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INTRODUCTION TO MULTIPLE-RING MMAC FUNCTIONALITY

A-5

A.4.2 Auxiliary Rings

Each port switching MIM has two auxiliary rings. These rings never
communicate with FNB rings, unless through an external device such as a
switch or router. A station on an auxiliary ring can only communicate
with stations attached to the same MIM and assigned to the same
auxiliary 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 stations on that bypassed ring).
For example, stations attached to Ring 2 on a bypassed MIM will not
communicate with stations on MIMs inserted into FNB Ring 2.

A.5 A SAMPLE CONFIGURATION

The purpose of the port switching family of MIMs is to segment traffic
and provide the advantages described in

Section A.1

. As an example

configuration,

Figure A-4

shows an MMAC configured with multiple

rings. The users of each ring typically share a server. One of these user
groups is attached to a MAU that is connected to a TRXMIM port that has
been configured as a RO port. The switch provides the communication
among rings.

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Содержание TRMM-4

Страница 1: ...TRMM 4 TOKEN RING MANAGEMENT MODULE USER S GUIDE BOOKTITLE2 OPTIONAL ...

Страница 2: ......

Страница 3: ... FNB Ring 2 for all port switching MIMs On 16 Mbps Off 4 Mbps 3 Ring speed of FNB Ring 3 for all port switching MIMs On 16 Mbps Off 4 Mbps 4 Ring speed of FNB Ring 4 for all port switching MIMs On 16 Mbps Off 4 Mbps 5 Unused 6 Toggle to initiate a Forced Network Download 7 Toggle to clear NVRAM 8 Toggle to reset passwords to defaults FNB Ring 1 FNB Ring 4 FNB Ring 2 FNB Ring 3 Unused Forced Networ...

Страница 4: ... 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 Flashing GREEN Information transmission by the TRMM 4 Blinking RED Beaconing condition on the ring OFF Interface is inactive RED Interface is disabled RCV Flashing AMBER Network activi...

Страница 5: ... 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 a...

Страница 6: ...TRMM 4 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: ...rk Interfaces 1 7 1 1 8 Ring Speed Assignments 1 7 1 1 9 Automatic Configuration At Power Up 1 7 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 8 1 1 14 Access To MIB Libraries 1 8 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 9 1 2 1 COM Ports 1 9 1 2 2 Telnet...

Страница 12: ...n 2 8 2 6 2 Assigning A Host IP Address 2 9 2 7 Choosing A Hub Configuration 2 10 2 7 1 Auto Configuration 2 10 2 7 2 Collapsed Backbone Configuration 2 11 2 7 3 Split Hub Configuration 2 12 2 8 Connecting A UPS 2 13 2 9 Power On Diagnostics 2 13 CHAPTER 3 MONITORING AND TROUBLESHOOTING 3 1 LANVIEW LEDS 3 1 3 1 1 CPU Central Processor Unit 3 3 3 1 2 LWRP Left Wrap 3 3 3 1 3 16 Mb Ring Speed 16 Mbp...

Страница 13: ... Mixing Single Ring And Port Switching MIMs A 4 A 4 Available Rings A 4 A 4 1 FNB Rings A 4 A 4 2 Auxiliary Rings A 5 A 4 3 Bypassed Rings A 5 A 5 A Sample Configuration A 5 APPENDIX B BEACONING PROTECTION AND RECOVERY APPENDIX C SPECIFICATIONS AND SETUP REQUIREMENTS C 1 TRMM 4 Specifications C 1 C 2 LM Console Setup Requirements C 1 C 3 COM Port Pinouts C 2 C 4 Environmental Requirements C 5 C 5 ...

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 and actions CAUTION Caution calls your attention to information you should heed to avoid damaging soft...

Страница 16: ...nitoring And Troubleshooting provides instructions for using LANVIEW LEDs It also describes procedures to be performed if problems emerge after the installation of the TRMM 4 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 Beaconing Protection And R...

Страница 17: ...etron Systems The manuals referenced 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 ...

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: ...taneously and control all Token Ring MIMs within a Multi Media Access Center MMAC Also it can assign ports to different rings on port switching MIMs The TRMM 4 is 802 5 and IBM compliant Figure 1 1 TRMM 4 Management Module TRMM 4 SN TOKEN RING RESET C O M 1 C O M 2 R I N G 3 R I N G 4 R I N G 1 R I N G 2 ...

Страница 20: ...rity 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 hub Runtime IP address discovery that broadcasts Bo...

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: ...g the backplane and segmenting the FNB 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 MGMT RING 4 16 Mb...

Страница 24: ...and Port Disabling Module Bypassing The TRMM 4 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 ring channels are bypassed ...

Страница 25: ...ent with a single IP address Each interfaced network receives individual management attention 1 1 8 Ring Speed Assignments The TRMM 4 assigns FNB ring speed settings 4 Mbps or 16 Mbps This sets the interface between MIMs and FNB rings See Section 2 3 for details about the interaction of MIMs and the TRMM 4 1 1 9 Automatic Configuration At Power Up The TRMM 4 stores operational parameters in its No...

Страница 26: ...allowed on the ring See the TRMM 4 Local Management User s Guide for details and procedures 1 1 13 Automatic Beacon Recovery Process ABRP The TRMM 4 s Automatic Beacon Recovery Process ABRP actively guards against network interruptions due to beaconing When beaconing is detected ABRP isolates the problematic portion of the network from the ring enabling the network to recover without user interven...

Страница 27: ... sessions By connecting to properly configured COM ports you can gain out of band access to management controls using any machine configured to emulate a Digital Equipment Corporation VT100 series terminal The TRMM 4 also supports in band Telnet access to the management agent through its FNB interfaces This provides remote in band access to the Local Management application and allows you to exerci...

Страница 28: ...c information about the state of the UPS 1 2 2 Telnet After the TRMM 4 is given an IP address as described in Section 2 6 2 you can access the Local Management application directly via a Telnet session from any of the four interfaced networks 1 2 3 Remote Network Management Applications All Cabletron Systems Token Ring management modules are SNMP compliant Thus communication with the TRMM 4 can be...

Страница 29: ...isual diagnostic and status monitoring system the LEDs light blink and flash in various colors to indicate different network and module specific conditions thereby facilitating the quick diagnosis of physical layer network problems The system is discussed in detail in Section 3 1 1 3 2 Reset Button The reset button causes the TRMM 4 to reboot when pressed See Section 2 5 for a detailed description...

Страница 30: ...INTRODUCTION 1 12 ...

Страница 31: ...NDLING THE TRMM 4 To unpack the TRMM 4 1 Carefully remove the module and other items from the shipment You should have the following items TRMM 4 module Disposable grounding wrist strap RS232 console cable kit which includes an RJ45 to DB9 PC adaptor and a straight through cable with RJ45 plugs TRMM 4 Management Module User s Guide CAUTION Electrostatic Discharge ESD can damage the TRMM 4 To preve...

Страница 32: ... of damage Notify Cabletron Systems Global Call Center see Preface if you detect any damaged or missing parts 2 2 SETTING SWITCHES AND JUMPERS Figure 2 1 TRMM 4 Switches On Switchblock 1 NOTE See Figure 2 1 when setting switches Only reposition the documented switches All other switches are set at the factory Note their positions for future reference FNB Ring 1 FNB Ring 4 FNB Ring 2 FNB Ring 3 Unu...

Страница 33: ...e ring speed setting for single ring MIMs 2 2 2 Forced Network Download Any repositioning of Switch 6 will cause the TRMM 4 to initiate a BootP server forced network download If no BootP server responds the TRMM 4 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 4 will resume normal operation b...

Страница 34: ...tching MIMs 2 3 1 Single Ring MIMs The TRMM 4 does not override the settings of single ring MIMs The TRMM 4 reads the configuration settings of the jumpers switches on single ring MIMs and implements them 2 3 2 Port Switching MIMs Although port switching MIMs have switches and jumpers to set their configuration the TRMM 4 controls the speed of the FNB rings and the assignment of ports to different...

Страница 35: ...at the MMAC has the proper type and number of power supplies to support the configuration Call the Cabletron Systems Global Call Center to determine the exact power requirement for your configuration Multiple Token Ring MIMs within an MMAC are automatically linked at power on provided that the MMAC has a Flexible Network Bus FNB Without an FNB the individual MIMs will not be linked but rather will...

Страница 36: ... you should be able to feel the management and FNB interface connectors on the TRMM 4 insert smoothly and snugly into their respective connectors on the MMAC backplane The front panel of the TRMM 4 should align with the front panels of other installed modules CAUTION Never use more than the minimal amount of physical force necessary to insert the TRMM 4 into the MMAC If you feel any resistance whi...

Страница 37: ...es the module to simulate a power OFF ON cycle Resetting the TRMM 4 will not effect the operation of other MIMs in the hub To reset the TRMM 4 press the Reset button with a non conductive pointed instrument that can be inserted through the access hole When the button is released the module begins its boot sequence and self tests Upon successful completion of the boot up procedure the CPU LED shoul...

Страница 38: ... connections to actual or emulated VT100 series terminals See Appendix D for terminal setup specifications and COM port pinouts To establish the terminal connection 1 Attach the supplied terminal cable to a COM port configured for LM see Figure 2 6 2 Attach the appropriate adapters 9 or 25 pin to the other end of the cable and insert it into the RS 232 port on the LM terminal 3 Ensure the TRMM 4 i...

Страница 39: ...cable or quit the emulator program 2 6 2 Assigning A Host IP Address You must assign an IP address to the SNMP Agent management agent in the TRMM 4 if you want to manage the module remotely Assign an IP address as follows 1 Consult the Network Administrator for an IP address 2 Enter the MAIN MENU screen as described in Section 2 6 1 MGMT 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 WI...

Страница 40: ... Figure 2 7 This screen allows you to configure the hub as one of the following Hub based on the settings of the MIMs switches and or jumpers Default condition Collapsed Backbone Split Hub 2 7 1 Auto Configuration The Auto Configuration option is the default condition It is implemented automatically when you install a new TRMM 4 or clear NVRAM See Section 2 2 3 for details about clearing NVRAM Aut...

Страница 41: ...D BACKBONE Hub y n message appears 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 rings DEFAULT Management module will unbypass each MIM SINGLE RING MIMs The management module will always set po...

Страница 42: ...t a Split Hub configuration 1 Install a new TRMM 4 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 Y The Enter slot number which begins second ring 2 8 message appears 4 Enter the slot number The second ring will begin at tha...

Страница 43: ...n Sales See Table C 5 for details about pinouts for the cable 2 9 POWER ON DIAGNOSTICS During the start up sequence the TRMM 4 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 4 are Memory tests SCC console tests Timer tests Token Ring adapter tests ...

Страница 44: ...INSTALLATION 2 14 ...

Страница 45: ... 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 LED may...

Страница 46: ...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 Flashing GREEN The TRMM 4 is transmitting data Blinking RED Beaconing condition on the ring RED Interface is disabled OFF Interface is inactive RCV Flashing AMBER Network activity OFF Interface is inactive...

Страница 47: ...FNB Ring 1 connection AMBER indicates that the left connection has been wrapped the TRMM 4 s FNB Ring 1 segment has been isolated from all other MIMs OFF is the normal state the left connection is not left wrapped 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 Per...

Страница 48: ...1 5 RCV Receive The RCV LED flashes AMBER for every packet received regardless of source or destination It indicates the load on the network Blinking RED simultaneously with the XMT LED indicates the interface is trying to insert into the ring OFF indicates no activity 3 1 6 NSRT Insert The NSRT LED indicates interface activity GREEN indicates that the interface is inserted into the ring and is pa...

Страница 49: ...ered on 3 2 2 No Response To Remote Management After assigning an IP address to the TRMM 4 you should be able to manage the hub from an NMS If you cannot establish contact from an NMS try the following Confirm that the TRMM 4 has been assigned an appropriate IP address as discussed in Section 2 6 2 Ensure this is the IP address that you are trying to contact with the NMS Ensure the subnet masks of...

Страница 50: ...s into the ring When you remove a MIM with a device that was causing the beacon the beacon should stop and the TRMM 4 s NSRT LED for that interface will turn GREEN 3 2 4 Checking The Hub This section describes how to inspect the hub to verify proper operation or isolate problems Check the status of the LEDs on all MIMs in the MMAC See the appropriate MIM User s Guides for descriptions of its LEDs ...

Страница 51: ...ork interface cards in 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 other types of M...

Страница 52: ...MONITORING AND TROUBLESHOOTING 3 8 ...

Страница 53: ...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 54: ...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 these...

Страница 55: ...ng And Multi Ring Connectivity Port Switching MIMs FNB Ring 1 FNB Ring 2 FNB Ring 3 FNB Ring 4 TRMM 4 TRXMIM 54A TRXMIM 54A TRXMIM 54A TRXMIM 54A TRXMIM 54A TDRMIM AT TDRMIM AT TRMIM 24A TRMIM 24A TRMIM 24A TRMIM 24A TRMIMs TRXMIM 24A TRXMIM 24A TRXMIM 24A TRXMIMs FNB Ring 1 FNB Ring 2 FNB Ring 3 FNB Ring 4 Segmented FNB Ring 1 TRMM 4 ...

Страница 56: ...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 57: ... 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 stations on that bypassed ring For example stations attached to Ring 2 on a bypassed MIM will not communicate with stations on MIMs inserted into FNB Ring 2 A 5 A SAMPLE CONFIGURATION The purpose of the port switching family of MIMs...

Страница 58: ...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 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 ...

Страница 59: ...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 60: ...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 61: ...eries terminal configured as defined below will support access to Local Management LM through a COM port set to its LM configuration Table C 1 lists the requirements for VT100 setups For parameters that are not listed any option should be acceptable You can press F3 on the keyboard of VT100 series terminals to access the Setup Directory If you use a terminal emulator see the equipment manual for s...

Страница 62: ... Tables C 2 through C 5 Table C 1 Terminal Settings For LM Console Menu Parameter Setting Display Setup Columns 80 Columns Controls Interpret controls Auto wrap No Auto wrap Text Cursor No Cursor General Setup Mode VT100 7 bit control Cursor keys Normal cursor keys Communications Setup Transmit all values from 2400 to 19 200 accepted Receive Receive transmit Bits parity 8 Bits no parity Stop Bit 1...

Страница 63: ... Numbers Figure C 3 RJ45 And DB9 Connector Plug Pin Numbers 8 7 6 5 4 3 2 1 Transmit Receive Data Terminal Ready Data Carrier Detect Data Set Ready Request To Send Clear To Send Signal Ground 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 64: ...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 Table C 3 RJ45 To DB9 PC RJ45 DB9 Female Pin Description Pin Description 1 Transmit 2 Receive 2 Data Carrier Detect 7 Ready to Send 4 Receive 3 Transmit 5 Ground 7 Ground 6 Data Terminal Ready 8 Clear to Send ...

Страница 65: ...the following requirements Safety UL1950 CSA C22 2 No 950 EN 60950 IEC 950 and 73 23 EEC Table C 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 Table C 5 RJ45 To DB9 UPS RJ45 DB9 Female Pin Description Pin Descript...

Страница 66: ...SPECIFICATIONS AND SETUP REQUIREMENTS C 6 Electromagnetic Compatibility EMC FCC Part 15 EN 55022 CSA C108 8 VCCI V 3 EN 50082 1 and 89 336 EEC C 6 YEAR 2000 COMPLIANCE The TRMM 4 is Year 2000 Compliant ...

Страница 67: ...ut devices data traffic and events on the ring You can activate RMON in the TRMM 4 through any remote management application that has RMON configuration capabilities Cabletron Systems SPECTRUM Element Manager for the TRMM 4 for example The groups are organized into three components To implement associated RMON groups you enable the component containing the groups RMON component groups are listed a...

Страница 68: ...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 69: ...rm 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 Log Table Event rmon 9 Event Table Buffer Table Token Ring rmon 10 Ring Station Control Table Ring Station Table Ring Stat...

Страница 70: ...SUPPORTED MIB GROUPS D 4 ...

Страница 71: ...s ix organizational structure x E Electrostatic discharge 2 1 F Flash image downloading with TFIP 1 9 FNB a description A 1 ring speed settings 2 3 segmenting for additional rings 1 5 1 6 terminology A 1 Forced Network Download Switch 6 2 3 G Getting help xi Grounding wrist strap 2 2 H Hub configuration auto option default 2 10 collapsed backbone option 2 11 2 12 split hub option 2 12 I Installati...

Страница 72: ...set button 1 11 Resetting passwords Switch 8 2 4 Ring bypassing 1 7 speed settings 2 3 Ring Error Monitor REM 1 8 Ring poll failure recovery 1 3 Ring security setting with Local Management 1 8 Ring speed assignments 1 7 2 3 Rings auxiliary A 5 bypassed A 5 FNB A 4 RMON functionality using Local Management 1 8 S SNMP traps setting with Local Management 1 8 Storage temperature C 5 T Technical suppor...

Страница 73: ...INDEX IX 3 U UPS connection 2 13 V VT100 series terminal setup requirements for access to LM C 1 C 2 W Wrist strap anti static 2 1 ...

Страница 74: ...INDEX IX 4 ...

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