Cabletron Systems MICROMMAC, 42T manual Installing the MicroMMAC-T, Rack-Mounting the MicroMMAC-T

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INSTALLATION

MicroMMAC-24TTOKEN RING HUB WITH LANVIEW®

SUPPORTING 100 OHM STP CABLE

Figure 3-1. Attaching the Strain Relief Bracket

3.3 INSTALLING THE MicroMMAC-T

The MicroMMAC-T can be rack-mounted, wall-mounted, or placed on any horizontal surface. Refer to the following subsections for the appropriate installation instructions. When installing the MicroMMAC-T into something other than a 19-inch rack, installation requires the following:

•An unrestricted free surface area at least 21 inches wide, 18 inches deep, and 6 inches high.

•A single phase 85 to 264 Vac, 15A, grounded power receptacle located within 7 feet of the site.

•If a shelving unit is used, it must be able to support 30 pounds of static weight.

•The temperature in selected location must be between 5° and 50°C, and change less than 10°C per hour.

NOTE: Be sure that the selected location is within reach of the network cabling.

3.3.1 Rack-Mounting the MicroMMAC-T

Refer to Figure 3-2 and perform the following steps to install the MicroMMAC-T in a 19-inch rack:

1.Remove the four cover screws located along the front edges of each side of the MicroMMAC-T.

3-2

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Contents Page Iii FCC Notice Cabletron SYSTEMS, INC. Program License Agreement United States Government Restricted Rights Contents Local Management TroubleshootingSaved System Messages Viewing Power UP Diagnostic Tests Chapter Introduction Contents OverviewMicroMMAC-T Overview Telnet MicroMMAC-T FeaturesSpeed Fault Protection Cable Signal PolarityActive TCU Ports Local ManagementCabletron’s Distributed LAN Monitor Mode Ring Speed SwitchFlash Eeprom Lanview LEDsCOM Port Applications Reset ButtonLCD and LCD Display Button MIB SupportRmon MIB RFC 1271/1513 Support Rmon MIB SupportGroup Subgroup Section Stackable Capabilities Typical Stackable Conﬁguration BRIDGING/ROUTING CapabilitiesRemote Management Capabilities 1 SNA/WAN IntegrationTelnet Capabilities BRIMsGetting Help Recommended ReadingMicroMMAC-T Ports/Cables Cable SpecificationsAttenuation and Impedance UTP Cable SpeciﬁcationsUTP Voice Grade and Category 3 Speciﬁcations Frequency Impedance AttenuationType 3 Media Filters Maximum Lobe LengthsMaximum Number of Stations UTP Maximum Lobe LengthsSTP Cable Speciﬁcations STP Cable SpeciﬁcationsTypes Frequency Impedance Attenuation STP Maximum Lobe Lengths Maximum Trunk LengthsSTP Cable Type Ring Speed Mbps STP Maximum Drive DistanceAttenuation Mixed Cable TypesMultimode Fiber Optic Cable Speciﬁcations Cable Type Attenuation Maximum Drive DistanceSingle Mode Fiber Optic Cable Speciﬁcations Single Mode Fiber Optic Cable SpeciﬁcationsFiber Optic Budget Temperature Cable RECOMMENDATIONS/TROUBLESHOOTINGCrosstalk NoiseCOM 1/COM 2 Ports COM Port SpecificationsUPS Tpim SpecificationsSlip TPIM-T1TPIM-T1 Pinouts TPIM-T2TPIM-T4 Pinouts TPIM-F2TPIM-F2 Speciﬁcations TPIM-F3Parameter Typical Worst Case Value Budget Parameter Typical Minimum MaximumREQUIREMENTS/SPECIFICATIONS Power Supply Requirements General SpecificationsOutput Min. Load Max. Load Max Power Environmental RequirementsService SafetyPhysical Attaching the Strain Relief Bracket Unpacking the MicroMMAC-TRack-Mounting the MicroMMAC-T Installing the MicroMMAC-TWall-Mounting the MicroMMAC-T Installing of Rack-Mount BracketsWall-Mounting the MicroMMAC-T Connecting to a Power Source Free-Standing InstallationResetting the MICROMMAC-T To reset the MicroMMAC-T Setting the Ring SpeedTo change the ring speed To restore MicroMMAC-T parameters to the factory defaults Setting the Nvram SwitchRJ45 Plug MIC Connector Connecting Lobe Port CablingAt TCU At device port RJ45 Plug10. UTP Conﬁguration Example 11. STP Conﬁguration Example To attach a lobe segment to a MicroMMAC-T network portSignal RJ45 DB9 Ring-In Ring-Out Installing Tpim ModulesPinout Cross-Reference for TPIMs Setting Phantom and RI/RO Switches To install a TPIM, perform the following steps Tpim InstallationTo connect a TPIM-T1 to a Twisted Pair Segment Connecting STP SegmentsTo connect a segment to a TPIM-T2/-T4 Connecting Twisted Pair Segments16. The TPIM-T2/-T4 Connecting Fiber Optic Link Segments17. The TPIM-F2/-F3 To connect a ﬁber optic link segment to the TPIM-F2 /-F3To check MicroMMAC-T installation Checking the InstallationUse Local Management to Do the Following Management Terminal RequirementsAttaching the Management Terminal Management Terminal Setup ParametersTo attach a management terminal to the MicroMMAC-T Terminal Settings for LM Terminal Modem Cable Conﬁguration and SetupMenu Function Selection To access Local Management Accessing Local ManagementMicroMMAC-TLocal Management Screen Accessing Local Management via TelnetUsing Local Management Accessing Local Management from a ModemSetup Menu Screen Main Menu ScreenWorking with Local Management Screens Setting or Modifying Local Management Screen FieldsSelecting a Menu Screen Option Exiting Your Local Management Session Exiting a Local Management ScreenSystem Level Screen Setting the System DateSetting the Host IP Address Setting the System TimeTo modify the Subnet Mask Modifying the Subnet MaskTo set the Default Gateway Setting the Default GatewaySetting Automatic Beacon Recovery Process Abrp Fields 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 ﬁeldSnmp Community Names Screen Snmp Traps Screen Access PolicyCommunity Name Editing the Community Name ﬁeldSetting Snmp Traps Enable TrapsTrap Destination Trap Community NameRing Security Screen Ring Security Screen Station Address Security ModeStn Edit Nextscreen SAVE/EXECUTEPreviousscreen ReturnAdding Stations to the Station Address Allowed List Viewing the Revised Allowed ListDeleting Stations from the Station Address Allowed List Device Statistics Device Statistics ScreenUsing the Accumulative Counter Mode Selecting the Device Statistics Counter ModeSetting the Refresh Field Isolating Errors Errors ReceivedRing Information AC ErrorsLost Frame Errors NON-ISOLATING ErrorsChassis Status View Screen Frame Copied ErrorsMode Next 10. Chassis Status View Operational Screen Using the Operational Mode ScreenTo display the status of ports To enable and disable select ports Using the Administrative Mode ScreenUsing 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 ringComponent Status Screen To switch to and from STN and RO13. Component Status View Screen MIB Navigator ScreenTo get help on speciﬁc commands To access a list of MIB commandsTo escape from the MIB Navigator screen MIB Commands Navigational commandsNavigation Built-In Special Set Built-In commandsTo download a Flash image Flash Download ScreenTo chose the Runtime method Download Method ﬁeldToggle from Runtime to Bootprom using the spacebar To choose the Bootprom methodLanview Leds Using Lanview LEDsLCD Display Using the LCD DisplayStatic System Messages Static System MessagesDisplayed Message Signiﬁcance Alarm Messages Alarm MessagesDisplayed Signiﬁcance Messages Unsaved Initialization Messages Unsaved Failure or Error MessagesNormal Unsaved Initialization Messages Saved System MessagesSaved System Messages Displayed MessageResponding to Error Messages Viewing Power UP Diagnostic TestsTo return to Local Management To execute a response optionPower Supply Cord