Cabletron Systems STHI manual Frames Received, KBytes Received, Errors Received, Beacon States

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The Device Statistics Screen

5.8.3General Counter Fields (Group 1)

Frames Received

1

This displays the number of frames received by the STHI.

KBytes Received

2

This displays the amount of data (in kilobytes) received by the STHI.

Errors Received

3

This displays the number of Isolating and Non-Isolating Errors (described below) detected on the ring.

Beacon States

4

This displays the number of beacon conditions detected on the ring. Stations transmit beacons when they detect bit streaming or signal loss on the ring.

Ring Purges

5

This displays the number of ring purge frames transmitted by the active monitor.

Active Monitor Changes

6

This displays the number of times the role of active monitor has been transferred between stations.

5.8.4Ring Information Fields (Group 2)

Ring Information provides ring status information.

Active Monitor Addr

1

This displays the MAC address of the current active monitor. The active monitor is the station designated (automatically by Token Ring protocol) to initiate recovery procedures in response to various error conditions.

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Contents Sthi Intelligent Token Ring Stackable HUB USER’S Guide Page FCC Notice Cabletron Software Program License United States Government Restricted Rights Installation Requirements & SpecificationsIntroduction Troubleshooting Local ManagementAppendix a Tpim Specifications Appendix B Media Specifications Contents of This Manual Sthi OverviewSthi Overview Lanview LEDsRing Speed Fault Protection Lobe Port and Multiple Ring Out Port ConfigurationsTCU Ports Active Circuitry Daughter Board Upgrade KitMedia Type Connector 3 RI & RO PortsHub-By-Hub Bypass Control Automatic Beacon Recovery ProcessSupport for Passive MAU Workgroups Flash Downloads Improved Protection from BeaconingIP Address Discovery DAISY-CHAIN MAU Configuration Related Manuals Related ManualsGetting Help Local ManagementGetting Help General Networking Considerations Maximum Number of Stations on a RingGeneral Networking Considerations TemperatureInstallation Recommendations CrosstalkHubstack Interconnect Cables Operating SpecificationsOperating Specifications TCU and COM PortsRJ45 to DB25 Connector Pinout Cabletron Enterprise MIBs Supported MIB GroupsStandard MIBs Ring SpeedSafety Ring SequenceComputing Hardware Physical SpecificationsEnvironmental Requirements Installing the Sthi Unpacking the SthiAttaching the Strain Relief Bracket Installing the SthiStacking the Sthi Rack-Mounting the SthiWall-Mounting the Sthi Rack Mounting BracketsInstalling the Sthi Free-Standing Installations Wall-mounting the SthiTpim Installation Tpim InstallationFinishing the Installation Connecting the Sthi to the Power SourceLanview LED Signals Color ConditionLoss Of Power Trouble ResolutionTrouble Resolution Failure to Link on Enabled PortReset Button Reset ButtonReset Button Management FailureNvram Reset Switch Nvram Reset SwitchAccessing LM Local ManagementDumb Terminal Configuration Accessing LMMenu Parameter Setting Console Cable Configuration Entering LMInvoking Menu Options or Screen Commands Using LM ScreensUsing LM Screens Working with LM ScreensSetting or Modifying Fields Exiting the Local Management Interface SessionScreen Introductions Password Screen Main Menu Device Setup StatusScreen Hierarchy System LevelComponent Status Snmp TrapsChassis Status View Device StatisticsSystem Date and System Time System Level ScreenSystem Level Screen IP AddressSubnet Mask Enable IP Address DiscoveryRetry Interval Enable Beacon Recovery Number of RetriesSnmp Community Names Screen Locally Administered AddressSnmp Community Names Screen MAC AddressRead-only Access PolicyCommunity Name Read-writeSnmp Traps Screen Enable TrapsSnmp Traps Screen Trap DestinationChassis Status View Screen Screen Mode Screen CommandChassis Status View Screen Functions of the Chassis Status View ScreenMultiplexer Configuration Fields Port Configuration Fields Administrative ModeEach port field whether Tpim or TCU may be set as follows Ring OUT Enable Mode Operational Mode Each Ring port Tpim port or Ring Out TCU may be listed asComponent Status Screen Component Status ScreenNext and Previous Device Statistics Screen Device Statistics ScreenScreen Mode AccumulateKBytes Received Errors ReceivedFrames Received Beacon StatesRing Number Ports EnabledRing Status Stations on a RingBurst Errors Isolating Errors Fields GroupLine Errors AC ErrorsLost Frame Errors Internal ErrorsNon-Isolating Errors Group Frame Copied ErrorsSnmp Tool Screen Token ErrorsFrequency Errors Snmp Tool ScreenOID Prepend 3 GETGetnext StepCycles Walk9 SET Repeat Firmware Image DownloadsCtDLCommitRAMtoFlash Overview Twisted Pair Tpim PinoutsFiber Optic Tpim Specifications Fiber Optic Tpim SpecificationsParameter Typical Worst Case TPIM-F2 for Multimode FiberBudget TPIM-F3 for Single Mode Fiber Parameter Typical Minimum MaximumA-5 Unshielded Twisted Pair UTP UTP Cable CategoriesAttenuation Loss Cat Frequency Operating Electrical SignalUnshielded Twisted Pair UTP Per 100m @ ≥100m@ 4 Mbps @ 16 Mbps Shielded Twisted Pair STPShielded Twisted Pair STP CategorySTP Lobe Lengths Operational Attenuation perType Frequency 1000 m 1000 ft Mixed STP Cable TypesMax. Lobe Length Max. Drive Distance Type Mbps Single Mode and Multimode Fiber Optic CablingSingle Mode and Multimode Fiber Optic Cabling Total Maximum