RJ45 Plug, At TCU At device port | Cabletron Systems 42T, MICROMMAC

INSTALLATION

RJ45 Plug			RJ45 Plug
8		1	8		1

RJ45 Plug	to	RJ45 Plug
(at TCU)		(at device port)

Pin 3 (Receive -) . . . . . . . . .to. . . . Pin 3 (Transmit -) Pin 4 (Transmit +) . . . . . . . . to. . . . Pin 4 (Receive +) Pin 5 (Transmit -). . . . . . . . . to. . . . Pin 5 (Receive -)

Pin 6 (Receive +) . . . . . . . . . to. . . . Pin 6 (Transmit +)

Figure 3-9. Network lobe pinouts

Figure 3-10 and Figure 3-11 illustrate possible MicroMMAC-T cabling conﬁgurations.

3-9

Image 44

Cabletron Systems 42T, MICROMMAC-22T manual RJ45 Plug, At TCU At device port

Contents

Page Iii FCC Notice Cabletron SYSTEMS, INC. Program License Agreement United States Government Restricted Rights Contents Troubleshooting Local Management Saved System Messages Viewing Power UP Diagnostic Tests Contents Overview Chapter Introduction MicroMMAC-T Overview MicroMMAC-T Features Telnet Cable Signal Polarity Speed Fault ProtectionActive TCU Ports Local Management Ring Speed Switch Cabletron’s Distributed LAN Monitor ModeFlash Eeprom Lanview LEDs Reset Button COM Port ApplicationsLCD and LCD Display Button MIB Support Group Subgroup Section Rmon MIB SupportRmon MIB RFC 1271/1513 Support Stackable Capabilities BRIDGING/ROUTING Capabilities Typical Stackable Conﬁguration 1 SNA/WAN Integration Remote Management CapabilitiesTelnet Capabilities BRIMs Recommended Reading Getting Help Cable Specifications MicroMMAC-T Ports/Cables UTP Cable Speciﬁcations Attenuation and ImpedanceUTP Voice Grade and Category 3 Speciﬁcations Frequency Impedance Attenuation Maximum Lobe Lengths Type 3 Media FiltersMaximum Number of Stations UTP Maximum Lobe Lengths Types Frequency Impedance Attenuation STP Cable SpeciﬁcationsSTP Cable Speciﬁcations Maximum Trunk Lengths STP Maximum Lobe LengthsSTP Cable Type Ring Speed Mbps STP Maximum Drive Distance Mixed Cable Types AttenuationMultimode Fiber Optic Cable Speciﬁcations Cable Type Attenuation Maximum Drive Distance Fiber Optic Budget Single Mode Fiber Optic Cable SpeciﬁcationsSingle Mode Fiber Optic Cable Speciﬁcations Cable RECOMMENDATIONS/TROUBLESHOOTING TemperatureCrosstalk Noise COM Port Specifications COM 1/COM 2 Ports Tpim Specifications UPSSlip TPIM-T1 TPIM-T2 TPIM-T1 Pinouts TPIM-F2 TPIM-T4 Pinouts TPIM-F3 TPIM-F2 SpeciﬁcationsParameter Typical Worst Case Value Budget Parameter Typical Minimum Maximum REQUIREMENTS/SPECIFICATIONS General Specifications Power Supply RequirementsOutput Min. Load Max. Load Max Power Environmental Requirements Physical SafetyService Unpacking the MicroMMAC-T Attaching the Strain Relief Bracket Installing the MicroMMAC-T Rack-Mounting the MicroMMAC-T Installing of Rack-Mount Brackets Wall-Mounting the MicroMMAC-T Wall-Mounting the MicroMMAC-T Resetting the MICROMMAC-T Free-Standing InstallationConnecting to a Power Source To change the ring speed Setting the Ring SpeedTo reset the MicroMMAC-T Setting the Nvram Switch To restore MicroMMAC-T parameters to the factory defaults Connecting Lobe Port Cabling RJ45 Plug MIC Connector RJ45 Plug At TCU At device port 10. UTP Conﬁguration Example To attach a lobe segment to a MicroMMAC-T network port 11. STP Conﬁguration Example Pinout Cross-Reference for TPIMs Installing Tpim ModulesSignal RJ45 DB9 Ring-In Ring-Out Setting Phantom and RI/RO Switches Tpim Installation To install a TPIM, perform the following steps Connecting STP Segments To connect a TPIM-T1 to a Twisted Pair Segment Connecting Twisted Pair Segments To connect a segment to a TPIM-T2/-T4 Connecting Fiber Optic Link Segments 16. The TPIM-T2/-T4 To connect a ﬁber optic link segment to the TPIM-F2 /-F3 17. The TPIM-F2/-F3 Checking the Installation To check MicroMMAC-T installation Management Terminal Requirements Use Local Management to Do the Following To attach a management terminal to the MicroMMAC-T Management Terminal Setup ParametersAttaching the Management Terminal Menu Function Selection Modem Cable Conﬁguration and SetupTerminal Settings for LM Terminal Accessing Local Management To access Local Management Accessing Local Management via Telnet MicroMMAC-TLocal Management Screen Accessing Local Management from a Modem Using Local ManagementSetup Menu Screen Main Menu Screen Selecting a Menu Screen Option Setting or Modifying Local Management Screen FieldsWorking with Local Management Screens Exiting a Local Management Screen Exiting Your Local Management Session Setting the System Date System Level Screen Setting the System Time Setting the Host IP Address Modifying the Subnet Mask To modify the Subnet Mask Setting Automatic Beacon Recovery Process Abrp Fields Setting the Default GatewayTo set the Default Gateway To set the Beacon Recovery ﬁeld Setting COM 1 and COM 2 Applications Snmp Community Names ScreenTo set the Number of Retries ﬁeld To set the Retry Interval ﬁeld Snmp Community Names Screen Access Policy Snmp Traps ScreenCommunity Name Editing the Community Name ﬁeld Enable Traps Setting Snmp TrapsTrap Destination Trap Community Name Ring Security Screen Ring Security Screen Stn Edit Security ModeStation Address SAVE/EXECUTE NextscreenPreviousscreen Return Deleting Stations from the Station Address Allowed List Viewing the Revised Allowed ListAdding Stations to the Station Address Allowed List Device Statistics Screen Device Statistics Setting the Refresh Field Selecting the Device Statistics Counter ModeUsing the Accumulative Counter Mode Errors Received Isolating Errors AC Errors Ring Information NON-ISOLATING Errors Lost Frame Errors Frame Copied Errors Chassis Status View Screen Mode Next Using the Operational Mode Screen 10. Chassis Status View Operational Screen To display the status of ports Using the Administrative Mode Screen To enable and disable select ports To enable all ports for all modules Using the Ring OUT Enable Mode ScreenTo bypass all ports on a module To reconnect a module to the token ring To switch to and from STN and RO Component Status Screen MIB Navigator Screen 13. Component Status View Screen To escape from the MIB Navigator screen To access a list of MIB commandsTo get help on speciﬁc commands Navigation Built-In Special Navigational commandsMIB Commands Built-In commands Set Flash Download Screen To download a Flash image Download Method ﬁeld To chose the Runtime method To choose the Bootprom method Toggle from Runtime to Bootprom using the spacebar Using Lanview LEDs Lanview Leds Using the LCD Display LCD Display Displayed Message Signiﬁcance Static System MessagesStatic System Messages Displayed Signiﬁcance Messages Alarm MessagesAlarm Messages Unsaved Failure or Error Messages Unsaved Initialization Messages Saved System Messages Normal Unsaved Initialization MessagesSaved System Messages Displayed Message Viewing Power UP Diagnostic Tests Responding to Error Messages To execute a response option To return to Local Management Power Supply Cord