Cabletron Systems 42T, MICROMMAC-22T manual Safety, Physical, Service

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REQUIREMENTS/SPECIFICATIONS

Non-operating Temperature:	-30°to +90°C
Operating Humidity:	5 to 95% (non-condensing)

2.5.3 Safety

This unit meets the safety requirements of UL 1950, CSA C22.2 No. 950 and EN 60950; the EMI requirements of FCC Class A and EN 55022 Class A; and the EMC requirements of EN 50082-1.

WARNING: It is the responsibility of the system vendor to ensure that the total system, including the MicroMMAC-T, meets allowed limits of conducted and radiated emissions.

2.5.4 Physical

Dimensions:

2.8H x 17.0W x 13.5D inches

(7.2H x 43.6W x 34.6D cm)

Weight:

Unit: 7 pounds

Shipping: 11 pounds

2.5.5	Service
MTBF	>944,197 hours projected
MTTR	<0.5 hour

2-16

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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 FeaturesLocal Management Cable Signal PolaritySpeed Fault Protection Active TCU PortsLanview LEDs Ring Speed SwitchCabletron’s Distributed LAN Monitor Mode Flash EepromMIB Support Reset ButtonCOM Port Applications LCD and LCD Display ButtonGroup Subgroup Section Rmon MIB SupportRmon MIB RFC 1271/1513 Support Stackable Capabilities Typical Stackable Conﬁguration BRIDGING/ROUTING CapabilitiesBRIMs 1 SNA/WAN IntegrationRemote Management Capabilities Telnet CapabilitiesGetting Help Recommended ReadingMicroMMAC-T Ports/Cables Cable SpecificationsFrequency Impedance Attenuation UTP Cable SpeciﬁcationsAttenuation and Impedance UTP Voice Grade and Category 3 SpeciﬁcationsUTP Maximum Lobe Lengths Maximum Lobe LengthsType 3 Media Filters Maximum Number of StationsTypes Frequency Impedance Attenuation STP Cable SpeciﬁcationsSTP Cable Speciﬁcations STP Maximum Drive Distance Maximum Trunk LengthsSTP Maximum Lobe Lengths STP Cable Type Ring Speed MbpsCable Type Attenuation Maximum Drive Distance Mixed Cable TypesAttenuation Multimode Fiber Optic Cable SpeciﬁcationsFiber Optic Budget Single Mode Fiber Optic Cable SpeciﬁcationsSingle Mode Fiber Optic Cable Speciﬁcations Noise Cable RECOMMENDATIONS/TROUBLESHOOTINGTemperature CrosstalkCOM 1/COM 2 Ports COM Port SpecificationsTPIM-T1 Tpim SpecificationsUPS SlipTPIM-T1 Pinouts TPIM-T2TPIM-T4 Pinouts TPIM-F2Parameter Typical Minimum Maximum TPIM-F3TPIM-F2 Speciﬁcations Parameter Typical Worst Case Value BudgetREQUIREMENTS/SPECIFICATIONS Environmental Requirements General SpecificationsPower Supply Requirements Output Min. Load Max. Load Max PowerPhysical SafetyService 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 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 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 portPinout 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 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 RequirementsTo 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 ManagementMicroMMAC-TLocal Management Screen Accessing Local Management via TelnetMain Menu Screen Accessing Local Management from a ModemUsing Local Management Setup Menu ScreenSelecting a Menu Screen Option Setting or Modifying Local Management Screen FieldsWorking with Local Management Screens 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 MaskSetting Automatic Beacon Recovery Process Abrp Fields Setting the Default GatewayTo set the Default Gateway To set the Beacon Recovery ﬁeld To set the Retry Interval ﬁeld Setting COM 1 and COM 2 ApplicationsSnmp Community Names Screen To set the Number of Retries ﬁeldSnmp Community Names Screen Editing the Community Name ﬁeld Access PolicySnmp Traps Screen Community NameTrap Community Name Enable TrapsSetting Snmp Traps Trap DestinationRing Security Screen Ring Security Screen Stn Edit Security ModeStation Address Return SAVE/EXECUTENextscreen PreviousscreenDeleting Stations from the Station Address Allowed List Viewing the Revised Allowed ListAdding Stations to the Station Address Allowed List Device Statistics Device Statistics ScreenSetting the Refresh Field Selecting the Device Statistics Counter ModeUsing the Accumulative Counter Mode 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 ScreenTo reconnect a module to the token ring To enable all ports for all modulesUsing the Ring OUT Enable Mode Screen To bypass all ports on a moduleComponent Status Screen To switch to and from STN and RO13. Component Status View Screen MIB Navigator ScreenTo 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 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 DisplayDisplayed Message Signiﬁcance Static System MessagesStatic System Messages Displayed Signiﬁcance Messages Alarm MessagesAlarm Messages Unsaved Initialization Messages Unsaved Failure or Error MessagesDisplayed Message Saved System MessagesNormal Unsaved Initialization Messages Saved System MessagesResponding to Error Messages Viewing Power UP Diagnostic TestsTo return to Local Management To execute a response optionPower Supply Cord