicates the ELS100-16TX is
		running power-up diagnostics.
	Off	Indicates the ELS100-16TX is non-
		operational.

Pwr	On	On – Indicates the ELS100-16TX is
		receiving power and the voltage is within
		the acceptable range.
	Off	Indicates the ELS100-16TX is not
		receiving power.

5-5

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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 Erase Exit or LogoutTraplog 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 Displaying IP Addresses Deleting an IP AddressChanging 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 Name System LocationCommunity Names Aging Parameter Set Community NameChapter Monitoring and Managing Your ELS100-16TX ELS100-16TX Management ToolsELS100-16TX 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 PortNoRIP Option Changing a Community Name Setting the Baud Rate Setting a Reboot Time Chapter ELS100-16TX Diagnostics and Troubleshooting POWER-UP DiagnosticsPower-up LED Sequence Software Checksum Comparison Speciﬁc Power-up TestsPower-up Diagnostics Results Responses to Failures AT POWER-UPStatus and Activity Indicators ELS100-16TX Front Panel LEDs ACT ELS100-16TX does not Power UP Connectivity Problems 2 ELS100-16TX Has Rebooted3 ELS100-16TX Does Not Respond to NMS ELS100-16TX Diagnostics and Troubleshooting Environmental Connector PortsPhysical ElectricalStandard Support Diagnostic LEDsSerial Cable PIN Assignments Address Table SizeManagement Support Regulatory Compliance100BASE-T PIN Assignments ConnectorsCrossover Wiring STRAIGHT-THROUGH Wiring5 4 3 Rule EPIM-100FX SpecificationsCable Type Worst Case Budget Typical Budget Technical Speciﬁcations Agent AlarmAddress Address tableBps bits per second BackboneBandwidth Bpdu bridge protocol data unitData rate or speed CongestionData link layer DatagramEntity Full wire speedEncapsulation EncodeInitialization Intelligent bridge/switchIcmp Internet control message protocol IeeeISO International Standards Organization InternetworkingInteroperability IP Internet protocolMIB management information base MAC media access controlMask Mbps megabits per secondPacket Power budgetPropagation delay OSI Open Systems InterconnectionProtocol suite Rarp reverse address resolution protocolService ProtocolTranslating bridge SwitchSymbol Synchronous transmissionWAN wide area network UpstreamGlossary