BRIDGING/ROUTING Capabilities | Cabletron Systems 42T, MICROMMAC

INTRODUCTION

REAR VIEW

MicroMMAC Managing 4 Non-Intelligent Hubs

HubSTACK

STH-24

RESERVED STACK

HubSTACK

STH-24

RESERVED STACK

HubSTACK

STH-24

RESERVED STACK

HubSTACK

STH-24

RESERVED STACK

MicroMMAC-24TTOKEN RING HUB WITH LANVIEW®

BRIM Slot

STACK2 STACK3 STACK4 STACK5

Figure 1-3. Typical Stackable Conﬁguration

NOTE: Token Ring HubSTACK Interface cables, which are used to connect between the MicroMMAC-T and stacked STH hubs, are not included with the MicroMMAC-T.

1.5 BRIDGING/ROUTING CAPABILITIES

A slot on the back panel of the unit provides installation access for BRIMs to the hub. MicroMMAC-T management systems treat the installed BRIM and the hub as a single entity. Cabletron offers the BRIMs listed in Table 1-3.

1-9

Image 17

Cabletron Systems 42T, MICROMMAC-22T manual BRIDGING/ROUTING Capabilities, Typical Stackable Conﬁguration

Contents

Page Iii FCC Notice Cabletron SYSTEMS, INC. Program License Agreement United States Government Restricted Rights Contents Local Management Troubleshooting Saved System Messages Viewing Power UP Diagnostic Tests Chapter Introduction Contents Overview MicroMMAC-T Overview Telnet MicroMMAC-T Features Speed Fault Protection Cable Signal PolarityActive TCU Ports Local Management Cabletron’s Distributed LAN Monitor Mode Ring Speed SwitchFlash Eeprom Lanview LEDs COM Port Applications Reset ButtonLCD and LCD Display Button MIB Support Group Subgroup Section Rmon MIB SupportRmon MIB RFC 1271/1513 Support Stackable Capabilities Typical Stackable Conﬁguration BRIDGING/ROUTING Capabilities Remote Management Capabilities 1 SNA/WAN IntegrationTelnet Capabilities BRIMs Getting Help Recommended Reading MicroMMAC-T Ports/Cables Cable Specifications Attenuation and Impedance UTP Cable SpeciﬁcationsUTP Voice Grade and Category 3 Speciﬁcations Frequency Impedance Attenuation Type 3 Media Filters Maximum Lobe LengthsMaximum Number of Stations UTP Maximum Lobe Lengths Types Frequency Impedance Attenuation STP Cable SpeciﬁcationsSTP Cable Speciﬁcations STP Maximum Lobe Lengths Maximum Trunk LengthsSTP Cable Type Ring Speed Mbps STP Maximum Drive Distance Attenuation Mixed Cable TypesMultimode Fiber Optic Cable Speciﬁcations Cable Type Attenuation Maximum Drive Distance Fiber Optic Budget Single Mode Fiber Optic Cable SpeciﬁcationsSingle Mode Fiber Optic Cable Speciﬁcations Temperature Cable RECOMMENDATIONS/TROUBLESHOOTINGCrosstalk Noise COM 1/COM 2 Ports COM Port Specifications UPS Tpim SpecificationsSlip TPIM-T1 TPIM-T1 Pinouts TPIM-T2 TPIM-T4 Pinouts TPIM-F2 TPIM-F2 Speciﬁcations TPIM-F3Parameter Typical Worst Case Value Budget Parameter Typical Minimum Maximum REQUIREMENTS/SPECIFICATIONS Power Supply Requirements General SpecificationsOutput Min. Load Max. Load Max Power Environmental Requirements Physical SafetyService Attaching the Strain Relief Bracket Unpacking the MicroMMAC-T Rack-Mounting the MicroMMAC-T Installing the MicroMMAC-T Wall-Mounting the MicroMMAC-T Installing of Rack-Mount Brackets 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 To restore MicroMMAC-T parameters to the factory defaults Setting the Nvram Switch RJ45 Plug MIC Connector Connecting Lobe Port Cabling At TCU At device port RJ45 Plug 10. UTP Conﬁguration Example 11. STP Conﬁguration Example To attach a lobe segment to a MicroMMAC-T network port Pinout Cross-Reference for TPIMs Installing Tpim ModulesSignal RJ45 DB9 Ring-In Ring-Out Setting Phantom and RI/RO Switches To install a TPIM, perform the following steps Tpim Installation To connect a TPIM-T1 to a Twisted Pair Segment Connecting STP Segments To connect a segment to a TPIM-T2/-T4 Connecting Twisted Pair Segments 16. The TPIM-T2/-T4 Connecting Fiber Optic Link Segments 17. The TPIM-F2/-F3 To connect a ﬁber optic link segment to the TPIM-F2 /-F3 To check MicroMMAC-T installation Checking the Installation Use Local Management to Do the Following Management Terminal Requirements 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 To access Local Management Accessing Local Management MicroMMAC-TLocal Management Screen Accessing Local Management via Telnet Using Local Management Accessing Local Management from a ModemSetup Menu Screen Main Menu Screen Selecting a Menu Screen Option Setting or Modifying Local Management Screen FieldsWorking with Local Management Screens Exiting Your Local Management Session Exiting a Local Management Screen System Level Screen Setting the System Date Setting the Host IP Address Setting the System Time To modify the Subnet Mask Modifying the Subnet Mask Setting Automatic Beacon Recovery Process Abrp Fields Setting the Default GatewayTo set the Default Gateway To set the Beacon Recovery ﬁeld Snmp Community Names Screen Setting COM 1 and COM 2 ApplicationsTo set the Number of Retries ﬁeld To set the Retry Interval ﬁeld Snmp Community Names Screen Snmp Traps Screen Access PolicyCommunity Name Editing the Community Name ﬁeld Setting Snmp Traps Enable TrapsTrap Destination Trap Community Name Ring Security Screen Ring Security Screen Stn Edit Security ModeStation Address Nextscreen SAVE/EXECUTEPreviousscreen Return Deleting Stations from the Station Address Allowed List Viewing the Revised Allowed ListAdding Stations to the Station Address Allowed List Device Statistics Device Statistics Screen Setting the Refresh Field Selecting the Device Statistics Counter ModeUsing the Accumulative Counter Mode Isolating Errors Errors Received Ring Information AC Errors Lost Frame Errors NON-ISOLATING Errors Chassis Status View Screen Frame Copied Errors Mode Next 10. Chassis Status View Operational Screen Using the Operational Mode Screen To display the status of ports To enable and disable select ports Using the Administrative Mode Screen Using the Ring OUT Enable Mode Screen To enable all ports for all modulesTo bypass all ports on a module To reconnect a module to the token ring Component Status Screen To switch to and from STN and RO 13. Component Status View Screen MIB Navigator 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 Set Built-In commands To download a Flash image Flash Download Screen To chose the Runtime method Download Method ﬁeld Toggle from Runtime to Bootprom using the spacebar To choose the Bootprom method Lanview Leds Using Lanview LEDs LCD Display Using the LCD Display Displayed Message Signiﬁcance Static System MessagesStatic System Messages Displayed Signiﬁcance Messages Alarm MessagesAlarm Messages Unsaved Initialization Messages Unsaved Failure or Error Messages Normal Unsaved Initialization Messages Saved System MessagesSaved System Messages Displayed Message Responding to Error Messages Viewing Power UP Diagnostic Tests To return to Local Management To execute a response option Power Supply Cord