Cabletron Systems 42T, User Manual

Page 1: ...MICROMMAC 22T 24T 42T 44T STACKABLE TOKEN RING INTELLIGENT HUBS USER S GUIDE ...

Page 2: ...UT OF OR RELATED TO THIS MANUAL OR THE INFORMATION CONTAINED IN IT EVEN IF CABLETRON SYSTEMS HAS BEEN ADVISED OF KNOWN OR SHOULD HAVE KNOWN THE POSSIBILITY OF SUCH DAMAGES Copyright March 1996 by Cabletron Systems Inc P O Box 5005 Rochester NH 03866 5005 All Rights Reserved Printed in the United States of America Order Number 9031320 March 1996 MicroMMAC 22T 24T 42T 44T BRIM and TPIM are trademark...

Page 3: ...o this device which are not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment DOC NOTICE This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications Le présent appareil numérique n émet pas de bru...

Page 4: ...terms and conditions of this License Agreement You may not copy reproduce or transmit any part of the Program except as permitted by the Copyright Act of the United States or as authorized in writing by Cabletron 2 OTHER RESTRICTIONS You may not reverse engineer decompile or disassemble the Program 3 APPLICABLE LAW This License Agreement shall be interpreted and governed under the laws and in the ...

Page 5: ...IONS MAY NOT APPLY TO YOU UNITED STATES GOVERNMENT RESTRICTED RIGHTS The enclosed product a was developed solely at private expense b contains restricted computer software submitted with restricted rights in accordance with Section 52227 19 a through d of the Commercial Computer Software Restricted Rights Clause and its successors and c in all respects is proprietary data belonging to Cabletron an...

Page 6: ... 2 STP Cable Specifications 2 4 2 1 4 Single Mode Fiber Optic Cable Specifications 2 7 2 2 CABLE RECOMMENDATIONS TROUBLESHOOTING 2 8 2 3 COM PORT SPECIFICATIONS 2 9 2 4 TPIM SPECIFICATIONS 2 10 2 5 GENERAL SPECIFICATIONS 2 15 2 5 1 Power Supply Requirements 2 16 2 5 2 Environmental Requirements 2 16 2 5 3 Safety 2 16 2 5 4 Physical 2 16 2 5 5 Service 2 17 CHAPTER 3 INSTALLATION 3 1 UNPACKING THE M...

Page 7: ...4 1 3 Modem Cable Configuration and Setup 4 3 4 2 ACCESSING LOCAL MANAGEMENT 4 4 4 2 1 Accessing Local Management via Telnet 4 5 4 2 2 Accessing Local Management from a Modem 4 6 4 3 USING LOCAL MANAGEMENT 4 6 4 3 1 Working with Local Management Screens 4 7 4 3 2 The SYSTEM LEVEL Screen 4 9 4 3 3 The SNMP COMMUNITY NAMES Screen 4 15 4 3 4 The SNMP TRAPS Screen 4 17 4 3 5 The RING SECURITY Screen 4...

Page 8: ...CONTENTS ix 5 2 4 Saved System Messages 5 6 5 3 VIEWING POWER UP DIAGNOSTIC TESTS 5 7 ...

Page 9: ...ntains the following information Chapter 1 Introduction outlines the contents of this manual and describes features of the MicroMMAC T and its add on components It also lists sources where more information on Token Ring network implementation can be found Chapter 2 Requirements Specifications describes cabling requirements network guidelines and MicroMMAC T operating specifications Chapter 3 Insta...

Page 10: ...ubs Figure 1 2 illustrates a typical MicroMMAC T configuration scenario Attachable Bridge Routing Interface Modules BRIMs incorporated as seamless entities within the MicroMMAC T provide connectivity not only to standard Token Rings but also to Ethernet FDDI ATM and WAN environments depending upon the BRIM types used Token Ring Port Interface Modules TPIMs attachable at the Ring In Ring Out RI RO ...

Page 11: ...d 5 UTP cabling MicroMMAC 24T twenty four active RJ45 TCU lobe ports that support category 3 4 and 5 UTP cabling MicroMMAC 42T twelve active RJ45 TCU lobe ports that support IBM Type 1 2 6 and 9 STP cabling MicroMMAC 44T twenty four active RJ45 TCU lobe ports that support IBM Type 1 2 6 and 9 STP cabling 1 3 MicroMMAC T FEATURES NOTE Call your Cabletron Sales representative to order the 12 port up...

Page 12: ...t Protection If a station attempts to insert into a ring port at a different speed from the one set on the MicroMMAC T that port is automatically bypassed to prevent the ring from beaconing The Lobe Port Status LED blinks red for more information see Section 5 1 USING LANVIEW LEDs to indicate that the port with the speed fault is being bypassed Local Management Local Management provides you with t...

Page 13: ...ailures RI RO status cable faults ring speed link problems and network activity See Section 5 1 for information about using LEDs Cabletron s Distributed LAN Monitor Mode To manage a network that includes multiple subnets remote network management stations need to query multiple management devices increasing the data traffic on the network Network managers can reduce the amount of management relate...

Page 14: ...net Protocol SLIP and modems LCD and LCD Display Button MicroMMAC T s front panel LCD used in conjunction with the LCD display button provides you with comprehensive system level information such as power up diagnostics FLASH image revision levels IP addresses and error alerts See Section 5 2 for more information Reset Button The Reset button on the front panel initializes the processor when press...

Page 15: ...1513 Support Group Subgroup Section Statistics rmon 1 Token Ring ML Stats Table Token Ring P Stats Table statistics 2 statistics 3 History rmon 2 History Control Table Token Ring ML History Table Token Ring P History Table history 1 history 3 history 4 Alarm rmon 3 Alarm Table alarm 1 Host rmon 4 Host Control Table Host Table Host Time Table hosts 1 hosts 2 hosts 3 HostTopN rmon 5 HostTopN Control...

Page 16: ... and error statistics for the entire stack individual device or individual port It is not necessary to power off the MicroMMAC T to add or remove hubs from the stack Event rmon 9 Event Table Log Table event 1 event 2 Token Ring rmon 10 Ring Station Control Table Ring Station Table Ring Station Order Table Ring Station Config Control Table Ring Station Config Table Source Routing Stats Table Token ...

Page 17: ...ack 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 REAR VIEW MicroMMAC Managing 4 Non Intelligent Hubs HubSTACK STH 24 MicroMMAC 24T TOKEN RING HUB WITH LANVIEW BRIM Slot STACK RESERVED STACK5 STACK4 STACK3 STACK2 STACK RESERVED RESERVED STACK S...

Page 18: ...llowing remote management packages Cabletron Systems SPECTRUM Cabletron Systems Remote LANVIEW Windows Cabletron Systems Remote SPECTRUM Portable Management Applications 1 7 TELNET CAPABILITIES The MicroMMAC T supports Telnet which allows any TCP IP based node on the network to establish a Local Management session with the Table 1 3 BRIMs BRIM Description BRIM E6 Ethernet Connection BRIM W6 Wide A...

Page 19: ...9 Commercial Building Wiring Standard EIA TIA 568 LAN Troubleshooting Handbook Mark Miller 1989 M T Publishing 1 9 GETTING HELP For additional support related to the Cabletron Systems MicroMMAC T or for any questions comments or suggestions concerning this manual contact Cabletron Systems Technical Support By phone 603 332 9400 Monday Friday 8am 8pm EST By CompuServe GO CTRON from any prompt By In...

Page 20: ...orts TPIMs have embedded repeaters and provide trunk connections for UTP STP Multimode Fiber and Single Mode Fiber cabling Attach stations to the TCU lobe ports with lobe cabling Figure 2 1 shows a typical ports to cables configuration Figure 2 1 MicroMMAC T Ports Cables Trunk Cabling Token Ring Station DISPLAY TOKEN RING HUB WITH LANVIEW SUPPORTING 100 OHM STP CABLE MicroMMAC 24T RESET CPU ACT MG...

Page 21: ... wiring before using The voltages used in UTP telephone circuits present a shock hazard and can damage Token Ring equipment when connected to Token Ring cabling The increased popularity and cost advantages of UTP cable have driven refinements in UTP cable design Better grades of UTP cable known as supergrade or level 4 provide improved transmission characteristics and may allow operation at 16 Mbp...

Page 22: ...to a station supporting STP cabling Cabletron Systems offers the following Type 3 Media Filters TRMF RJ45 UTP connector to 10 inch DB9 STP cable with LANVIEW TRMF 2 RJ45 UTP connector to DB9 STP connector Maximum Number of Stations When UTP lobe cabling is used in any ring segment the number of ring stations supported by the MicroMMAC T is limited to 150 regardless of the operating ring speed Tabl...

Page 23: ...from wall jacks Attenuation for Type 6 cable is 3 2 x Type 1 cable 66 m of Type 6 100 meters of Type 1 IBM Type 9 Similar to Type 1 but uses 26 AWG solid wire Attenuation for Type 9 cable is 3 2 x Type 1 cable 66 m of Type 9 100 meters of Type 1 Attenuation and Impedance The attenuation values shown in Table 2 3 include the attenuation of the cables connectors patch panels and reflection losses du...

Page 24: ... to the passive ring segment cannot exceed the Maximum Drive Distance Maximum Number of Stations If only STP lobe cabling is used throughout the ring the MicroMMAC T supports up to 255 ring stations regardless of ring speed Table 2 4 STP Maximum Lobe Lengths STP Cable Type Ring Speed 4 Mbps 16 Mbps IBM Types 1 2 300 meters 150 meters 984 feet 492 feet IBM Types 6 9 only for station to wall jack an...

Page 25: ...Table 2 6 For passive devices the combined length of twice the longest trunk cable plus the longest lobe cable attached to the passive ring segment must not exceed the Maximum Drive Distance Trunk Length Attenuation Fiber optic cable must be tested with an attenuation test set adjusted for an 850 nm wavelength This test ensures that a cable s signal loss is within acceptable limits Table 2 6 shows...

Page 26: ...T and other active devices is equal to the Maximum Drive Distance as shown in Table 2 7 For passive devices the combined length of twice the longest trunk cable plus the longest lobe cable attached to the passive ring segment must not exceed the Maximum Drive Distance Trunk Length Attenuation Fiber optic cable must be tested with an attenuation test set adjusted for a 1300 nm wavelength This test ...

Page 27: ...ir cables should not be used for UTP lobe cabling UTP lobe cabling should be dedicated to carrying Token Ring traffic Avoid mixing Token Ring signals with other applications voice etc within the same cable Noise Noise can be caused by crosstalk or externally imposed impulses If noise induced errors are suspected ensure that the electrical wiring in the area is properly wired and grounded and or tr...

Page 28: ...nd power surges UTP cables containing Token Ring signals should not be simultaneously used for applications which may impress high voltages greater that 5 volts with sharp rise or fall times The noise coupling from such signals could directly cause errors on the Token Ring network Lobe lengths between TCU ports and connected devices should not exceed 100 meters of 22 to 24 AWG wire Wherever possib...

Page 29: ... American Power Conversion only SLIP Both COM ports support Serial Line Internet Protocol SLIP Modem Both COM ports support modem connection 2 4 TPIM SPECIFICATIONS TPIMs provide Ring In Ring Out RI RO connections that can extend the network through a variety of media Each TPIM has an embedded repeater that re times all data The LNK Link LED on each TPIM provides the following information Green RI...

Page 30: ...ws pinouts for Ring Out and Ring In applications RING OUT 1 Transmit 2 Ground 3 5V at 250 mA 4 Ground 5 Receive 6 Transmit 7 Ground 8 Ground 9 Receive TPIM T1 LNK 5 4 3 2 1 9 8 7 6 RING IN 1 Receive 2 Ground 3 5V at 250 mA 4 Ground 5 Transmit 6 Receive 7 Ground 8 Ground 9 Transmit RING OUT 1 Not Used 2 Not Used 3 Receive 4 Transmit 5 Transmit 6 Receive 7 Not Used 8 Not Used RING IN 1 Not Used 2 No...

Page 31: ... be used to correctly compare the values given to those measured on any particular port If power levels are being measured with an Average Power Meter then 3 dBm must be added to the measurement to correctly compare those measured values to the values listed i e 30 5 dBm peak 33 5 dBm average RING OUT 1 Not Used 2 Not Used 3 Receive 4 Transmit 5 Transmit 6 Receive 7 Not Used 8 Not Used RING IN 1 N...

Page 32: ...et Receive Sensitivity 30 5 dBm 28 0 dBm Peak Input Power 7 6 dBm 8 2 dBm Transmitter Power 50 125 µm 13 0 dBm 15 0 dBm 13 0 dB 17 5 dB 62 5 125 µm 10 0 dBm 12 0 dBm 16 0 dB 20 5 dB 100 140 µm 7 0 dBm 9 0 dBm 19 0 dB 23 5 dB Error Rate Better than 10 10 Table 2 9 TPIM F3 Specifications Parameter Typical Minimum Maximum Transmitter Peak Wave Length 1300 nm 1270 nm 1330 nm Spectral Width 60 nm 100 n...

Page 33: ...alues given to those measured on any particular port When measuring power levels with an Average Power Meter add 3 dBm Fall Time 2 5 nsec 2 2 nsec 5 0 nsec Duty Cycle 50 1 49 6 50 7 Bit Error Rate Better than 10 10 Table 2 9 TPIM F3 Specifications Parameter Typical Minimum Maximum Receive Sensitivity dBm Less Power More Power 40 35 30 25 20 15 10 5 0 Maximum Receive Input Power Transmitter Power A...

Page 34: ...80C26 Static RAM 128 KB with battery back up EPROM 128 KB FLASH MEMORY 2 MB Upgradeable 2 5 1 Power Supply Requirements NOTE The MicroMMAC T has a universal power supply which will accept input power between 85 and 264 VAC 47 63 Hz The power supply has two outputs of 5 volts and 12 volts Maximum output power is 125 watts and the minimum efficiency is 65 under all conditions of line at full load Th...

Page 35: ...ents 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 ...

Page 36: ...ansport of the MicroMMAC T Thoroughly inspect the MicroMMAC T immediately If there are any signs of damage to the module contact Cabletron Systems Technical Support immediately 3 2 ATTACHING THE STRAIN RELIEF BRACKET Attach the strain relief bracket to the front of the MicroMMAC T as described 1 From the MicroMMAC T installation kit locate the strain relief bracket shown in Figure 3 1 and four 8 3...

Page 37: ...es high A single phase 85 to 264Vac 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...

Page 38: ...3 3 2 Wall Mounting the MicroMMAC T When wall mounting the MicroMMAC T the TCU ports must face downward Perform the following steps to wall mount the MicroMMAC T NOTE 1 4 inch Molly screw anchors for wall mounting are not included with the MicroMMAC T 1 Use the supplied screws to attach the wall mounting brackets to the bottom of the MicroMMAC T as shown in Figure 3 4 There are two brackets one fo...

Page 39: ...l mark the wall location for the four pilot holes 4 Set the MicroMMAC T aside and carefully drill four 1 4 pilot holes one for each of the Molly screw anchors and insert the four Molly screw anchors into the holes 5 Place a screw in each anchor and tighten until each anchor expands firmly in the wall then remove the screws completely 6 Position the MicroMMAC T on the wall over the anchors and rein...

Page 40: ...AC T has a universal power supply that allows it to use power sources from 85 Vac to 264 Vac 47 63 Hz To connect the MicroMMAC T to the power source plug the power cord into a grounded wall outlet After the MicroMMAC T runs a self test the CPU LED blinks green to indicate normal operation If the LED remains red the processor is faulty 3 5 RESETTING THE MICROMMAC T The MicroMMAC T reset button is l...

Page 41: ...ring speed switch is located on the front face of the MicroMMAC T as shown in Figure 3 7 The MicroMMAC T s factory default ring speed setting is 16 Mbps To change the ring speed 1 Slide the ring speed switch to the desired setting 2 RESET the MicroMMAC T 3 Check that the Ring Speed LED indicates the correct setting TOKEN RING HUB WITH LANVIEW SUPPORTING 100 OHM STP CABLE MicroMMAC 24T SPEED 4 Mb 1...

Page 42: ...red parameters such as IP address and device name Figure 3 8 NVRAM Reset Switch Location To restore MicroMMAC T parameters to the factory defaults 1 With power ON toggle the NVRAM switch from one position to the other Ring Speed LED Indicator On 16 Mbps Off 4 Mbps TOKEN RING HUB WITH LANVIEW SUPPORTING 100 OHM STP CABLE MicroMMAC 24T 4 Mb 16 Mb SPEED 4 Mb 16 Mb SPEED NVRAM RESET SWITCH IN HERE TOK...

Page 43: ...tion supporting STP cabling a Type 3 Media Filter is required The Cabletron Systems TRMF and TRMF 2 are available for this purpose The MicroMMACs 42T and 44T have shielded RJ45 lobe ports that support STP cabling Shielded patch cables that adapt a shielded RJ45 to a data connector MIC are available from Cabletron Systems PN 9372057 8 These adapter patch cables allow connection to an existing patch...

Page 44: ...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 1 8 RJ45 Plug 1 8 RJ45 Plug ...

Page 45: ... Block WIRING CLOSET OFFICE Token Ring Station Token Ring Network Interface Card Wall Jack UTP Lobe Cable WALL MicroMMAC 24T TRMF STP to UTP Type 3 Media Filter RO TOKEN RING HUB WITH LANVIEW SUPPORTING 100 OHM STP CABLE MicroMMAC 24T CPU ACT MGMT 16 Mb s COM 1 COM 2 ...

Page 46: ...rt on the MicroMMAC T as shown in Figure 3 12 Figure 3 12 MicroMMAC T Network Ports Patch Panel MIC Data Connector WIRING CLOSET OFFICE Token Ring Station Token Ring Network Interface Card Wall Jack STP Lobe Cable WALL MicroMMAC 44T RO TOKEN RING HUB WITH LANVIEW SUPPORTING 100 OHM STP CABLE MicroMMAC 24T CPU ACT MGMT 16 Mb s COM 1 COM 2 RI RO 6 5 4 3 2 1 18 17 16 15 14 13 TPIM T4 LNK TPIM T4 LNK ...

Page 47: ...pport 3 9 INSTALLING TPIM MODULES TPIMs provide specialized RI RO ports for trunk connections Each TPIM supports a different medium cable type Different TPIMs may be operated together for example a TPIM T1 can provide a Ring In port while a TPIM T4 provides a Ring Out port The following sub sections explain how to set the Phantom and RI RO Switches how to install a TPIM into a MicroMMAC T and how ...

Page 48: ...IBM 8228 MAU use the 0 setting Ensure that the Ring In Ring Out Switch is in the factory default RI RO position The MicroMMAC T does not support the Station S setting NOTE If the switch locations on the TPIM do not match the locations illustrated in Figure 3 13 refer to the TPIM Reference Card included with the TPIM The TPIM Reference Card outlines switch locations and settings For additional help...

Page 49: ...from the MicroMMAC T 5 Slide the new TPIM into place as shown in Figure 3 14 6 Ensure proper mating between the connectors on the rear of the module and on the inside of the MicroMMAC T 7 Reinstall the mounting screw Top View TPIM T1 TPIM T2 TPIM T4 Phantom Switch Settings 1 Cabletron Device Default 0 Non Cabletron Device RI RO Switch Settings RI RO Ring In Ring Out Default S Station Not Functiona...

Page 50: ...nect STP segments Before connecting a segment to the TPIM T1 confirm proper pinouts at each end of the segment To connect a TPIM T1 to a Twisted Pair Segment 1 Insert the DB9 connector on the segment into the DB9 port on the TPIM as shown in Figure 3 15 6 5 4 3 2 1 18 17 16 15 14 13 TPIM T1 LNK RI ...

Page 51: ...abled through the Local Management e If a link still cannot be established contact Cabletron Systems Technical Support 3 9 4 Connecting Twisted Pair Segments The TPIM T2 supports UTP cabling and the TPIM T4 supports STP cabling Both devices use the same method for connecting an RJ45 connector to an RJ45 port Before connecting a segment to the TPIM T2 T4 check each end of the segment to ensure the ...

Page 52: ...ocal Management e If a link still can not be established contact Cabletron Systems Technical Support 3 9 5 Connecting Fiber Optic Link Segments Use TPIMs F2 F3 to connect Fiber Optic Link segments When connecting a fiber optic link segment to the TPIM F2 or TPIM F3 consider the following Fiber optic link segments with ST connectors attach to ST ports much like BNC connectors attach to BNC ports Th...

Page 53: ...dirty clean them with alcohol using a soft clean lint free cloth To connect a fiber optic link segment to the TPIM F2 F3 1 Remove the protective plastic covers from the appropriate fiber optic ports on the module and from the ends of the connectors on each fiber strand 2 As shown in Figure 3 17 attach the fiber labeled 1 to the module s receive port labeled RX and attach the fiber labeled 2 to the...

Page 54: ...ks in the ring and that it is free from logical design errors a Check that each cable connection is secure and logically correct b Verify the pinouts for each connection c Use a cable tester to check the cable conductors for continuity 2 Check that all devices operating on the same network are set to the same ring speed 3 Ensure that the maximum number of stations is not exceeded 4 Ensure that the...

Page 55: ... Ring network Assign an IP address and subnet mask Set interface parameters for serial ports Local Management LM Serial Line Internet Protocol SLIP Uninterrupted Power Supply UPS and Telnet Designate which Network Management Stations NMS receive traps from the device Navigate through the Management Information Base MIB and manage the objects within it 4 1 MANAGEMENT TERMINAL REQUIREMENTS To access...

Page 56: ...e information about POWER UP DIAGNOSTIC tests To attach a management terminal to the MicroMMAC T 1 Attach the connecting cable s male RJ45 connector to either the COM 1 port or the COM 2 port on the MicroMMAC T as shown in Figure 4 1 2 Attach the female end 25 pin or 9 pin to the COM port on the terminal Figure 4 1 Management Terminal Connection 4 1 2 Management Terminal Setup Parameters Table 4 1...

Page 57: ...rminal Menu Function Selection Display Setup Columns 80 Columns Controls Interpret Controls Auto Wrap No Auto Wrap Text Cursor Cursor General Setup Mode VT 100 7 bit control Cursor Keys Normal Cursor Keys Communications Setup Transmit Transmit 9600 Receive Receive Transmit Bits Parity 8 Bits No Parity Stop Bit 1 Stop Bit Local Echo No Local Echo Port Data Leads Only Auto Answerback No Auto Answerb...

Page 58: ...ccess Local Management 1 Turn on the display terminal and then press the Return key The MicroMMAC T Local Management screen Figure 4 3 appears RJ45 COM 2 Port Pin 1 RJ45 COM 2 PORT 1 4 5 2 3 7 TRANSMIT RECEIVE RECEIVE TRANSMIT SIGNAL GROUND SIGNAL GROUND RJ45 TO 25 PIN CABLE 25 Pin Female D Shell Connector RING 6 8 2 2 RING 20 DATA TERMINAL READY DATA CARRIER DETECT DATA CARRIER DETECT 2 8 DATA TE...

Page 59: ...tools depends on the degree of access accorded that community name See Section 4 3 3 for more information about community names 4 2 1 Accessing Local Management via Telnet Once the MicroMMAC T is given a valid IP address see Section 4 3 2 for information on setting an IP address you can establish a Telnet session with Local Management from any TCP IP based node on the network uMMAC T Local Managem...

Page 60: ...anagement tools MAIN MENU Screen SETUP MENU Screen STATUS MENU Screen MAIN MENU Screen The MAIN MENU screen is the gateway to all other Local Management MENU screens and the tools they provide It also lets you access the DEVICE STATISTICS and Management Information Base MIB NAVIGATOR screens SETUP MENU Screen Selections from the SETUP MENU screen let you setup and manage system parameters establis...

Page 61: ... arrow keys to highlight a MENU option 2 Press the Return key The selected screen appears Setting or Modifying Local Management Screen Fields Local Management screen lets you set or modify and then save system fields or parameters singularly or globally Use the following procedures MAIN MENU RETURN SETUP MENU STATUS MENU DEVICE STATISTICS MIB NAVIGATOR uMMAC T Local Management Flash Image Version ...

Page 62: ...our changes the NOT SAVED PRESS SAVE TO KEEPYOUR CHANGES appears on the screen Exiting a Local Management Screen 1 Use the Tab key or arrow keys to highlight the RETURN command at the bottom of the screen 2 Press the Return key Local Management returns you to the previous MENU screen Exiting Your Local Management Session 1 Use the Tab key or arrow keys to highlight the RETURN command at the bottom...

Page 63: ... screen fields their functions and where applicable how to use them Setting the System Date Use this field to set the correct date uMMAC T Local Management Flash Image Version 01 00 01 SYSTEM LEVEL System Date 09 23 94 System Time 12 23 57 Host IP Address Subnet Mask Default Interface Default Gateway xxx xxx xxx xxx xxx xxx xxx xxx NONE DEFINED NONE DEFINED COM 1 Application LM COM 2 Application L...

Page 64: ...ey 3 If the format is invalid the message INVALID TIME appears Re type the time using the correct format 4 If the format is correct highlight the SAVE command and then press the Return key The SAVED message appears on the screen indicating that your changes have been saved to memory Setting the Host IP Address Use this field to set the Internet Protocol IP address for the MicroMMAC T NOTE Only a u...

Page 65: ...ress The MicroMMAC T directly addresses destinations within its own subnet The MicroMMAC T sends messages destined for other subnets to a router Use the Subnet Mask factory default setting 0 0 0 0 when the workstations designated to receive trap messages exist within the same subnet as the MicroMMAC Set a new value for the Subnet Mask when workstations designated to receive traps reside on a diffe...

Page 66: ...ss using the correct format 4 If the format is correct highlight the SAVE command and then press the Return key The SAVED message appears on the screen indicating that your changes have been saved to memory The MicroMMAC T will then do a soft reset Setting Automatic Beacon Recovery Process ABRP Fields Beaconing is part of a standard IEEE 802 5 Token Ring process by which a Token Ring LAN attempts ...

Page 67: ...acon Recovery Number of Retries Retry Interval The Beacon Recovery field indicates the current status of theABRP at the device The ABRP occurs for the MicroMMAC T ports and STH ports under MicroMMAC T control only ENABLED is the default setting in this field and indicates that the ABRP is currently active at the device DISABLED indicates that the ABRP is inactive at the device The Number of Retrie...

Page 68: ...al field 1 Highlight the Retry Interval field and type in an allowed value in increments of 7 only 2 Highlight the SAVE command and then press the Return key The SAVE message appears on the screen indicating that your selection was saved to memory and the new value of the field takes effect Setting COM 1 and COM 2 Applications You can select COM port settings for LM SLIP UPS Telnet or a modem 1 Hi...

Page 69: ...k Community Name and Ring Security Super User The user can view and edit all LM fields including community names which serve as Local Management passwords all SNMP objects and IP addresses If a user who lacks proper authorization attempts to edit a field the following message appears AUTHORIZATION PROHIBITSACCESS CAUTION Community Names are passwords to Local Management Remember your Community Nam...

Page 70: ...rs in length into the field If you press the Return key without entering a password the field defaults to Public 3 Highlight the SAVE command and then press the Return key The SAVED message appears indicating that your changes have been saved to memory 4 3 4 The SNMP TRAPS Screen Use the SNMP TRAPS screen Figure 4 7 to designate which remote management workstations will receive traps from the Micr...

Page 71: ...ets you enable the transmission of SNMP trap messages Setting SNMP Traps 1 Highlight the Trap Destination field 2 Enter the IP address of the station you want to receive traps from the MicroMMAC T The format for this entry is XXX XXX XXX XXX with the value of XXX ranging from 0 to 255 uMMAC T Local Management Flash Image Version 01 00 01 SNMP TRAPS Trap Destination Trap Community Name Enable Traps...

Page 72: ...nd traps from the MicroMMAC T to the destination workstation or N no to prevent traps from being sent 8 Highlight the SAVE command and then press the Return key The SAVED message appears indicating that your changes have been saved to memory 4 3 5 The RING SECURITY Screen The MicroMMAC T acts as the Ring Security Monitor for the entire ring Users who have Super User privileges can control access t...

Page 73: ...he Network Management Station NMS of the event The trap includes the new station s MAC address so that you can decide whether to retain the new station on the ring Each address you approve automatically becomes part of the ring s allowed list Later you can add more stations to the allowed list by temporarily disabling ring security then re enabling it using the Alarm Only feature NOTE Do not enabl...

Page 74: ...wed list and to edit single entries on the allowed list Security Mode Use this command to set the level of security for the ring Select from the following Security Modes Disabled Use this option to temporarily disable ring security so that new stations can enter the ring This is the factory default setting Alarm Only In this mode new stations can enter the ring but the NMS receives a station added...

Page 75: ... RETURN Use this command to exit the RING SECURITY screen and return to the SETUP MENU screen Changing the Security Mode 1 Highlight the Security Mode field 2 Toggle through options Disabled Alarm Only Remove Alarm and select the desired option 3 Highlight the SAVE EXECUTE command and then press the Return key The MicroMMAC T enables the selected mode of ring security The following message appears...

Page 76: ...ey to delete unwanted characters 3 Highlight the Add Del field and then select Add 4 Highlight the SAVE EXECUTE command and then press the Return key The new MAC address appears on the STATION ADDRESS allowed list Deleting Stations from the STATION ADDRESS Allowed List 1 Set ring security to the Alarm Remove mode 2 Highlight the Stn Edit field 3 Using the following format type the MAC address of t...

Page 77: ...tics from three separate counter modes ACCUMULATE This mode lets you initiate a new statistic count for a specified time period procedure described below DELTA This mode automatically displays statistics describing network performance since the last screen refresh 3 to10 seconds uMMAC T Local Management Flash Image Version 01 00 01 DEVICE STATISTICS TOTAL RING INFORMATION Frames Received 4572 Acti...

Page 78: ... at the lower left part of the screen 2 Highlight Clear and press the Return key The Date Clear and Time Clear fields change to reflect the beginning of the period over which you want to view device statistics Setting the Refresh Field This field displays the time interval between screen counter updates You can choose refresh intervals from 3 to 10 seconds 1 Highlight the REFRESH3sec field at the ...

Page 79: ...rs are soft ring errors that indicate the domain of a fault That is the active monitor can isolate the fault s region to the transmitting adapter the receiving adapter the cable and the components between them The errors are described below Line Errors This field displays the total line errors detected on the ring Line Errors are corrupted frames that are detected by a node This type of error norm...

Page 80: ...frames transmitted by a station This indicates that either the reporting node has detected an error on itself or there is an error with its NAUN or the cabling and wiring hubs between them Internal Errors This field displays the total internal errors detected by the adapter s hardware and or firmware These errors cause the adapter to remove itself from the ring and indicates a problem with the ada...

Page 81: ...to insert into the ring Ring Number This field displays the assigned number of rings on the network Stations on a Ring This field displays the number of stations inserted into the ring Ports Enabled This field displays the number of network lobe ports enabled Ring Speed This field displays the ring speed of the MicroMMAC T as either 4 Mb s or 16 Mb s NON ISOLATING ERRORS Non Isolating Errors are s...

Page 82: ...ecirculating frame or token The active monitor is responsible for purging the ring and issuing a new token Frequency Errors This field displays the total number of frequency errors This indicates that the frequency of the incoming signal deviates excessively from the adapter s onboard crystal oscillator It could indicate an error in this node s oscillator the active monitor or any node in between ...

Page 83: ... status information and let you selectively enable and disable ports when in the ADMINISTRATIVE mode Virtual Flexible Network Bus VFNB Use this field a quasi Network Bus located at the top of each the port status column under the device identifier to either bypass or activate a module or hub when in the ADMINISTRATIVE mode Possible VFNB screen configurations for Enabled modules are described as fo...

Page 84: ...elect ADMINISTRATIVE OPERATIONAL or RING OUT ENABLE screen status modes It is located within parentheses at the bottom of the screen ENABLE ALL PORTS ADMINISTRATIVE mode only Use this field to enable all MicroMMAC T and connected STH hub ports NEXT Use this field to scroll to the next screen PREVIOUS Use this field to scroll to the previous screen This field appears only after the NEXT command has...

Page 85: ...n The OPERATIONAL mode screen Figure 4 10 is a display only screen that shows the token ring access status of hub ports and devices By default the OPERATIONAL mode screen shows the status of ports 1 12 for the MicroMMAC T and attached STH hubs Figure 4 10 CHASSIS STATUS VIEW OPERATIONAL Screen Station ports on any module can be in either of the following four operational states CHASSIS STATUS VIEW...

Page 86: ... the wrap state there is no access to the ring trunk cable BRIMs and the MicroSNAC device can be in either of two operational states ENB or BYP To display the status of ports 13 24 1 Highlight the NEXT command and then press the Return key The screen displays the status of ports 13 24 for all modules 2 Highlight the PREVIOUS command and then press the Return key to return to the previous screen To...

Page 87: ...ility is useful for example when you want to establish a secondary ring to run at a slower data transmission speed or for segregating a user group sharing a common application or for security reasons Enabling or disabling ports simply turns them on and off Figure 4 11 CHASSIS STATUS VIEW ADMINISTRATIVE Screen To enable and disable select ports 1 Highlight the port status fields showing either ON o...

Page 88: ...e 1 Highlight the VFNB located under the module identifier 2 Use the spacebar to toggle from the horizontal dash character to the bypass mode identifier B make your selection and then press the Return key The entire module is bypassed from the Token Ring To reconnect a module to the token ring 1 Highlight the bypass mode identifier B 2 Toggle to the vertical dash character and then press the Retur...

Page 89: ...tation Access Unit MAU RI ports 4 3 8 The COMPONENT STATUS Screen The COMPONENT STATUS Screen Figure 4 13 displays the Administrative status of components operating in the MicroMMAC T CHASSIS STATUS VIEW RING OUT ENABLE 5 4 3 2 1 STH24 MMAC24 16Mb 16Mb s 1 RO 1 STN 2 RO 2 STN 3 RO 3 STN 4 RO 4 STN 5 RO 5 STN 6 STN 6 RO 7 STN 7 RO 8 STN 8 RO 9 STN 9 RO 10 STN 10 RO 11 STN 11 RO 12 STN 12 RO NEXT RI...

Page 90: ...ting and modifying the Management Information Base MIB structure MIBs are the databases of objects used for managing MicroMMAC T devices management systems uMMAC T Local Management Flash Image Version 01 00 01 COMPONENT STATUS Component Name Admin Status Chassis Mgr enabled Local Mgmt enabled SNMP Agent enabled Protocol Stack enabled Telnet enabled RMON enabled Network 1 enabled Network 2 enabled ...

Page 91: ...Return key The MIB NAVIGATOR screen appears showing the MIB Navigational and Built In commands listed in Table 4 2 To get help on specific commands Type help command and then press the Return key To escape from the MIB NAVIGATOR screen Type either of the Special commands done exit or quit at the prompt and press the Return key to return to the MAIN MENU screen Welcome to Cabletron MicroMMAC T Revi...

Page 92: ...ries within a MIB sub tree ctron This command changes directories to the Cabletron MIB dir ls show These commands display contents of a specified sub tree get This command provides you with a specified object value mib2 This command changes directories to MIB2 Table 4 2 MIB Commands Navigation Built In Special bran ch cd ctro n arp defroute netstat done dir get ls ping snmp branch snmpget quit mib...

Page 93: ...ami This command displays community name and access privileges to the MIB Built In commands Built In commands allow you to access and manage network devices connected to the device Commands are described as follows arp This command lets you access theAddress Resolution Protocol arp cache to view cache data delete entries or add a static route defroute This command lets you set the default IP route...

Page 94: ...plays all objects and their values in a device traceroute This command generates a TRACEROUTE request to an IP address 4 3 10 The FLASH DOWNLOAD Screen The FLASH DOWNLOAD Screen Figure 4 15 lets you upgrade the operating image for the device It allows you to chose a download method RUNTIME or DOWNLOAD to specify method dependent options to select a TFTP server and to select the name and location o...

Page 95: ...the image in Flash replacing the currently stored version while the management device is operational The process neither interrupts network operations nor affects the currently running LM application When the device is reset the new image takes effect To chose the RUNTIME method 1 Highlight the Download Method field 2 Toggle from BOOTPROM to RUNTIME if necessary using the spacebar uMMAC T Local Ma...

Page 96: ...replacing the Reboot after Download field If YES is chosen the device will automatically replace the old image in Flash with the new image If NO is chosen the new image will be downloaded into active memory only leaving the prior image in Flash unaffected and available for use at next reset The NO option allows the user to test a new system file without losing the prior system file Flash Image Ser...

Page 97: ...able 5 1 LANVIEW LEDS LED NAME LED COLOR DEFINITION Lobe Port Status Ports 1 24 Off Green Red Red blinking No Link Port Enabled Link Port Enabled No Link Port Disabled Link or Ring Speed Fault Port Disabled 16Mb s Ring Speed Yellow Off 16MbpsRing Speed 4 Mbps Ring Speed ACT Network Activity Green Flashing Red Flashing Off Good Frames Beacon Recovery Running No Activity MGMT Network Management Gree...

Page 98: ...ics Revision levels Hardware MAC address or locally administered address IP address Error conditions The LCD presents four types of messages Static System Messages Saved Alarm Messages Unsaved Initialization Messages Saved System Messages The following sections describe messages for each category DISPLAY TOKEN RING HUB WITH LANVIEW SUPPORTING 100 OHM UTP CABLE 24 23 12 11 MicroMMAC 24T CPU ACT MGM...

Page 99: ...xx xxx xxx Displays current IP address This can be changed via Local Management MAC Address xx xx xx xx xx xx Displays Hardware or MAC address RAM Image Rev xx xx xx Displays currently executing image Boot PROM Rev xx xx xx Displays internal Boot PROM version number Flash Programmed xx Times Displays number of times Flash EEPROM has been programmed COM 1 Baud Rate xxxxxx Displays COM 1 Port s curr...

Page 100: ...s default setting TPIM Inserted TPIM inserted into RI or RO TPIM Removed TPIM removed from RI or RO Stack x Inserted The x Stack inserted where x is any value from 2 to 5 Stack x Removed The x Stack removed where x is any value from 2 to 5 Stack x Port xx Violation Indicates unauthorized attempt to access net work lobe ports uMMACT Port xx Violation Indicates unauthorized attempt to access network...

Page 101: ...icates that a station has been removed from the ring as a result of the beacon recovery process Ring Port xx wrapped Indicates a TPIM RI or RO has Autowrapped Eagle Reinserting Indicates that the Eagle chip set is automatically being reinserted Fault Recovery Oscillation Indicates that the network has been in and out of a beaconing state several times Table 5 4 Unsaved Failure or Error Messages Me...

Page 102: ...button If the Display button is not pressed again for ten seconds the LCD defaults to the product name Table 5 5 Normal Unsaved Initialization Messages Messages Bit Swap Test MicroMMAC xx Cabletron Boot Complete Programming LRAM Boot From Flash RARP Req State BOOTP Discovery Test in Progress Eagle Test TFTP Complete Erasing Flash TFTP in Progress Flash Programmed TFTP Req State Hardware Init Writi...

Page 103: ...ion about LCDs The testing process generates information and displays it on your terminal The only time you can issue commands controlling the display of the information is when an error condition has been discovered Figure 5 2 shows the opening test information sequence of the POWER UP DIAGNOSTIC screen depicting an error condition message with response options that are discussed below Figure 5 2...

Page 104: ...ou continuously repeat the test that produced the error message until you decide to stop it by pressing the Delete key NOTE Call your Cabletron Technical Support representative whenever you discover a system level error To execute a response option Type an option letter at the prompt located at the end of the response option question and then press the Return key To return to Local Management Pres...

Page 105: ... Anwendung des Geraetes geeignet und der zum Benuetzen im Lande der Anwendung anerkannt ist SPANISH El cable principal de la red eléctrica utilizado con este equipo debe tener 2 conductores y 1 toma de tierra con un mínimo de 0 75 mm2 cada uno y necesita tener un aparato de acoplamiento standard IEC en un extremo y un enchufe para el cable principal de la red eléctrica en el otro extremo lo cual s...