Cabletron Systems TRXI-24, TRXI-22 Maximum Lobe Lengths, UTP Cable Type Maximum Lobe Length Mbps

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REQUIREMENTS/SPECIFICATIONS

Maximum Lobe Lengths

The lobe length is the physical length of the cable connecting a station to its TCU port at the TRXI. Table 2-2 shows the maximum lobe length, according to ring speed. The cable lengths listed in Table 2-2 are total lengths made up of UTP cable only.

Table 2-2. UTP Maximum Lobe Lengths

UTP Cable Type

Maximum Lobe Length

 

4 Mbps

16 Mbps

 

 

 

 

 

 

Category 3

100 meters

60 meters

 

(330 feet)

(198 feet)

 

 

 

Category 4

100 meters

60 meters

 

(330 feet)

(198 feet)

 

 

 

Category 5

130 meters

85 meters

 

(429 feet)

(280.5 feet)

 

 

 

Type 3 Media Filters

To connect a UTP lobe segment from a TRXI-22 or TRXI-24 to a station supporting STP cabling, you need a Type 3 Media Filter. Cabletron Systems offers the following Type 3 Media Filters:

TRMF, RJ45 (UTP) connector to 10-inch DB9 (STP) cable with

LANVIEW

TRMF-2, RJ45 (UTP) connector to DB9 (STP) connector

Maximum Number of Stations

When you use UTP lobe cabling anywhere on the ring, the number of stations is limited to 100 stations at ring speeds of either

4 or 16 Mbps.

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Contents Token Ring Intelligent HUB USER’S Guide Printed On Recycled Paper FCC Notice Exclusion of Warranty and Disclaimer of Liability Installation Contents Table of Contents IntroductionREQUIREMENTS/SPECIFICATIONS Local Management ContentsTesting and Troubleshooting Using this Manual Chapter IntroductionIntroduction Getting Help Trxi OverviewTrxi Features Group Subgroup Section Media Type ConnectorRmon MIB Support Token Ring Port Interface Modules TPIMsRemote Network Management Capabilities Flash EEPROMsCabletron’s Distributed LAN Monitor Recommended ReadingChapter REQUIREMENTS/SPECIFICATIONS Cable SpecificationsAttenuation and Impedance Frequency Impedance AttenuationType 3 Media Filters Maximum Lobe LengthsUTP Cable Type Maximum Lobe Length Mbps Maximum Number of StationsREQUIREMENTS/SPECIFICATIONS STP Cable Type Ring Speed Mbps Maximum Trunk LengthsMixed Cable Types Fiber Optic Budget Multimode Fiber Optic Cable Specifications for the TPIM-F2Cable Type Attenuation Maximum Drive Distance Single Mode Fiber Optic Cable Specifications for the TPIM-F3 Noise TemperatureCrosstalk REQUIREMENTS/SPECIFICATIONS Modem REQUIREMENTS/SPECIFICATIONS COM 1/COM 2 Port SpecificationsConsole UPSREQUIREMENTS/SPECIFICATIONS Tpim Specifications TPIM-T1REQUIREMENTS/SPECIFICATIONS TPIM-T2 TPIM-T4Value Case Budget REQUIREMENTS/SPECIFICATIONS TPIM-F2Parameter Typical Worst Worst Case Typical REQUIREMENTS/SPECIFICATIONS TPIM-F3 TPIM-F3Parameter Typical Minimum Maximum Output Min. Load Max. Load Max Power REQUIREMENTS/SPECIFICATIONS General SpecificationsPower Supply Requirements Environmental RequirementsPhysical REQUIREMENTS/SPECIFICATIONS SafetyService Unpacking the Trxi Attaching the Strain Relief BracketInstalling the Trxi Attaching the Strain ReliefInstalling the Trxi in the Rack Rack Mounting the TrxiWall Mounting the Trxi Free-Standing Installation Installation Setting the Ring Speed Switch Ring Speed Switch SettingsInstallation Setting the Nvram Switch Installation Connecting the Trxi to the Power Source Connecting the Network Lobe Port CablingConfiguration Examples for TRXI-24 and TRXI-44 LNK TPIM-T4 Installation Installing the Tpim RI/RO Modules Setting the TPIM’s Phantom Switch and RI/RO Switch Top ViewInstalling a Tpim to the Trxi 12. Installing a TpimConnecting a Twisted Pair Segment to the TPIM-T1 Connecting a Twisted Pair Segment to the TPIM-T2 or TPIM-T4 Installation LNK Finishing the Installation Chapter Testing and Troubleshooting Checking the InstallationTesting and Troubleshooting Using Lanview TRXI-24TOKEN Ring HUB with LanviewTesting and Troubleshooting LCD Display LCDStatic System Messages Displayed Message CommentsAlarm Messages Displayed Messages CommentsNormal Unsaved Initialization Messages Failure or Error MessagesUnsaved Initialization Messages Saved System Messages Displayed MessageChapter Local Management Local Management Management Terminal Requirements Attaching the Management TerminalGeneral Setup Setting the Management Terminal Setup ParametersDisplay Setup SetupModem Cable Configuration and Setup RJ45 COM 2 PortLocal Management Accessing Local Management Trxi Local ManagementLocal Management Using Local Management Main MenuExiting Your Local Management Session Selecting a Menu OptionExiting a Local Management Screen System Time System Level ScreenSystem Date IP AddressCOM 2 Application Setting the System DateCOM 1 Application Clear All NvramSetting the System Time Setting the IP AddressSetting the Subnet Mask Setting the Clear All Nvram Field Setting the Enable Beacon Recovery FieldSnmp Community Names Screen Community Name AccessComponent Name Editing the Community Name FieldTrap Destination Enable TrapsSnmp Traps Screen Trap Community NameSetting Snmp Traps Ring Security Screen Stn Edit Security ModeStation Address Previousscreen SAVE/EXECUTENextscreen ReturnBuilding the Allowed List Adding Stations to the Station Address Allowed ListChanging the Ring Security Mode Deleting Stations from the Station Address Allowed ListInterface Device Statistics ScreenDevice Statistics Isolating Errors Ring Information Lost Frame Errors Ports EnabledNON-ISOLATING Errors Ring NumberToken Errors Frame Copied ErrorsRcvr Congestion Errors Frequency ErrorsSelecting the Device Statistics Counter Mode Setting the Refresh FieldPort Status Enable All PortsChassis Status View Screen TempOperational Setting the Enable All Ports OptionSetting the Operational/Administrative Mode Option ReturnComponent Status View Screen 11. Component Status View ScreenSnmp Tools Screen Getnext GETSET WalkCommunity Name Security Access LevelGetting and Setting OIDs Local Management Scrolling Through MIB OIDs Local Management Local Management Spanish Power Supply CordGerman French