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INTRODUCTION

1-7

Ring Bypassing

With port switching MIMs (e.g., TRXMIM) bypassing may also be
performed on a per-ring basis. For example, a MIM’s Ring 3 channel may
be bypassed (i.e., isolated) from the FNB while the MIM’s Ring 1,
Ring 2, and Ring 4 rings remain connected to their respective FNB
channels. This is called a ring bypass. If all channels are bypassed from
the FNB, the module is effectively in full module bypass.

Port Disabling

You can disable any port on any MIM in the MMAC, thus preventing any
device from using that port.

1.1.7 STATION Port Interface

The STATION port interface can be used as the management interface to
any of the rings that are isolated from FNB Ring 1 within the host MMAC
simply by connecting the interface cable to a MIMs lobe port. Because
the STATION port interface cable is movable, it can also be used to
monitor operational conditions on Token Rings outside the host MMAC.

≈

The STATION port interface can also:

•

Serve as a data connection for in-band communications with the
TRMM-2 (e.g., Telnet, remote management communications, TFTP
downloads).

•

Provide side-band management of the ring monitored by the FNB
interface.

See

Section 2.6

, for details on connecting a lobe cable to the STATION

port interface. See Appendix B for operational information on the
STATION port interface.

1.1.8 Ring Speed Assignments

The TRMM-2 assigns FNB ring speed settings (4 Mbps or 16 Mbps).
This sets the interface between MIMs and FNB rings. See

Section 2.2

for

details about the interaction of MIMs and the TRMM-2. The TRMM-2
can also set the speed of auxiliary rings through the Management
Information Base (MIB).

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Содержание TRMM-2

Страница 1: ...TRMM 2 TOKEN RING MANAGEMENT MODULE USER S GUIDE ...

Страница 2: ......

Страница 3: ...port interface On 16 Mbps Off 4 Mbps 3 Ring speed of FNB Ring 2 for all port switching MIMs On 16 Mbps Off 4 Mbps 4 Toggle to clear NVRAM 5 Unused 6 Unused 7 Ring speed of FNB Ring 3 for all port switching MIMs On 16 Mbps Off 4 Mbps 8 Ring speed of FNB Ring 4 for all port switching MIMs On 16 Mbps Off 4 Mbps JP1 JP2 FNB Ring 2 FNB Ring 4 FNB Ring 3 NVRAM Clear SW1 Station Port Interface 2 FNB Ring...

Страница 4: ...n is not left wrapped AMBER Left connection has been wrapped FNB Ring 1 segment has been isolated from all other MIMs 16 Mb AMBER Interface ring speed is set to 16 Mbps OFF Interface ring speed is set to 4 Mbps XMT Flashing GREEN Information transmission by the TRMM 2 Blinking RED Beaconing condition on the ring OFF Interface is inactive RED Interface is disabled RCV Flashing AMBER Network activit...

Страница 5: ...EN The module has passed its power check AMBER Performing diagnostic checks It will stay here for a while Cycles through AMBER OFF GREEN and OFF for a while Testing and booting period has begun Momentarily to RED but continues cycling The module has detected errors during the start up sequence but has continued the process If blinking RED continuously The module has failed self tests GREEN Testing...

Страница 6: ...TRMM 2 QUICK REFERENCE QR 4 ...

Страница 7: ...names mentioned in this manual may be trademarks or registered trademarks of their respective companies FCC NOTICE This device complies with Part 15 of the FCC rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation NOTE This equipmen...

Страница 8: ...ems Inc Cabletron that sets forth your rights and obligations with respect to the Cabletron software program the Program contained in this package The Program may be contained in firmware chips or other media BY UTILIZING THE ENCLOSED PRODUCT YOU ARE AGREEING TO BECOME BOUND BY THE TERMS OF THIS AGREEMENT WHICH INCLUDES THE LICENSE AND THE LIMITATION OF WARRANTY AND DISCLAIMER OF LIABILITY IF YOU ...

Страница 9: ...ABLETRON HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES BECAUSE SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES OR ON THE DURATION OR LIMITATION OF IMPLIED WARRANTIES IN SOME INSTANCES THE ABOVE LIMITATIONS AND EXCLUSIONS MAY NOT APPLY TO YOU UNITED STATES GOVERNMENT RESTRICTED RIGHTS The enclosed product a was developed solely at priv...

Страница 10: ...2 1 EN 60950 Equipment Type Environment Networking Equipment for use in a Commercial or Light Industrial Environment We the undersigned hereby declare under our sole responsibility that the equipment packaged with this notice conforms to the above directives Manufacturer Legal Representative in Europe Mr Ronald Fotino Mr J Solari ___________________________________ ________________________________...

Страница 11: ...Port Interface 1 7 1 1 8 Ring Speed Assignments 1 7 1 1 9 Automatic Configuration At Power Up 1 8 1 1 10 RMON Functionality 1 8 1 1 11 SNMP Traps 1 8 1 1 12 Ring Security 1 8 1 1 13 Automatic Beacon Recovery Process ABRP 1 9 1 1 14 Access To MIB Libraries 1 9 1 1 15 TFTP Download Of Flash Image 1 9 1 1 16 UPS Monitoring 1 9 1 2 User Access To Management Controls 1 10 1 2 1 COM Ports 1 10 1 2 2 Tel...

Страница 12: ... 2 Assigning A Host IP Address 2 12 2 7 3 Inputting The STATION Port Interface Connection Location 2 12 2 8 Choosing A Hub Configuration 2 13 2 8 1 Auto Configuration 2 14 2 8 2 Collapsed Backbone Configuration 2 14 2 8 3 Split Hub Configuration 2 14 2 9 Connecting A UPS 2 15 2 10 Power On Diagnostics 2 16 CHAPTER 3 MONITORING AND TROUBLESHOOTING 3 1 LANVIEW LEDs 3 1 3 1 1 CPU Central Processor Un...

Страница 13: ...5 A Sample Configuration A 6 APPENDIX B STATION PORT INTERFACE B 1 Connections Within The Host MMAC B 1 B 1 1 Connections To Single Ring MIMs B 2 B 1 2 Connections To Port Switching MIMs B 3 B 2 Connections Outside The Host MMAC B 4 B 3 Side Band Management B 5 APPENDIX C BEACONING PROTECTION AND RECOVERY APPENDIX D SPECIFICATIONS AND SETUP REQUIREMENTS D 1 TRMM 2 Specifications D 1 D 2 LM Termina...

Страница 14: ...CONTENTS viii ...

Страница 15: ...ts DOCUMENT CONVENTIONS The following conventions are used throughout this document Bold Italics are used for references to Cabletron Systems documents and other publications NOTE Note calls your attention to information of special importance TIP Tip gives you a helpful hint concerning procedures or actions CAUTION Caution calls your attention to information you should heed to avoid damaging softw...

Страница 16: ...oubleshooting provides instructions for using LANVIEW LEDs It also describes procedures to be performed if problems emerge after the installation of the TRMM 2 Appendix A Introduction To Multiple Ring MMAC Functionality discusses the concepts of port switching differences between switching and single ring MIMs and presents a sample configuration Appendix B STATION Port Interface describes the uses...

Страница 17: ...above can be obtained from the World Wide Web in Adobe Acrobat Portable Document Format PDF at the following site http www cabletron com manuals These manuals are also available on the Cabletron Systems Hardware Manuals CD ROM GETTING HELP If you need additional support related to this device or if you have any questions comments or suggestions concerning this manual contact the Cabletron Systems ...

Страница 18: ...resolve the problem e g changing mode switches rebooting the unit etc The serial and revision numbers of all involved Cabletron Systems products in the network A description of your network environment layout cable type etc Network load and frame size at the time of trouble if known The device history i e have you returned the device before is this a recurring problem etc Any previous Return Mater...

Страница 19: ...Multi Media Access Center MMAC Also it can assign ports to different rings on port switching MIMs and provide error monitoring of each ring on which it has an interface one of which may be external to the host MMAC The TRMM 2 is 802 5 and IBM compliant Figure 1 1 TRMM 2 Management Module TRMM 2 SN TOKEN RING RESET S T A T I O N R I N G 1 C O M 1 C O M 2 ...

Страница 20: ...from beaconing conditions automatically Ring Security options that allow you to regulate access to your networks SNMP compliance Auto configuration options at initial power on or after clearing NVRAM that allow you to automatically configure a collapsed backbone or two independent Token Rings A power on Learn Mode that determines and maintains the configuration of any port switching MIMs in the MM...

Страница 21: ...overy process corrects the ring poll failure condition the trap notifies the NMS that the condition was corrected and specifies the offending station s MAC address and the port on the hub to which the offending station was connected If the offending station cannot be definitively removed from the ring by the recovery process that is if the offending station repeatedly attempts to re insert before ...

Страница 22: ...B Ring 3 and Ports 10 12 are assigned to FNB Ring 4 Figure 1 2 Sample Port Station Assignments To The FNB Rings Configuration A In Figure 1 3 configuration B Port 2 is assigned from FNB Ring 1 to FNB Ring 3 and Port 9 is assigned from FNB Ring 3 to FNB Ring 1 S WITCHING UTP STP TOKEN RING ERR 16 Mb BYP MGMT RING 4 16 Mb 16 Mb 16 Mb 16 Mb 16 Mb RING 2 RING 1 RING 3 AUX 2 AUX 1 IN USE 22 DR SN IN US...

Страница 23: ...menting the FNB This is sometimes called ring wrapping For example the FNB shown in Figure 1 4 has been segmented between the MMAC s Slots 5 and 6 The resulting segmented portions of the FNB remain fully functional but they do not communicate with each other Thus you can increase the number of Token Ring LANs operating in the MMAC by segmenting the FNB S WITCHING UTP STP TOKEN RING ERR 16 Mb BYP M...

Страница 24: ...ng and Port Disabling Module Bypassing The TRMM 2 allows you to create more isolated LANs by deliberately bypassing a MIM s ring connection from the FNB For example in the configuration represented in Figure 1 4 the MIM in Slot 4 is bypassed from the FNB NOTE Having a MIM in module bypass mode does not necessarily mean that the MIM is devoid of network activity Even if all rings are bypassed from ...

Страница 25: ... by connecting the interface cable to a MIMs lobe port Because the STATION port interface cable is movable it can also be used to monitor operational conditions on Token Rings outside the host MMAC The STATION port interface can also Serve as a data connection for in band communications with the TRMM 2 e g Telnet remote management communications TFTP downloads Provide side band management of the r...

Страница 26: ...mote Monitoring MIB statistical monitoring on all interfaced LANs See Appendix E for a listing of supported MIBs Using the STATION port interface to make the connection the TRMM 2 can perform RMON monitoring on any Token Ring network within a cable s reach 1 1 11 SNMP Traps The TRMM 2 operates as a Ring Error Monitor REM collecting data on the network monitoring performance conditions and noting s...

Страница 27: ...vailable with the TRMM 2 A list of supported MIBs is provided in Appendix E See the TRMM 2 Local Management User s Guide for further information on the use of the MIB Navigator tool 1 1 15 TFTP Download Of Flash Image The firmware in the TRMM 2 sometimes referred to as the flash image is the module s operating system file Using the Local Management Flash Download screen this file may be replaced o...

Страница 28: ...ide provides all necessary procedures for accessing the Local Management application 1 2 1 COM Ports There are two RJ45 connector COM Communications ports on the front panel that provide local out of band EIA RS232C connections to the TRMM 2 Using Local Management you may select from two COM port applications LM or UPS Also both COM ports can support a modem connection LM When configured for LM de...

Страница 29: ...h any remote SNMP network management software package including Cabletron Systems SPECTRUM family The TRMM 2 serves as the in band SNMP management agent for both interfaced networks 1 3 FRONT PANEL FEATURES The front panel of the TRMM 2 has a LANVIEW LED system and a reset button 1 3 1 LANVIEW LEDs The LANVIEW LED system comprises several LEDs located on the front panel of the TRMM 2 Operating as ...

Страница 30: ...INTRODUCTION 1 12 ...

Страница 31: ...figuration Connecting a UPS so it can be monitored by the TRMM 2 2 1 UNPACKING AND HANDLING THE TRMM 2 To unpack the TRMM 2 1 Carefully remove the module and other items from the shipping box You should have the following items TRMM 2 module Disposable grounding wrist strap CAUTION Electrostatic Discharge ESD can damage the TRMM 2 To prevent ESD damage when handling the module Wear the grounding w...

Страница 32: ...e Preface if you detect any damaged or missing parts 2 2 SETTING SWITCHES AND JUMPERS Switchblock 1 SW1 shown in Figure 2 1 contains switches that Set the speed of FNB rings Set the STATION port interface ring speed Clear NVRAM 2 2 1 Setting FNB Ring Speeds Switches 1 3 7 and 8 set the ring speeds for the FNB Rings Table 2 1 These settings may override hardware speed settings on port switching MIM...

Страница 33: ... Position Ring Speed Ring 1 1 On 16 Mbps Off 4 Mbps Ring 2 3 On 16 Mbps Off 4 Mbps Ring 3 7 On 16 Mbps Off 4 Mbps Ring 4 8 On 16 Mbps Off 4 Mbps Note Default settings in bold JP1 JP2 FNB Ring 2 FNB Ring 4 FNB Ring 3 NVRAM Clear SW1 Station Port Interface 2 FNB Ring 1 Interface 1 unused JP2 Forced Network Download SW1 Switchblock 1 ...

Страница 34: ...download Any repositioning of JP2 will cause the TRMM 2 to initiate a network download If no BootP server responds the TRMM 2 will continue to send BootP requests until it is reset Upon reset it will send BootP requests less than eleven times If no BootP server responds the TRMM 2 will resume normal operation booting from the Flash memory instead Consult Figure 2 1 for the location of the JP2 jump...

Страница 35: ... be overridden MIM rings set to a different speed than FNB rings at power on are bypassed from the FNB Any later attempt to use the switches and jumper of a MIM to set its configuration will be overridden until the management module s NVRAM is cleared or a different type of MIM is installed 2 4 INSTALLING THE TRMM 2 MANAGEMENT MODULE The following guidelines are helpful in configuring the system a...

Страница 36: ...orrectly you should be able to feel the management and FNB interface connectors on the TRMM 2 insert smoothly and snugly into their respective connectors on the MMAC backplane The front panel of the TRMM 2 should align with the front panels of other installed modules TIP It is recommended that you perform the initial installation with the MMAC not powered on CAUTION Never use more than the minimal...

Страница 37: ...nto The MMAC 3 Secure the TRMM 2 to the MMAC by tightening the knobs on the TRMM 2 Failure to tighten down the knobs may result in a faulty connection to the MMAC backplane TRMM 2 LEDs light in accordance with the existing configuration TRMM 2 SN TOKEN RING RESET S T A T I O N R I N G 1 C O M 1 C O M 2 ...

Страница 38: ... Upon successful completion of the boot up procedure the CPU LED should return to blinking GREEN If the CPU LED fails to return to blinking GREEN at the end of the boot self test sequence note which LEDs are lit and consult Section 3 1 Figure 2 5 Reset Button On Front Panel 2 6 ATTACHING THE STATION PORT INTERFACE If you want the TRMM 2 to manage another ring either internal or external to the hos...

Страница 39: ...2 6 STATION Cable Attachment To TRXMIM Port MMAC M8FNB 16 X 17 18 X 3 X 4 X 6 X 5 X 15 X X 7 X 19 X TRXMIM 24A Lobe Port RJ45 Connector TRMM 2 STATION Port DB9 Connector STATION Connector Cable RJ45 To DB9 Adaptor SN S WITCHING UTP STP TOKEN RING ERR 16 Mb BYP MGMT RING 4 16 Mb 16 Mb 16 Mb 16 Mb 16 Mb RING 2 RING 1 RING 3 AUX 2 AUX 1 1 X 7 X 9 X 11 X 13 X 15 X 17 X 19 X 21 X 23 X 8 X 12 X 10 X 14 ...

Страница 40: ...Ring 2 Figure 2 7 Attaching A Cable To The STATION Port Interface Using A TRMF 2 Media Filter 2 7 CONFIGURING THE TRMM 2 USING LM This section provides a quick reference for LM configurations to complete the installation Detailed instructions are provided in the TRMM 2 Local Management User s Guide NOTE The length of the STATION port interface cable is limited by the device to which it is attached...

Страница 41: ... 5 Press the Enter or Return key to enter the Main Menu screen The default password is no entry If the TRMM 2 has been configured before a password may be required 6 To disconnect from Local Management disconnect the cable or quit the emulator program Figure 2 8 Connecting The Terminal Cable To The TRMM 2 Local Management Console Local Management Cable ERR 16 Mb SN BYP MGMT RING 4 16 Mb 16 Mb 16 M...

Страница 42: ...ng The STATION Port Interface Connection Location To execute physical control such as ring security and beacon recovery over a second Token Ring you must install the STATION port interface connection according to the guidelines defined in Appendix B and provide a physical location slot and port number of the STATION port interface connection 1 Enter the System Level screen as described in Section ...

Страница 43: ...OTE The Configuration screen appears for 60 seconds In order to freeze the screen so you can make selections press the Spacebar on the keyboard USER ALERT No MMAC hub MIM configuration information is saved in this management module MULTI RING MIMs The management module will query each Multi Ring MIM for port configuration with the following options COLLAPSED BACKBONE Each MIM contains isolated rin...

Страница 44: ...for these rings to communicate To implement a Collapsed Backbone 1 Install a new TRMM 2 or clear NVRAM on one that is configured and install it The Configure as SPLIT HUB or COLLAPSED BACKBONE y n message appears 2 Press Y The Configure a SPLIT HUB allowing two Token Rings to exist y n message appears 3 Press N The Configure as COLLAPSED BACKBONE Hub y n message appears 4 Press Y The Hub Reconfigu...

Страница 45: ...egins second ring 2 8 message appears 4 Enter the slot number The second ring will begin at that slot If you enter a slot that contains a port switching MIM the INVALID character x message appears Re enter a correct slot The Is this correct y n message appears 5 Press Y The Configuring as Split Hub message appears 2 9 CONNECTING A UPS The TRMM 2 can be used to monitor a UPS It must be connected to...

Страница 46: ...uence the TRMM 2 performs diagnostic hardware testing The progress of this testing can be monitored by connecting an LM terminal to the COM2 Port Some examples of the tests performed by the TRMM 2 are Memory tests SCC console tests Timer tests Token Ring adapter tests ...

Страница 47: ... LANVIEW LEDs are a built in visual diagnostic system of colored LEDs which are used for monitoring module and network status Figure 3 1 shows the location of the LEDs Table 3 1 lists the LEDs and their function Figure 3 1 LANVIEW LEDs NOTE A blinking LED cycles steadily between on and off The flashing rate of an LED depends on the monitored factors e g data flow and is variable A rapidly flashing...

Страница 48: ...g and booting are nearly complete Blinking GREEN Operational RED Module is resetting or has detected an error Blinking RED Module has failed self tests LWRP OFF The left connection is not left wrapped AMBER Left connection has been wrapped FNB Ring 1 interface has been isolated from all other MIMs 16 Mb AMBER Interface ring speed is set to 16 Mbps OFF Interface ring speed is set to 4 Mbps XMT Flas...

Страница 49: ...dicates ring speed AMBER indicates that the interface ring speed is set to 16 Mbps OFF indicates that the ring speed is set to 4 Mbps Table 3 2 CPU LED Operational States State s Meaning OFF The module is not receiving power Briefly turns RED The module is resetting GREEN The module has passed its power check AMBER Performing diagnostic checks It will stay here for a while Cycles through AMBER OFF...

Страница 50: ...ring 3 1 5 RCV Receive The RCV LED flashes AMBER for every data packet received regardless of source or destination It indicates the load on the network RED indicates a disabled port Blinking RED simultaneously with the XMT LED indicates the interface is trying to insert into the ring OFF indicates that the port is inactive 3 1 6 NSRT Insert The NSRT LED indicates interface activity GREEN indicate...

Страница 51: ...t module or the terminal Check each cable connection Try a different cable Ensure you are using the correct adapters Verify the pinouts for every connection Check the cable conductors for continuity using a cable tester designed for this task Confirm that the MMAC and the LM terminal are connected to the proper AC power source 120 Vac or 240 Vac and are powered on 3 2 2 No Response To Remote Manag...

Страница 52: ...red the STATION port interface as described in the The TRMM 2 Local Management User s Guide Use each NSRT LED to verify the management interfaces are inserted and participating in the ring If the problem is with Interface 1 verify that the LWRP LED is unlit indicating the TRMM 2 is not isolated from FNB Ring 1 Failure of a management interface to insert may indicate a beaconing ring The TRMM 2 wil...

Страница 53: ... no connection If neither of these conditions occurred remove and then re insert MIMs to resolve the problem Use the LEDs to ensure that you configured the hub as intended Does the MGMT LED s show MIMs under TRMM 2 control Does each 16 Mb LED indicate that each ring has been set to the correct speed Use the BYP and ACT LED s to verify which rings are in bypass and or active Ensure MIMs are install...

Страница 54: ... Token Ring stations Are the network cards correctly configured and installed Check the cable conductors for continuity Use cable testers designed for this task Ensure that the maximum cable lengths specified for the media types used in the installation and also the maximum number of stations supported are not exceeded The cable lengths and station counts for MIMs in the installation are discussed...

Страница 55: ...ation Reduces contention for the token Prevents the propagation of errors across the network A 2 THE FLEXIBLE NETWORK BUS FNB The FNB is a data bus which spans the entire width of the MMAC The FNB contains four vertically stacked independent Token Rings Only port switching MIMs can access FNB Rings 2 through 4 The FNB provides connectivity between MIMs on the same ring A 2 1 New Terminology The fo...

Страница 56: ...d FNB Rings Each port switching MIM such as the TRXMIM makes use of additional pins in its FNB connector to create four vertically stacked parallel FNB rings as illustrated in Figure A 2 with simultaneous access to four FNB rings Port switching MIMs switch each of their ports to one of these FNB rings providing all users with access to multiple rings Each FNB ring is an isolated Token Ring and the...

Страница 57: ...g And Multi Ring Connectivity Port Switching MIMs FNB Ring 1 FNB Ring 2 FNB Ring 3 FNB Ring 4 TRMM 2 TRXMIM 24A TRXMIM 24A TRXMIM 24A TRXMIM 24A TRXMIM 24A TDRMIM 22A TDRMIM 22A TRMIMs TRXMIMs FNB Ring 1 FNB Ring 2 TRMIM 24A TRMIM 24A TRMIM 24A TRMIM 24A TRXMIM 24A TRXMIM 24A TRXMIM 24A FNB Ring 3 FNB Ring 4 Segmented FNB Ring 1 TRMM 2 ...

Страница 58: ...3 or 4 Installing a single ring MIM between port switching MIMs stops communication on FNB Rings 2 3 and 4 splitting these rings into separate Token Rings on either side of the single ring MIM Therefore it is recommended that all port switching MIMs be grouped together in the right most MIM slots Single ring MIMs can still segment FNB Ring 1 as shown in Figure A 3 They view the FNB as having only ...

Страница 59: ...iliary ring Auxiliary rings are useful to provide a dedicated ring for the transfer of large amounts of data as occurs when backing up servers A 4 3 Bypassed Rings A management module can bypass prevent communication among any port switching MIM from any or all of the FNB rings Any station connected to a bypassed ring will not communicate with FNB rings it can however communicate with other statio...

Страница 60: ...RING 1 RING 3 AUX 2 AUX 1 1 X 3 X 5 X 7 X 9 X 11 X 13 X 15 X 17 X 19 X 21 X 23 X 2 X 4 X 6 X 8 X 12 X 10 X 14 X 16 X 18 X 20 X 22 X 24 X S WITCHING UTP STP TOKEN RING ACT ACT ACT ACT ACT ERR 16 Mb ACT SN BYP MGMT RING 4 16 Mb 16 Mb 16 Mb 16 Mb 16 Mb RING 2 RING 1 RING 3 AUX 2 AUX 1 1 X 3 X 5 X 7 X 9 X 11 X 13 X 15 X 17 X 19 X 21 X 23 X 2 X 4 X 6 X 8 X 12 X 10 X 14 X 16 X 18 X 20 X 22 X 24 X S WITC...

Страница 61: ...e is not attached FNB Ring 1 is always fully managed however the STATION port interface must be connected for the TRMM 2 to monitor a second Token Ring You must use the Local Management application to designate the location of the STATION port interface or the TRMM 2 will not Report the Active Monitor of the ring Provide ABRP Report the ring status it is listed as Closed NOTE The STATION port inte...

Страница 62: ...ON Port Interface Valid Connection To Single Ring MIM NOTE The STATION port interface may be linked to any single ring MIM that is isolated from the ring that the FNB interface is monitoring FNB Ring 1 The LM application will not accept the slot port location of the STATION port interface connection of a port that is assigned to FNB Ring 1 FNB Ring 1 FNB Ring 2 TRMIM 24A TRMIM 24A TRMIM 24A TRMIM ...

Страница 63: ...N port interface is connected to any one of the different rings See Figure B 3 for an example of a valid connection to a port switching MIM NOTE The STATION port interface can connect to any lobe port that is not assigned to a ring managed by the FNB management interface FNB Ring 1 FNB Ring 2 TRMIM 24A TRMIM 24A TRMIM 24A TRMIM 24A TRXMIM 54A TRXMIM 54A TRXMIM 54A FNB Ring 3 FNB Ring 4 Segmented F...

Страница 64: ...Security and general statistical reporting functions on the ring but does not provide concentrator specific information e g Ports Enable Also there are several functional limitations besides not being able to physically configure the external ring the TRMM 2 cannot perform Port assignment switching Port ring module bypassing Port disabling Automatic Beacon Recovery Ring speed configuration FNB Rin...

Страница 65: ...nt through the STATION port interface and fully manage the FNB Ring 1 LAN without consuming or even accessing any bandwidth on FNB Ring 1 Side band management enables a network manager to provide total remote network management services with total data confidentiality Consider the following example As illustrated in Figure B 4 a company leasing floors of an office building offers network managemen...

Страница 66: ...nagement Station MMAC TRMM 2 MMAC TRMM 2 MMAC TRMM 2 MMAC To STATION Port Interface with Management data only management agent on Client s TRMM 2 To TCU on management services network Client s LAN Floor 6 Client s LAN Floor 5 Client s LAN Floor 4 Network Management Services LAN ...

Страница 67: ...ssive error frames Beacon Claim Token or Purge MAC frames on the ring that is frames exceeding tolerable thresholds associated with normal ring functioning The ABRP consists of a set of recovery algorithms each one employs a distinct troubleshooting method for determining the origin of error frames Using an iterative process the ABRP launches the first recovery algorithm and only then initiates ea...

Страница 68: ...tically re enabled If the error frames persist after all ring ports are disabled then the ABRP launches Algorithm 2 2 Check Recently Inserted Stations The ABRP sequentially disables only those lobe ports into which stations were inserted within the 60 seconds preceding the appearance of error frames on the ring If hard error frames disappear immediately after a lobe port is disabled then that port...

Страница 69: ...Local Storage 1 MB expandable to 12 MB Dimensions 11 5 in H x 1 in W x 13 4 in D 29 4 cm H x 2 56 cm W x 34 4 cm D Weight 2 0 lb 0 91 km D 2 LM TERMINAL SETUP REQUIREMENTS Any actual or emulated Digital Equipment Corporation VT100 series terminal configured as defined below will support access to Local Management LM through a COM port set to its LM configuration NOTE All conditions guidelines and ...

Страница 70: ...Table D 1 Table D 1 Settings For LM Terminal Menu Item Function Selection DISPLAY SETUP Columns 80 Columns Controls Interpret Controls Auto Wrap No Auto Wrap Text Cursor Cursor GENERAL SETUP Mode VT100 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 ...

Страница 71: ...ws the pinouts for the COM ports Figure D 3 shows the cable wiring patterns for RJ45 to DB25 Figure D 4 shows the wiring patterns for RJ45 to DB9 crossover cables The maximum cable length from the COM port to any device is 50 feet Pinouts for connection to a PC VT Series terminal modem and UPS are shown in Tables D 2 through D 5 Figure D 2 RJ45 COM Port Pin Signal Assignments For The TRMM 2 1 2 3 ...

Страница 72: ...5 To DB25 VT Series RJ45 DB25 Female Pin Description Pin Description 1 Transmit 3 Receive 2 Data Carrier Detect 20 Data Terminal Ready 4 Receive 2 Transmit 5 Ground 7 Ground 6 Data Terminal Ready 5 Clear to Send RJ45 Plug 1 8 25 14 1 13 Female 25 Pin D Shell RJ45 Connector DB25 Connector RJ45 Connector DB9 Connector RJ45 Plug 1 8 1 5 9 6 Female 9 Pin D Shell ...

Страница 73: ...rrier Detect 7 Ready to Send 4 Receive 3 Transmit 5 Ground 7 Ground 6 Data Terminal Ready 8 Clear to Send Table D 4 RJ45 To DB25 Modem RJ45 DB25 Female Pin Description Pin Description 1 Receive 2 Transmit 2 Data Transmit Ready 8 Data Carrier Detect 4 Transmit 3 Receive 5 Ground 7 Ground 6 Clear to Send 20 Data Terminal Ready 8 22 Ring Indicator ...

Страница 74: ...5 REGULATORY COMPLIANCE The TRMM 2 meets the following requirements Safety UL1950 CSA C22 2 No 950 EN 60950 IEC 950 and 73 23 EEC Electromagnetic Compatibility EMC FCC Part 15 EN 55022 CSA C108 8 VCCI V 3 EN 50082 1 and 89 336 EEC D 6 YEAR 2000 COMPLIANCE The TRMM 2 is Year 2000 Compliant Table D 5 RJ45 To DB9 UPS RJ45 DB9 Female Pin Description Pin Description 1 Transmit 1 Receive 4 Receive 2 Tra...

Страница 75: ...information about devices data traffic and events on the ring You can activate RMON in the TRMM 2 through any remote management application that has RMON configuration capabilities Cabletron Systems SPECTRUM Element Manager for the TRMM 2 for example The groups are organized into three components To implement associated RMON groups you enable the component containing the groups RMON component grou...

Страница 76: ...of hosts in specific categories Matrix Group Records statistics on communications between hosts Capture Component Filter Group Compares packets on the ring to criteria specified in a filter expression to determine whether packets need to be captured for analysis Packet Capture Group Performs the capture of packets meeting criteria specified by the Filter Group NOTE To implement RMON functions prov...

Страница 77: ...e Alarm rmon 3 Alarm Table Host rmon 4 Host Control Table Host Table Host Time Table HostTopN rmon 5 HostTopN Control Table HostTopN Table Matrix rmon 6 Matrix Control Table Matrix SD Table Matrix DS Table Filter rmon 7 Filter Table Channel Table Capture rmon 8 Buffer Control Table Buffer Table Event rmon 9 Event Table Log Table Token Ring rmon 10 Ring Station Control Table Ring Station Table Ring...

Страница 78: ...SUPPORTED MIB GROUPS E 4 ...

Страница 79: ...ocument conventions ix organizational structure x E Electrostatic discharge 2 1 F Flash image downloading with TFTP 1 9 FNB a description A 1 ring speed settings 2 2 segmenting for additional rings 1 5 1 6 terminology A 1 Forced Network Download jumper JP2 setting 2 4 G Getting help xi Grounding wrist strap 2 2 H Hub configuration auto option default 2 14 collapsed backbone option 2 14 split hub o...

Страница 80: ...oll failure recovery 1 3 Ring security setting with Local Management 1 8 Ring speed assignments 1 7 Rings auxiliary A 5 bypassed A 5 FNB A 4 RMON functionality using STATION port interface 1 8 S SNMP traps setting with Local Management 1 8 STATION port interface an overview 1 7 attaching 2 8 2 9 2 10 connection to single ring MIMs B 2 connections to port switching MIMs B 3 external connections B 4...

Страница 81: ...INDEX IX 3 U UPS connection 2 15 V VT100 series terminal setup requirements to access LM D 1 D 2 W Wrist strap anti static 2 1 ...

Страница 82: ...INDEX IX 4 ...

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