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Cabletron Systems 42T, MICROMMAC-22T manual Safety, Physical, 2.5.5, Service

Models: 42T MICROMMAC MICROMMAC-22T

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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

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Cabletron Systems 42T, MICROMMAC-22T manual Safety, Physical, 2.5.5, Service

Contents

USER’S GUIDE MICROMMAC-22T/24T/42T/44T STACKABLE TOKEN RING INTELLIGENT HUBSCopyright March 1996 by Cabletron Systems, Inc VCCI NOTICE FCC NOTICEDOC NOTICE CABLETRON SOFTWARE PROGRAM LICENSE EXCLUSION OF WARRANTY AND DISCLAIMER OF LIABILITYCABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT UNITED STATES GOVERNMENT RESTRICTED RIGHTS CHAPTER 1 INTRODUCTION CONTENTSCHAPTER 2 REQUIREMENTS/SPECIFICATIONS CHAPTER 3 INSTALLATIONCHAPTER 4 LOCAL MANAGEMENT CHAPTER 5 TROUBLESHOOTINGCONTENTS 5.2.4 Saved System Messages 5.3 VIEWING POWER UP DIAGNOSTIC TESTSFigure 1-1. The MicroMMAC-T 1.1 CONTENTS OVERVIEWCHAPTER INTRODUCTION DISPLAY RESETINTRODUCTION 1.2 MicroMMAC-T OVERVIEWFigure 1-2. Typical MicroMMAC-T Conﬁguration Scenario 1.3 MicroMMAC-T FEATURESTelnet Local 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 ButtonRMON MIB Support Table 1-2. RMON MIB RFC 1271/1513 Support Cont 1.4 STACKABLE CAPABILITIESFigure 1-3. Typical Stackable Conﬁguration 1.5 BRIDGING/ROUTING CAPABILITIES1.7 TELNET CAPABILITIES 1.5.1 SNA/WAN Integration1.6 REMOTE MANAGEMENT CAPABILITIES Commercial Building Wiring Standard, EIA/TIA-568 1.8 RECOMMENDED READING1.9 GETTING HELP Local Area Networks, Token Ring Access Method, IEEE Standard 802.52.1 CABLE SPECIFICATIONS CHAPTER REQUIREMENTS/SPECIFICATIONSAttenuation and Impedance 2.1.1 UTP Cable SpeciﬁcationsMaximum Number of Stations Maximum Lobe LengthsType 3 Media Filters Table 2-3. STP Cable Speciﬁcations 2.1.2 STP Cable SpeciﬁcationsAttenuation and Impedance Maximum Lobe LengthsTable 2-5. STP Maximum Drive Distance Maximum Trunk LengthsMaximum Number of Stations Table 2-4. STP Maximum Lobe Lengths802.5 speciﬁcations allow for a The maximum allowable ﬁberoptic cable length is 2 km 2187.2 yards. However, IEEEMaximum Trunk Lengths 2.1.4 Single Mode Fiber Optic Cable SpeciﬁcationsTable 2-7. Single Mode Fiber Optic Cable Speciﬁcations Fiber Optic BudgetCrosstalk 2.2 CABLE RECOMMENDATIONS/TROUBLESHOOTINGTemperature Fiber Optic Budget2.3 COM PORT SPECIFICATIONS SLIP 2.4 TPIM SPECIFICATIONSBooting/Diagnostics Local ManagementTPIM-T4 TPIM-T2TPIM-F2 NOTE Transmitter power and receive sensitivity levels, shown inParameter REQUIREMENTS/SPECIFICATIONSTPIM-F3 TPIM-F2 SpeciﬁcationsTable 2-9. TPIM-F3 Speciﬁcations When measuring power levels with an Average Power Meter, add 3 dBm2.5.2 Environmental Requirements 2.5 GENERAL SPECIFICATIONS2.5.1 Power Supply Requirements 2.5.5 2.5.3 SafetyService 2.5.4 Physical3.2 ATTACHING THE STRAIN RELIEF BRACKET CHAPTER INSTALLATION3.1 UNPACKING THE MicroMMAC-T INSTALLATION 3.3 INSTALLING THE MicroMMAC-T3.3.1 Rack-Mounting the MicroMMAC-T Figure 3-3. Installing the MicroMMAC-T in a 19-inch Rack 3.3.2 Wall-Mounting the MicroMMAC-TFigure 3-2. Installing of Rack-Mount Brackets Molly Screw Anchors Molly Screws Bracket Screws Wall Mounting Bracket Figure 3-4. Wall-Mounting the MicroMMAC-TFigure 3-5. Free-Standing Installation 3.3.3 Free-Standing Installation3.4 CONNECTING TO A POWER SOURCE 3.5 RESETTING THE MICROMMAC-TTo change the ring speed 3.6 SETTING THE RING SPEEDTo reset the MicroMMAC-T To restore MicroMMAC-T parameters to the factory defaults 3.7 SETTING THE NVRAM SWITCHNOTE Clearing and resetting NVAM does not reset the date and time 3.8 CONNECTING LOBE PORT CABLINGat device port INSTALLATIONRJ45 Plug at TCULobe Cable INSTALLATIONFigure 3-10. UTP Conﬁguration Example 3-10Figure 3-12. MicroMMAC-T Network Ports INSTALLATIONTo attach a lobe segment to a MicroMMAC-T network port Figure 3-11. STP Conﬁguration Example3.9 INSTALLING TPIM MODULES Table 3-1. Pinout Cross-Reference for TPIMs Cont 3.9.1 Setting Phantom and RI/RO SwitchesCAUTION Observe all static precautions while handling TPIMs 3.9.2 TPIM InstallationTo install a TPIM, perform the following steps To connect a TPIM-T1 to a Twisted Pair Segment 3.9.3 Connecting STP SegmentsTo connect a segment to a TPIM-T2/-T4 3.9.4 Connecting Twisted Pair SegmentsFigure 3-16. The TPIM-T2/-T4 3.9.5 Connecting Fiber Optic Link SegmentsFigure 3-17. The TPIM-F2/-F3 To connect a ﬁber optic link segment to the TPIM-F2 /-F3To check MicroMMAC-T installation 3.10 CHECKING THE INSTALLATIONUse Local Management to Do the Following CHAPTER LOCAL MANAGEMENT4.1 MANAGEMENT TERMINAL REQUIREMENTS To attach a management terminal to the MicroMMAC-T 4.1.2 Management Terminal Setup Parameters4.1.1 Attaching the Management Terminal Table 4-1. Terminal Settings for LM Terminal 4.1.3 Modem Cable Conﬁguration and SetupTo access Local Management 4.2 ACCESSING LOCAL MANAGEMENTFigure 4-3. MicroMMAC-T Local Management Screen 4.2.1 Accessing Local Management via TelnetMAIN MENU Screen 4.2.2 Accessing Local Management from a Modem4.3 USING LOCAL MANAGEMENT SETUP MENU ScreenSETUP MENU 4.3.1 Working with Local Management ScreensSetting or Modifying Local Management Screen Fields SETUP MENU STATUS MENU DEVICE STATISTICS MIB NAVIGATOR EXITExiting Your Local Management Session Exiting a Local Management ScreenSetting the System Date 4.3.2 The SYSTEM LEVEL ScreenSetting the Host IP Address Setting the System TimeTo modify the Subnet Mask Modifying the Subnet MaskNOTE ARBP is supported only by Cabletron products Setting the Default GatewayTo set the Default Gateway Setting Automatic Beacon Recovery Process ABRP FieldsTo set the Beacon Recovery ﬁeld To set the Retry Interval ﬁeld 4.3.3 The SNMP COMMUNITY NAMES ScreenSetting COM 1 and COM 2 Applications To set the Number of Retries ﬁeldRead-Write The user can view all LM ﬁelds and can edit all but the Editing the Community Name ﬁeld 4.3.4 The SNMP TRAPS ScreenAccess Policy Community NameTrap Community Name Enable TrapsSetting SNMP Traps Trap Destination4.3.5 The RING SECURITY Screen You can select from two modes of ring security Alarm Only NOTE The NMS receives each station added trap once only Security ModeSTATION ADDRESS Stn EditPREVIOUSSCREEN Changing the Security ModeSAVE/EXECUTE NEXTSCREENNOTE You cannot delete the Micro-MMAC-T address from the list Viewing the Revised Allowed ListAdding Stations to the STATION ADDRESS Allowed List Deleting Stations from the STATION ADDRESS Allowed ListDEVICE STATISTICS 4.3.6 The DEVICE STATISTICS ScreenFrames Received Selecting the Device Statistics Counter ModeUsing the ACCUMULATIVE Counter Mode Setting the Refresh FieldBurst Errors Errors ReceivedISOLATING ERRORS Line ErrorsRING INFORMATION AC ErrorsAbort Transmit Errors Internal ErrorsRing Number Ports EnabledNON-ISOLATING ERRORS Lost Frame ErrorsToken Errors 4.3.7 The CHASSIS STATUS VIEW ScreenFrame Copied Errors Rcvr Congestion ErrorsVirtual Flexible Network Bus VFNB ModePort Status PREVIOUS Screen Mode StatusENABLE ALL PORTS ADMINISTRATIVE mode only NEXTReturn key Setting the REFRESH FieldUsing the OPERATIONAL Mode Screen To display the status of RI/RO ports, BRIMs, or the MicroSNAC device To display the status of portsTo 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 moduleTo switch to and from STN and RO 4.3.8 The COMPONENT STATUS ScreenFigure 4-13. COMPONENT STATUS VIEW Screen 4.3.9 The MIB NAVIGATOR ScreenTo escape from the MIB NAVIGATOR screen To access a list of MIB commandsTo get help on speciﬁc commands bran whoami Built-In commandsnext treesnmpget 4.3.10 The FLASH DOWNLOAD Screenping snmp branchTo chose the RUNTIME method Download Method ﬁeldFlash Image File Name To choose the BOOTPROM method2. Toggle from RUNTIME to BOOTPROM using the spacebar Flash Image Server IP5.1 USING LANVIEW LEDs CHAPTER TROUBLESHOOTING5.2 USING THE LCD DISPLAY Table 5-2. Static System Messages 5.2.1 Static System MessagesDisplayed 5.2.2 Alarm MessagesTROUBLESHOOTING Table 5-3. Alarm MessagesTable 5-4. Unsaved Failure or Error Messages 5.2.3 Unsaved Initialization MessagesTable 5-3. Alarm Messages Cont Table 5-6. Saved System Messages 5.2.4 Saved System MessagesTable 5-5. Normal Unsaved Initialization Messages Responding to Error Messages 5.3 VIEWING POWER UP DIAGNOSTIC TESTSNOTE The LCD displays the following message whenever the POWER To return to Local Management To execute a response optionFRENCH POWER SUPPLY CORDGERMAN SPANISH