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Enterasys (TRXI-24) Networking Hub

1. 00060 OV LNK 9 87 6 1 RING OUT RING IN 1 Transmit 1 Receive 2 Ground 2 Ground 3 4 5V at 250 mA 3 5V at 250 mA 4 Ground 4 Ground 5 Receive 5 Transmit 6 Transmit 6 Receive 7 Ground 7 Ground 8 Ground 8 Ground 9 Receive 9 Transmit Figure 2 3 TPIM T1 Pinouts Page 2 12 2 REQUIRE MENTS SPECIFICATIONS The TPIM T2 is an RJ 45 connector that supports UTP cabling Figure 2 4 shows pinouts for Ring Out and Ring In applications 12345678 LNK e TPIM T2 RING OUT RING IN 1 Not Used 1 Not Used 2 Not Used 2 Not Used 3 Receive 3 Transmit 4 Transmit 4 Receive 5 Transmit 5 Receive 6 Receive 6 Transmit 7 Not Used 7 Not Used 8 Not Used 8 Not Used Figure 2 4 TPIM T2 Pinouts 4 TheTPIM T4 is an RJ 45 connector that supports STP cabling Figure 2 5 shows pinouts for Ring Out and Ring In applications 12345678 LNK 9 TPIM T4 RING OUT RING IN 1 Not Used 1 Not Used 2 Not Used 2 Not Used 3 Receive 3 Transmit 4 Transmit 4 Receive 5 Transmit 5 Receive 6 Receive 6 Transmit 7 Not Used 7 Not Used 8 Not Used 8 Not Used Figure 2 5 TPIM T4 Pinouts Page 2 13 REQUIRE MENTS SPECIFICATIONS TPIM F2 The TPIM F 2 shown in Figure 2 6 is an ST connector that supports Multimode fiber Optic
2. 5 5 5 3 USING LOCAL 5 6 5 3 1 The System Level 5 8 5 343 The SNMP Community Names Screen 5 13 5 3 3 The SNMP Traps 5 15 5 3 4 TheRing Security 5 17 5 35 The Device Statistics 5 22 5 3 6 Chassis Status View Screen 5 28 5 3 7 Component Status View 5 30 5 3 8 The SNMP Tools 5 31 viii INTRODUCTION CHAPTER 1 INTRODUCTION Welcome to the Cabletron Systems TR XI 22 TR XI 24 TR XI 42 and 44 Token Ring Intelligent Hub User s Guide This manual provides installation instructions network requirements and reference information for the TRXI stand alone concentrator You should have an understanding of Token Ring IEEE 802 5 type data communications networks and their physical layer components before installing the TRXI Note This manual usestheterm TRXI todescribetheTRXI 22 24 42 and 44 unless otherwise specifi ed 1 1 USING THIS MANUAL The following summary provides information about each chapter in this manual Read through the summary to familiarize
3. To set an OID information in brackets provides an example 1 2 Highlight SET using the arrow keys Press the Return key lt SET gt OID 4 appears Page 5 34 LOCAL MANAGE MENT 3 Enter an OID 1 3 6 1 2 1 1 4 0 4 Press the Return key If that OID does not exist the TRXI displays MIB NO INSTANCE Otherwise the TRXI displays Nteger String Null Old IP address Counter GaugeTimeticks OPaque DATA TYPE name Shortcut f you have previously entered an OID press F9to recall that entry You can use the arrow keys to modify the recalled OID or if you have not previously entered the OID save yourself some keystrokes by typing the OI D minus the OI D s prepend Enter the OI D s Data Type The sysContact Data Type is String Note When setting a String SNMP tools requests the kind of data you plan to enter HEX or ASCII In this example choose ASCII Press the Return key The TRXI displays SNMP OID DATA Enter the Data or value of the OID Typein a sysContact This OID allows for a String of up to 12 characters Press the Return key If the TRXI accepts the entry it displays lt SET gt OPERATION CODE XXXX OK gt otherwise an error message appears Scrolling Through MIB OIDs Viewing several object identifiers at one time allows you to quickly scan a MIB for theinformation that you need The SNMP Tools screen provides several scroll options Walk sc
4. d Check that the port is enabled through TRXI Local Management If alink still has not been established contact Cabletron Systems Technical Support 3 9 FINISHING THE INSTALLATION TheTRXI is now ready for operation Before placing the network into service test the installation thoroughly making sure that all stations are ableto be addressed and that the TRXI and all stations are indicating normal operation Ensurethat the networking software is configured properly to match the installed network If you encounter errors or abnormal operation proceed to Chapter 4 Testing and Troubleshooting Page 3 18 TESTING AND TROUBLESHOOTING CHAPTER 4 TESTING AND TROUBLESHOOTING This chapter contains procedures for testing the TRXI after you connect it to the network It also describes LANVIEW and explains how to use the LCD to troubleshoot physical layer network problems 4 1 CHECKING THE INSTALLATION Perform the following to check the installation of the TRXI Trace the ring path through the network to be sure that there are no breaks in the ring and that it is free from logical design errors a Check each cable connection b Verify the pinouts for every connection c Check the cable conductors for continuity Cable testers are available for this task d Check that cable connections at patch panels and wall plates are secure 2 Check the network ring speed a Check the Ring Speed LED Ensurethering speed matches
5. Highlight STEP using the arrow keys Press the Return key to page through the MIB to the next OID Page 5 37 POWER SUPPLY CORD The mains cord used with this equipment must be a 2 conductor plus ground type with minimum 0 75 mm square conductors and must incorporate a standard appliance coupler on one end and a mains plug on the other end which is suitable for the use and application of the product and that is approved for use in the country of application GERMAN Die Netzleitung die mit diesem Geraet benuetzt wird soll einen zwei Leiter mit Erdleiter haben wobei die Leiter mindestens 0 75 mm sind mit einer normalen I EC Geraetesteckdose an einem Ende und einem Geraetestecker am anderen Ende versehen sind der fuer den Gebrauch und die Anwendung des Geraetes geeignet und der zum Benuetzen im Lande der Anwendung anerkannt ist SPANISH El cable principal dela red el ctrica utilizado con este equipo debe tener 2 conductores y 1 toma de tierra con un m nimo de 0 75 mm2 cada uno y necesita tener un aparato de acoplamiento standard EC en un extremo y un enchufe para el cable principal de la red el ctrica en el otro extremo lo cual sea adecuado para el uso y applicaci n del producto y lo cual sea aprobado para uso en el pais de applicaci n FRENCH Le cordon d alimentation reliant cet appareil au secteur doit obligatoirement avoir deux fils conducteurs de 0 75 mm2 minimum et un fil deterre It doit galement
6. Off 4 Mbps Ring Speed ACT Green Flashing Good Frames Network Activity Red Flashing Beacon Frames Off No Activity MGMT Green Solid Management Agent Inserted Network Management Red Solid Management Agent Not Inserted CPU Off CPU In Boot Process Cental Processing Unit Green Flashing CPU Initializing Green Blinking CPU Functioning Red Solid CPU Not Functioning Note Flashing indicates an irregular LED pulse Blinking indicates a steady LED pulse Figure 4 1 LANVIEW LEDs Page 4 2 TESTING AND TROUBLESHOOTING 4 3 THE LCD DISPLAY TheTRXI is equipped with an LCD as shown in Figure 4 2 The LCD is a diagnostic tool that lets you view important status information about the TRXI such as e Power up diagnostics e Revision levels Hardware MAC address address Error alerts The LCD presents four types of messages Static System Messages Saved Alarm Messages Unsaved Initialization Messages and Saved System Messages The following sections describe each message TRXI 24 TOKEN RING HUB LANVIEW 24 23 22 21 20 19 CABET 181716151413 STST TIIS H oPWR o ACT DISPLAY RESET OCPU 16 Mb s OMGMT COM2 1 Figure 4 2 LCD Display Page 4 3 TESTING AND TROUBLE SHOOTING 4 3 1 Static System Messages These messages display TRXI configuration information To view the Static System Messages momentarily press the Disp
7. UTP Maximum Lobe Lengths UTP Cable Type Maximum Lobe Length 4 Mbps 16 Mbps Category 3 100 meters 60 meters 330 feet 198 feet Category 4 100 meters 60 meters 330 feet 198 feet Category 5 130 meters 85 meters 429 feet 280 5 feet Type 3 Media Filters To connect a UTP lobe segment from a TRXI 22 or TRXI 24 toa station supporting STP cabling you need a Type 3 Media Filter Cabletron Systems offers the following Type 3 Media Filters RJ 45 UTP connector to 10 inch DB9 STP cable with LANVIEW e 2 45 UTP connector to DB9 STP connector Maximum Number of Stations When you use UTP lobe cabling anywhere on the ring the number of stations is limited to 100 stations at ring speeds of either 4 or 16 Mbps Page 2 3 REQUIRE MENTS SPECIFICATIONS 2 12 STP Cable Specifications For The TRXI 42 44 Lobe Ports and TPIM T1 T4 The TRXI 42 and TRXI 44 lobe ports support Type 1 2 6 and 9 STP cabling as described below 1 TwoSTP lengths of 22 AWG solid wire for data Used for the longest cable runs within the walls of buildings Type 2 Similar to 1 data cable but having four additional UTP lengths of 22 AWG solid wire carried outside of the shield casing Typically used for voice communication and often used to wire cable runs within the walls of buildings IBM Type 6 TwoSTP lengths of 26 AWG stranded wire for data
8. by four and add theresult to typical output power 4 x 0 15 dBm 16 4 17 0 Maximum Sensitivity 36 0 Receive Sensitivity Maximum Receive Input Power Transmitter Power At 25 C into 8 3 125yum fiber Transmit Power 12 0 Typical Transmit Power 15 5 Minimum Transmit Power 21 0 dBm 40 35 30 25 20 15 10 5 0 Less Power More Power Transmit Power Typical Power Minimum Power Maximum Power Coefficient 15dBm 0 12 dBm C 0 18 dBm Page 2 15 REQUIRE MENTS SPECIFICATIONS Parameter Typical Minimum Maximum Transmitter Peak Wave Length 1300 nm 1270 nm 1330 nm Spectral Width 60 nm 100 nm Rise Time 3 0 nsec 2 7 nsec 5 0 nsec Fall Time 2 5 nsec 2 2 nsec 5 0 nsec Duty Cycle 50 1 49 6 50 7 Bit Error Rate Better than 1019 Note Thetransmitter power leves given above are Peak Power Levels after optical overshoot You must use a Peak Power Meter to correctly compare the values given above to those measured on any particular port If you are measuring power levds with an Average Power Meter add 3 dBm to the average power measurement to correctly comparethe average power values measured to the values listed above i e 33 5 dB m average 3 dB 30 5 dBm peak Page 2 16 REQUIRE MENTS SPECIFICATIONS 2 5 GENERAL SPECIFICATIONS The operating specifications for the TRXI are described in this section Cabletron Systems reserves the right to change these specificatio
9. through and how much time elapses between each request REPEAT Repeats the Get command allowing you to monitor any changes to a specific OI D Page 5 32 LOCAL MANAGE MENT The Security Access Level Each MIB component that the TRXI supports 0 RMON DLM etc has its own password for each possible level of access ranging from Basic Read Only to Super User Note A complete list of Super User Community Names also called Community Strings resides in the Cabletron proprietary chassis MIB TheMIB group chCompName provides the names of the MIB components The MIB group chCompSU CommStr provides individual MIB component Community N ames Strings The component information corresponds numerically by last digit In other words each instance i e OID dement in the chCompN ame group indicates its match in the chCompSU CommsStr group In order to access a specific MIB s components you must set the appropriate MIB password in the COMMUNITY NAME field Note T hedefault Super User password public allows you to access all MIB components To changethe SNMP Tools screen COMMUNITY NAME field you must have Super User access to Local Management To set the SNMP Tools screen COMMUNITY NAME 1 Usethe arrow keys to highlight the field to the right of COMMUNITY NAME 2 Enter the Community Name necessary for Super User access for any specific MIB e g channelA for Repeater Rev 4 MIB 3 Press the Return key The Comm
10. CABLE SPECIFICATIONS eese 2 1 2 1 1 Cable Specifications for the TRXI 22 24 Lobe Ports and 2 nde 2 2 212 STP Cable Specifications For The TRXI 42 44 Lobe Ports and 2 4 213 Mixed Cable 2 6 2 1 4 Multimode Fiber Optic Cable Specifications for the 2 icc re eet ret er e Peri aca 2 7 2 15 SingleModeFiber Optic Cable Specifications for the JT PIMSE3 noh me eene 2 8 22 CABLE RECOMMENDATIONS TROUBLESHOOTING 2 9 2 3 COM 1 COM 2 PORT 2 11 2 4 5 5 2 1 0 01 0 2 0 2 5 GENERAL 5 5 2 17 CHAPTER INSTALLATION 3 1 UNPACKING THE 3 1 3 2 ATTACHING THE STRAIN RELIEF BRACKET 3 1 3 3 5 3 2 3 3 11 Rack Mounting the TRXI sese 3 3 3 3 2 Wall 2 2 400002 3 4 3 3 3 FreeStanding 3 5 3 44 SETTING THE RING SPEED SWITCH 3 6 3 5 SETTING THE NVRAM SWITCH een 3 7 3 6 CONNECTING THE TRXI TO THE POWER SOURCE 3 8 3 7 CONN
11. F 3 keep the following in mind If you are connecting a fiber optic link segment with ST connectors to a TPI M F2 with ST ports keep in mind that ST connectors attach to ST ports much like BNC connectors attach to BNC ports The connector is inserted intothe port with the alignment key on the connector inserted intothe alignment slot on the port The connector is then turned to lock it down The physical communication link consists of two strands of fiber opticcabling theTransmit TX and theReceive RX The Transmit strand fromthe applicable port on the module will be connected tothe Receive port of a fiber optic device at the other end of the segment For example TX of the applicable port on the module will goto RX of the other fiber optic device The Receive strand of the applicable port on the module will be connected to the Transmit port of the fiber optic device For example RX of the applicable port on the module will goto TX of the other fiber optic device It is recommended that you label the fiber optic cable to indicate which fiber is Receive and which is Transmit When you buy fiber optic cable from Cabletron Systems it is labeled sothat at one end of the cable one fiber is labeled 1 and the other fiber is labeled 2 This pattern is repeated at the other end of the cable If you did not purchase your cable from Cabletron Systems be sure you have labeled your cablein the manner described above Caution Do not touch theend
12. Local Echo Port DEC 423 Data Leads Only Transmit any option Auto Answerback No Auto Answerback Keyboard Setup Auto Repeat any option any option Margin Bell Margin Bell Warning Bell Warning Bell Auto Answerback No Auto Answerback Page 5 3 LOCAL MANAGE MENT 5 1 3 Modem Cable Configuration and Setup To access Local Management from a modem use an RS 232 cable available from Cabletron Systems This cable connects the modem to the TRXI COM 2 port Figure 5 2 shows the pinout for cable with an RJ 45 connector at the TRXI end of the cable RJ45 COM 2 PORT RJ45 TO 25 PIN CABLE RJ45 COM 2 25 Pin Female Port D Shell Connector TRANSMIT TRANSMIT RECEIVE RECEIVE SIGNAL GROUND SIGNAL GROUND DATA CARRIER DETECT DATA CARRIER DETECT DATA TERMINAL READY DATA TERMINAL READY RING RING Figure 5 2 Modem Cable Pinouts To access Local Management proceed as follows 1 Turn the modem on The modem must be set for Auto Answer and Data Carrier Detect must be active Refer to your modem s user manual for operating instructions 2 Call the modem The TRXI Password screen appears when you establish a connection Page 5 4 LOCAL MANAGE MENT 5 2 ACCESSING LOCAL MANAGE MENT With your terminal properly configured and the correct physical cable connections in place you can access Local Management To access Local Management 1 Turn the terminal on The TRXI Password sc
13. RJ 45 Cable Kit Instruction Sheet for adapter pinouts and additional instructions To attach the management terminal to the TRXI s COM 1 port 1 Attach the male RJ 45 connector to the COM 1 port of the TRXI as shown in Figure 5 1 2 Attach the female end 25 pin or 9 pin as applicable tothe COM port on the terminal COM PORT COM 1 RJ45 PORT SL RES RARO RS RES RERA CONSOLE CABLE MANAGEMENT TERMINAL Figure 5 1 Management Terminal Connection Page 5 2 LOCAL MANAGE MENT 5 12 Setting the Management Terminal Setup Parameters Table 5 1 lists the setup parameters for the local management terminal If you have a Digital Equipment Corporation VT terminal press to access the Setup Directory If you have a PC emulation of the Digital Equipment VT terminal refer to your equipment user manual for setup parameters Table 5 1 VT Terminal Setup Parameters MENU FUNCTION SELECTION Display Setup Columns 80 Columns Controls Interpret Controls Auto Wrap NoAuto Wrap Test Cursor Cursor General Setup Mode 7 Bit Control Cursor Keys Normal Cursor Keys Communications Transmit Transmit 9600 Setup Receive Receive Transmit XOFF any option Bits Parity 8 Bits No Parity Stop Bit 1 Stop Bit Local Echo No
14. Status View screen is a view only screen that displays the functions operating in the TRXI TRXI LOCAL MANAGEMENT Flash Image Version COMPONENT STATUS VIEW COMPONENT NAME TRXI Chassis MGR TRXI LIM Network 1 TRXI Protocol Stack TRXI SNMP Agent TRXI RMON REFRESH99sec RETURN Figure 5 11 Component Status View Screen Setting the Refresh Field To set the Refresh field 1 Usethearrow keys to highlight the REFRESH 99sec field at the bottom of the screen 2 Press the Shift and keys to increment the time interval or the key to decrease the time interval 3 Pressthe Return key to save your changes Page 5 30 LOCAL MANAGE MENT 5 3 8 The SNMP Tools Screen This section describes specific commands and features within the SNMP Tools screen This screen allows you to access management information bases MIBs and varies according to your level of security access The following descriptions outline the super user management capabilities From SNMP Tools you can review specifics about object identifiers OI Ds e edit configurable OI Ds e view OIDs sequentially from the originally requested OID To access the SNMP Tools Screen from the Features Selection Screen usethe arrow keys to highlight the SNMP Tool Support option then press the Return key The SNMP Tools Screen Figure 5 12 appears TRXI LOCAL MANAGEMENT Flash Image Version SNMP TOOLS COMMUNITY NAME public OID PREPE
15. guidelines could result in poor network performance 2 1 CABLE SPECIFICATIONS The basic concept of a token ring is a set of Trunk Coupling Units TCUs connected by trunk cabling You can extend the trunk cabling by installing TPIMs into the TRXI s RI RO ports TPIMs have embedded repeaters and provide trunk connections for UTP STP Multimode Fiber and Single Mode Fiber cabling You attach stations tothe TCU lobe ports with lobe cabling Figure 2 1 shows the various ports and cables Ring Out TPIM RO X TRXI 24 TOKEN RI E RI TCU Lobe Ports Token Ring Station Trunk Cabling Figure 2 1 TRXI Ports Cables Page 2 1 REQUIRE MENTS SPECIFICATIONS 2 11 UTP Cable Specifications for the TR XI 22 24 Lobe Ports and TPIM T2 The TRXI 22 and TRXI 24 lobe ports and the TPI M T2 support voice grade Unshielded Twisted Pair UTP cable as described in EIA TIA TSB 568 Type 3 cable UTP consists of four pairs of 24 AWG solid wire for data or voice communication and is typically used to wire cable runs within the walls of buildings some installations existing UTP building wiring can be used for token ring cabling UTP cable must conform to the limits shown in Table 2 1 Warning
16. provides the tools to manage the TRXI and all of its attached segments You can change factory defaults enable disable ports and use the advanced features of Local Management to e control access to your token ring network using the Ring Security feature assign an IP address and subnet mask set interface parameters for both serial ports Local Management Console Serial Line Internet Protocol SLIP Uninterruptible Power Supply proxy UPS or Modem e control password access to the TRXI through the community names established in the Community Names Table e designate which Network Management Workstations receive trap alarms from the device e navigate through the Management Information Base MIB and managethe objects within it from a remote location Given the appropriate security level the MIB is accessible from the TRXI through the SNMP Tools screen Page 5 1 LOCAL MANAGE MENT 5 1 MANAGEMENT TERMINAL REQUIREMENTS To access TRXI Local Management you need either e a Digital Equipment Corporation VT series terminal aVTtypeterminal running emulation programs for the Digital Equipment Corporation VT series e or compatible PC running a VT series emulation software package 5 L1 Attaching the Management Terminal Cabletron supplies an RJ 45 Cable Kit with the TRXI This kit includes a UTP console cable with RJ 45 connectors on each end It also provides adapters for DB9 or DB25 connections Refer to the
17. the maximum fiber optic cable length the fiber optic budget delay should be calculated and taken into consideration before fiber optic cable runs areincorporated in any network design Fiber optic budget is the combination of the optical loss due tothe fiber optic cable in line splices and fiber optic connectors Page 2 7 REQUIRE MENTS SPECIFICATIONS 2 15 Single Mode Fiber Optic Cable Specifications for the TPIM F3 Table 2 7 shows Single Mode Fiber Optic Cable specifications for the TPIM F3 Table 2 7 Single Mode Fiber Optic Cable Specifications Cable Type Attenuation Maximum Drive Distance 8 125 12 125 um 10 0 dB or less The maximum allowable fiber optic cable length is 2 km 2187 2 yards However IEEE 802 5 specifications al low for a maximum of 1 km 1093 6 yards Maximum Trunk Lengths The maximum trunk cable length between the TRXI and another active device is equal to the Maximum Drive Distance as shown in Table 2 7 When the neighboring token ring deviceis a passive device the combined length of twice the longest trunk cable plus the longest lobe cable attached to the passive ring segment cannot exceed the Maximum Drive Distance Trunk Length Attenuation The fiber optic cable must be tested with a fiber optic attenuation test set that is adjusted for a 1300 nm wavelength This test verifies that the signal loss in a cableis within an acceptable level of 10 dB or less for any given sin
18. tre qui p du c t appareil d une fiche agr e IEC et du c te secteur d une prise adapt e l usage du produit et aux normes du pays l appareil est utilis
19. 1 40 meters of Type 1 2 max length 60 meters of Type 1 66 x 40 meters of Type 6 2 length 26 4 meters of 6 for patch panel and wall jack connections Page 2 6 REQUIRE MENTS SPECIFICATIONS 2 14 Multimode Fiber Optic Cable Specifications for the TPIM F2 Table 2 6 shows Multimode Fiber Optic Cable specifications for the TPIM F2 Table 2 6 Multimode Fiber Optic Cable Specifications Cable Type Attenuation Maximum Drive Distance 50 125 um 13 0 dB or less The maximum allowable fiber op tic cable length is 2 km 2187 2 62 5 125 um 16 0 dB or less yards However IEEE 802 5 100 140um 19 0 dB or less specifications allow for a maxi mum of 1 km 1093 6 yards Maximum Trunk Lengths The maximum trunk cable length between the TRXI and another active device is equal to the maximum drive distance as shown in Table 2 6 When the neighboring token ring deviceis a passive device the combined length of twice the longest trunk cable plus the longest lobe cable attached to the passive ring segment cannot exceed the Maximum Drive Distance Trunk Length Attenuation The fiber optic cable must be tested with a fiber optic attenuation test set that is adjusted for an 850 nm wavelength This test verifies that thesignal loss in a cableis within an acceptable level Table 2 6 shows the attenuation for each Multimode cable type Fiber Optic Budget When determining
20. 2057 8 These adapter patch cables let you connect to an existing patch panel equipped with data connectors Figure 3 8 shows the TRXI s network lobe port pinouts TRXI 22 24 Device TCU Port Port RX 3 3 TX TX 4 4 RX 94 RJ45 to RJ45 gt TX 5 5 RX 6 6 TX TRXI 42 44 Data Connector TCU Port MIC RX 3 Green TX TX 4 lt Orange RX Patch Panel RJ45 to 2 Token Ring Station 5 Black RX 6 Red TX Shield Figure 3 8 Network Lobe Port Pinouts Page 3 8 INSTALLATION Figure 3 9 illustrates possible configurations for both the TRXI 24 and TRXI 44 WALL Punchdown Block EHHH Token Ring Token Ring Network Interface Card Station Wall STP to UTP yack Type 3 Media Filter OFFICE WALL MIC Data Connector Token Ring Token Ring Network Interface Card Station STP Lobe Cable OFFICE m V TRXI 24 UTP T Lobe Cable TRXI 44 WIRING CLOSET Figure 3 9 Configuration Examples for TRXI 24 and TRXI 44 Page 3 9 INSTALLATION To attach a UTP or STP lobe segment to a TRXI network port Insert the RJ 45 connector from each twisted pair segment into the desired RJ 45 network lobe port number on the TRXI as shown in Figure 3 10 Figure 3 10 TRXI Network Ports 2 The associated Port Status LED will light green when t
21. 6 4 9 1 TX 3 5 5 6 RX 4 6 1 9 RX 5 3 6 5 Page 3 11 INSTALLATION 3 81 Setting the TPIM s Phantom Switch and RI RO Switch Before you install a TPIM set the Phantom Switch to the appropriate setting This switch enables the port to autowrap if a trunk cable fails or is removed Figure 3 11 shows the location of the Phantom Switch If you attach a Cabletron hub to the TPIM leave the switch at the factory default setting of 1 If you attach a Non Cabletron device to the TPIM use the 0 setting Ensurethat the Ring I n Ring Out Switch is in the factory default RI RO position The TRXI does not support the Station S setting at this time Note f theswitch locations on your TPIM do not match thelocations illustrated in Figure 3 11 refer tothe TPIM Reference Card included with the TPIM TheTPIM Reference Card outlines the current switch locations and settings If you have any questions call Cabletron Systems Technical Support Top View d ooo See Below For Settings zZOdz rvu 3 RRO 1 TPIM T1 TPIM T2 TPIM T4 TPIM F2 TPIM F3 Phantom Switch Settings Phantom Switch Settings 1 Cabletron Device Default C Cabletron Device Default 0 Non Cabletron Device 802 5 Not Functional RI RO Switch Settings RI RO Switch Settings RI RO Ring In Ring Out Default RI RO Ring In Ring Out Default S Station Not Function
22. A description of each COM port application is listed below Note Consoleis theonly COM port application available at this time Modem UPS and SLIP applications will beavailablein futureTRXI releases TRXI 24 TOKEN RING HUB with LANVIEW 28888 DISPLAY RESET COM 2 COM 1 Figure 2 2 COM 1 COM 2 Ports Console The COM 1 port as default supports access to a Local Management Console The console supports a Digital Equipment Corporation VT 3207 terminal or PC emulation of the VT 320 terminal Modem Both the COM 1 and COM 2 ports support access to Local Management using a modem UPS The COM 2 port supports an Uninterruptible Power Supply American Power Conversion only SLIP The COM 1 and COM 2 ports support the Serial Line Internet Protocol Page 2 11 REQUIRE MENTS SPECIFICATIONS 2 4 TPIM SPECIFICATIONS TPIMs provide Ring In and Ring Out RI RO connections They let you extend your network using a variety of media Each TPIM has an embedded repeater that retimes all data TheLNK Link LED on each TPIM provides the following information e Green RI or RO active Red TPIM T1 T2 T4 only No Link Autowrapped Off NoLink Wrapped or Disabled The following sections describe each TPIM T1 The TPIM T1 is a female DB9 connector that supports STP cabling Figure 2 3 shows TPIM T1 pinouts for Ring Out and Ring In applications
23. DO NOT connect UTP cabling toany non token ring network conductors tel ephone etc or ground If in doubt test wiring before using TelephoneBattery and Ringing voltages used UTP tdephone circuits could present a shock hazard and can damagetoken ring equipment when connected to token ring cabling The increased popularity and cost advantages of UTP cable have driven refinements to UTP cable design As a result better grades of UTP cable known as supergrade or level 4 are available that exhibit improved transmission characteristics These improved grades of UTP can often be used to permit operation at 16 Mbps on longer lobe cables Attenuation and Impedance The values listed in Table 2 1 include the maximum attenuation of the cables connectors patch panels and reflection losses due to impedance mismatches in the segment Table 2 1 UTP Voice Grade and Category 3 Specifications Frequency Impedance Attenuation 1MHz 1000 15 26 dB km 8 dB 1000 ft 4 MHz 1000 15 56 dB km 16 dB 1000 ft 10 MHz 1000 15 lt 98 dB km 30 dB 1000 ft 16 MHz 1000 15 lt 131 dB km 40 dB 1000 ft Page 2 2 REQUIRE MENTS SPECIFICATIONS Maximum Lobe Lengths The lobe length is the physical length of the cable connecting a station toits TCU port at the TRXI Table 2 2 shows the maximum lobe length according to ring speed The cable lengths listed in Table 2 2 are total lengths made up of UTP cable only Table 2 2
24. ECTING THE NETWORK LOBE PORT CABLING 3 8 3 8 INSTALLING THE TPIM RI RO MODULES 3 11 vii CONTENTS 3 81 Setting the TPIM s Phantom Switch and RI RO Switch 3 12 3 82 Installing a TPIM 3 13 3 83 Connecting a Twisted Pair Segment to the TPIM T13 14 3 84 Connecting a Twisted Pair Segment to the 2 o TRIMSTA 3 15 3 85 Connecting a Fiber Optic Link Segment to the TPIM F2 3 16 3 9 FINISHING THE INSTALLATION enne 3 18 CHAPTER 4 TESTING AND TROUBLESHOOTING 41 CHECKING THE INSTALLATION eene 4 1 42 4 2 43 THE CCD aaia 4 3 4 3 1 Static System 4 4 4 3 2 Alarm Messages 4 5 4 3 3 Unsaved Initialization 4 6 4 3 4 Saved System 4 7 CHAPTER 5 LOCAL MANAGEMENT 5 1 MANAGEMENT TERMINAL REQUIREMENTS 5 2 5 11 Attaching the Management Terminal 5 2 5 12 Setting the Management Terminal Setup Parameters 5 3 5 1 3 Modem Cable Configuration and Setup 5 4 5 2 ACCESSING LOCAL
25. LEVEL System Date 06 26 94 System Time 14 00 00 IP Address Subnet Mask SNMP Agent 000 000 000 000 000 000 000 000 COM CONSOLE COM2 NA 1 Clear SNMP Agent IP Address and Community Names Only NO Clear All NVRAM NO Enable Beacon Recovery NO MAC Address Physical 00 00 B8 00 00 00 SAVE RETURN Figure 5 5 System L evel Screen The following sections provide a brief explanation of each field on the System Level screen and instructions for using them System Date Displays the current date System Time Displays the current time IP Address Displays the IP Address of the SNMP agent Subnet Mask Displays the Subnet Mask of the SNMP agent Page 5 8 LOCAL MANAGE MENT COM 1 Application Displays the port s application as either Console SLIP UPS or Modem COM 2 Application Displays the port s application as either Console SLIP UPS Modem or N A Clear All NVRAM Clears all battery backed up memory Clear SNMP agent IP Address and Community Names Only Clears battery backed up memory of IP Address and Community Names Enable Beacon Recovery Enables Beacon Recovery MAC Address Displays the physical hardware address Setting the System Date To set the System date 1 Usethearrow keys to highlight the System Date field 2 Enter the dateintothe field in a MM DD YY format 3 Press Return If the format not valid the message INVALID DATE appears Re enter the date using the correc
26. ND 1 3 6 1 GET SET GETNEXT WALK RECALL OID STEP CYCLES REPEAT F6 F7 F8 F9 RETURN F10 Figure 5 12 SNMP Tools Screen The following describes the SNMP Tools Screen fields and commands Page 5 31 LOCAL MANAGE MENT SNMP Community Name Identifies the community name MIB access level password OID Prepend Specifies the number prefix common to all object identifiers OI Ds found in a MIB The prefix 1 3 6 1 is the default You can modify this field to suit your needs GET Allows you to retrieve MIB objects one at a time using SNMP protocol SET Lets you edit modifiable MIB objects using SNMP protocol GETNEXT Displays the next OID in the MIB tree by getting the next SNMP OID from a remote agent WALK Scrolls you through the MIB leaf by leaf from a user specified object identifier Leaves are objects or instances of objects After initializing a walk you see the following categories for each entry e Specified OID identifies the number tag for that OID e Size gives the number of bytes required to store the object e DataType gives the object s variable type eg int nteger Data Value displays what the object identifier represents RECALL OID Recalls from memory the last OI D used since powering up the board or re entering the SNMP Tools screen STEP Displays the MIB step by step with specific OID details CYCLES Allows you to specify the number of GET NEXT requests to walk
27. OME INSTANCES THE ABOVE LIMITATIONS AND EXCLUSIONS MAY NOT APPLY TO YOU UNITED STATES GOVERNMENT RESTRICTED RIGHTS The enclosed product 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 in all respects is proprietary data belonging to Cabletron and or its suppliers For Department of Defense units the product is licensed with Restricted Rights as defined in the DoD Supplement to the F ederal Acquisition Regulations Section 52 227 7013 1 ii and its successors and use duplication disclosure by the Government is subject to restrictions as set forth in subparagraph c 1 ii of the Rights in Technical Data and Computer Software clause at 252 227 7013 Cabletron Systems Inc 35 Industrial Way Rochester New Hampshire 03867 5 TABLE OF CONTENTS CHAPTER 1 INTRODUCTION Ll lt 5 524422 4 nnne 1 1 1 2 1 2 1 3 TRXI OVERVIENW titio erri t reri 1 2 1 4 TRXIFEATURES et rent ene eene tette intu 1 3 15 REMOTE NETWORK MANAGEMENT CAPABILITIES 1 5 16 RECOMMENDED READING eee 1 5 CHAPTER 2 REQUIREMENTS SPECIFICATIONS 21
28. Received 0 Ring Status Normal Errors Received 0 Ring Number 0 Beacon States 0 Stations on Ring 1 Ring Purges 0 Ports Enabled 24 Active Monitor Changes 0 Ring Speed Mb s 16 ISOLATING ERRORS NON ISOLATING ERRORS Line Errors 0 Lost Frame Errors 0 Burst Errors 0 Frame Copied Errors 0 AC Errors 0 Rcvr Congestion Errors 0 Abort Transmit Errors 0 Token Errors 0 Internal Errors 0 Frequency Errors 0 ACCUMULATE DELTA REFRESH99sec RETURN Figure 5 9 Device Statistics Screen The following section provides a brief explanation of each field on the Device Statistics screen and instructions for using them Device Statistics Displays the Device Statistics counter mode The counter mode lets you determine how you want the Device Statistics screen to gather statistics You can choose the following methods e Accumulate Initiates a new statistic count Delta Total of statistics beginning from the last screen refresh e Total Total of statistics beginning from the last power up Interface Displays the network interface This field is always 1 Page 5 22 LOCAL MANAGE MENT Frames Received Displays the total frames detected the ring since the TRXI was last powered on or reset KBytes Received Displays the kilobyte sum of all frames detected on the TRXI since it was last powered up or reset Errors Received Displays the total Isolating and Non Isolating Errors detected by the TRXI Beacon States Dis
29. T Building the Allowed List Note You must set the Security Modefidd to Disabled beforeyou build the allowed list To build the allowed list 1 2 Use the arrow keys to highlight the Security M ode field Press Return to toggle selections Disabled Alarm Only Remove Alarm Select the Alarm Only option Use the arrow keys to highlight the SAVE EXECUTE command Press Return The TRXI enables ring security and generates the allowed list The SECURITY MODE CHANGED message appears at the top of the screen Toview theallowed list you must refresh the Ring Security screen by exiting then re entering the screen Adding Stations to the Station Address Allowed List To add stations one at a time to the Station Address allowed list 1 2 Use the arrow keys to highlight the Stn Edit field Press Return to clear the field Enter the MAC address of the station you want to add in XX XX XX XX XX XX format To delete characters use the Backspace key Use the arrow keys to highlight the Add Del field Press Return to toggle selections Select the Add option Use the arrow keys to highlight the SAVE EXECUTE command Press Return The station s MAC address appears on the screen Page 5 20 LOCAL MANAGE MENT Deleting Stations from the Station Address Allowed List To delete stations from the Station Address allowed list 1 2 6 7 Use the arrow keys to highlight the Stn Edit field Press Ret
30. TRXI 22 24 42 AND TRXI 44 TOKEN RING INTELLIGENT HUB USER S GUIDE CaBICTROTn SYSIEITIS The Complete Networking Solution CABLETRON SYSTEMS P O Box 5005 Rochester NH 03867 0505 Cabletron Systems reserves the right to make changes in specifications and other information contained in this document without prior notice The reader should in all cases consult Cabletron Systems to determine whether any such changes have been made The hardware firmware or software described in this manual is subject to change without notice IN NOEVENT SHALL CABLETRON SYSTEMS BE LIABLE FORANY INCIDENTAL INDIRECT SPECIAL OR CONSEQUENTIAL DAMAGES WHATSOEVER INCLUDING BUT NOT LIMITED TO LOST PROFITS ARISING OUT 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 M ay 1994 by Cabletron Systems Inc P O Box 5005 Rochester NH 03867 0505 Rights Reserved Printed in the United States of America Order Number 9030740 02 M ay 94 TRXI 22 TRXI 24 TRXI 42 TRXI 44 and TPIM aretrademarks of Cabletron Systems Inc SPECTRUM LANVIEW and Remote LANVIEW are registered trademarks of Cabletron Systems Inc IBM is a registered trademark of International Business Machines Corporation DEC 200 and VT300 are trademarks of Digital Eq
31. Table statistics 2 rmon 1 History History Control Table history 1 rmon 2 Token Ring ML History Table history 3 Alarm Alarm Table Alarm 1 rmon 3 Event Event Table event 1 rmon 9 Log Table event 2 Token Ring Ring Station Control Table token ring 1 rmon 10 Ring Station Table token ring 2 Ring Station Order Table token ring 3 Ring Station Config Control Table token ring 4 Ring Station Config Table token ring 5 Token Ring Port Interface Modules TPIMs TPIMs are optional features that let you expand your trunk connections using different media types TPI Ms have embedded repeaters and retime all data Cabletron offers a variety of TPIMs for trunk Ring In or Ring Out connections Table 1 2 lists each Table 1 2 TPIMs TPIM Media Type Connector 1 Shielded Twisted Pair DB9 TPIM T2 Unshielded Twisted Pair RJ 45 TPIM TA Shielded Twisted Pair RJ 45 TPIM F2 Multimode Fiber Optic ST TPIM F3 Single mode Fiber Optic ST Page 1 4 INTRODUCTION Flash EEPROMs TheTRXI uses Flash EEPROMs that allow you to download new updated firmware using Cabletron s Remote LANVIEW Windows version 2 3 or later or any device using BOOTP or TFTP protocols Cabletron s Distributed LAN Monitor Cabletron Systems Distributed LAN Monitor DLM is a software option for the TRXI DLM provides a method for locally polling and monitoring devices on a local area network to minimize network management traffic
32. This type is used in patch panels or to connect devices to from wall jacks Attenuation for Type 6 cable is 3 2 x Type 1 cable 66 m of Type 6 2100 meters of Type 1 IBM Type 9 Similar to Type 1 but uses 26 AWG solid wire Attenuation for Type 9 cableis 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 indude the attenuation of the cables connectors patch panels and reflection losses due to impedance mismatches in the segment Table 2 3 STP Cable Specifications Frequency Impedance Attenuation Types 162 4MHz 1500 15 lt 22 dB km 6 7 db 1000 ft 16 MHz 1500 15 45 dB km 13 7 db 1000 ft Types 6 6 9 4 1500 15 33 dB km 10 db 1000 ft 16 MHz 1500 15 lt 66 dB km 20 db 1000 ft Page 2 4 REQUIRE MENTS SPECIFICATIONS Maximum Lobe Lengths The lobe length is the physical length of the cable connecting a station to its TCU port at the TRXI Table 2 4 shows the maximum lobe length according to ring speed The cable lengths listed in Table 2 4 are total lengths made up of STP cable only Table 2 4 STP Maximum Lobe Lengths STP Cable Type Ring Speed 4 Mbps 16 Mbps IBM Types1 amp 2 200 meters 100 meters 660 feet 330 feet IBM Types 6 amp 9 only 30 meters 30 meters for station to wall jack 99 feet 99 feet and patch panels Maximum Trunk Lengths The maximum trunk
33. age Version TRXI LOCAL MANAGEMENT Flash Image Version X XX XX DEVICE STATUS DEVICE SETUP CHASSIS STATUS VIEW SYSTEM LEVEL COMPONENT STATUS VIEW SNMP COMMUNITY NAMES RMON VIEW SNMP TRAPS RING SECURITY FLASH DOWNLOAD RETURN RETURN Figure 5 4 Local Management Menu Screen Page 5 6 LOCAL MANAGE MENT Selecting a Menu Option To select a menu option Use the arrow keys to highlight a menu option 2 Press Return The selected screen appears Exiting a Local Management Screen To exit a Local Management screen 1 Usethe arrow keys to highlight the RETURN command at the bottom of the screen 2 PressReturn Local Management returns tothe associated M enu screen Exiting Your Local Management Session To exit your Local Management session Usethe arrow keys to highlight the RETURN command at the bottom of the screen 2 Repeat Step 1 until you arrive at the Main Menu screen 3 arrow keys to highlight the EXIT LM command at the bottom of the Main Menu screen 4 Press Return The Password screen appears Page 5 7 LOCAL MANAGE MENT 5 3 1 The System Level Screen The System Level screen lets you view information such as COM port status and MAC address You can also use the System Level screen to set the Address Subnet Mask and System Date System Time Figure 5 5 shows the System L evel screen TRXI LOCAL MANAGEMENT Flash Image Version X XX XX SYSTEM
34. al STN Station Not Functional Figure 3 11 The Phantom and RI RO Switches Page 3 12 INSTALLATION 3 82 Installing a TPIM to the TRXI To install a TPIM perform the following steps Caution Observe all static precautions whilehandling TPIMs 1 Remove the mounting screw from the faceplate of the RI RO port on the TRXI If you replacing a TPI M remove the mounting screw and pull the TPIM straight out from the TRXI Slide the new TPIM into place as shown in Figure 3 12 Ensure the connectors on the rear of the module and on the inside of the TRXI mate properly Reinstall the mounting screw LNK e PINT Figure 3 12 Installing a TPIM Page 3 13 INSTALLATION 3 8 3 Connecting a Twisted Pair Segment to the TPIM T1 Before connecting a segment to the TPIM T1 check each end of the segment to determine if the wires have been pinned properly To connect a TPIM T1 toa Twisted Pair Segment Insert the DB9 connector on the segment into DB9 port on the TPIM as shown in Figure 3 13 Figure 3 13 The TPIM T1 2 Check that the LNK LED on the TPIM lights green If the LED lights red is not lit perform each of the following steps until it is a b Check that the device at the other end of the segment is on Verify that the DB9 is pinned properly Check the cable for continuity Check that the twisted pair connection meets dB loss and cable specifications outlin
35. attery backed Non Volatile Random Access Memory NVRAM If you power up or reset the TRXI NVRAM retains the allowed list and automatically re enables ring security TRXI LOCAL MANAGEMENT Flash Image Version X XX XX RING SECURITY STATION ADDRESS 00 00 00 00 00 00 Stn Edit 00 00 00 00 00 00 Add Security Mode Disabled SAVE EXECUTE NEXT SCREEN PREVIOUS SCREEN RETURN Figure 5 8 Ring Security Screen You can append the allowed list by temporarily disabling ring security then re enabling it using the Alarms Only feature The TRXI acts as the Ring Security Monitor for the ring and provides security for the entire ring Note You should enablethe Ring Security feature on only one TRXI per token ring You can select two modes of ring security Alarm Only and Alarm Remove the Alarm Only mode new stations can enter the ring but a station added trap alarm notifies the N etwork Management Station NM S of the event Page 5 17 LOCAL MANAGE MENT The trap alarm includes the new station s MAC address so that you can decide if the new station should be allowed to remain on the ring If you select the Alarm Remove mode ring security sends a Remove MAC Frame Command to new stations attempting to enter the ring and a trap alarm to the NMS informing it of the action taken If the Remove MAC Frame Command fails to remove the new station after three attempts ring security sends a trap alarm tothe NMS informing
36. cable length between the TRXI and another active device is equal to the maximum drive distance as shown in Table 2 5 When the neighboring token ring deviceis a passive device the combined length of twice the longest trunk cable plus the longest lobe cable attached tothe passive ring segment cannot exceed the Maximum Drive Distance Table 2 5 STP Maximum Drive Distance STP Cable Type Ring Speed 4 Mbps 16 Mbps IBM Types 1 amp 2 770 meters 346 meters 2525 feet 1138 feet IBM Types 6 amp 9 513 meters 230 meters 1683 feet 755 feet Maximum Number of Stations When you use STP lobe cabling everywhere on the ring the TRXI support up to 250 stations at ring speeds of either 4 or 16 Mbps Page 2 5 REQUIRE MENTS SPECIFICATIONS 2 1 3 Mixed Cable Types If you mix cable types in your installation you must compensate for the different cable attenuations Type 6 and Type 9 cables can be run for only 2 3 the distance of Type 1 This means 10 meters Type 1 6 6 meters Types 6 9 Example Maximum Length for Mixed Cabling Installation 16Mbps ring speed and 130 stations The building has 60 meters of Type 1 cable the wall How much Type 6 cableis available to connect the repeater TCU port to the patch pane and the station to the local wall jack Type 6 only 2 3 the distance of Type 1 Solution 100 meters maximum cable length if only Type 1 cable is used 60 meters of Type
37. cabling RX TX LNK TPIM F2 Figure 2 6 The TPIM F2 Note Thetransmitter power levels and receive sensitivity levels given arePeak Power L evds after optical overshoot A Peak Power M eter must be used to correctl y comparethe values gi ven to those measured on any particular port If Power Leds measured with an Average Power Meter then 3 dBm must beadded tothemeasurement to correctl y compare those measured values to the values listed i e 30 5 dBm 33 5 dBm average Parameter Typical Worst Worst Case Typical Value Case Budget Budget Receive Sensitivity 30 5 dBm 28 0 dBm Peak Input Power 7 6dBm 8 2 dBm Transmitter Power 50 125 um fiber 13 0 dBm 15 0dBm 13 0 dB 17 5 dB 62 5 125 um fiber 10 0 dBm 12 0dBm 16 0 dB 20 5 dB 100 140 uum fiber 7 0dBm 9 0dBm 19 0 dB 23 5 dB Error Rate Better than 10 10 Page 2 14 REQUIRE MENTS SPECIFICATIONS TPIM F3 The TPIM F 3 shown in Figure 2 7 is an ST connector that supports Single Mode fiber Optic cabling RX LNK TPIM F3 Figure 2 7 The TPIM F3 Note Transmitter Power decreases as temperatures rise and increases as temperatures fall Usethe Output Power Coefficient to calculate increased or decreased power output for your operating environment For example thetypical power output at 25 C is 16 4 dBm For a 49 temperatureincrease multiply thetypical coefficient 0 15 dBm
38. ce IP address and the community names Caution Community Names are passwords to Local Management Remember your Community Local Management passwords accorded Read Only and Read Write access privileges are not allowed editing capabilities to some fields In this case the message AUTHORIZATION PROHIBITS ACCESS appears Figure 5 6 shows the SNMP Community Names screen TRXI LOCAL MANAGEMENT Flash Image Version SNMP COMMUNITY NAMES Component Name Community Name Access Policy TRXI Chassis MGR public READ ONLY TRXI Chassis ring1 READ WRITE Chassis MGR lt CR gt SUPER USER RETURN Figure 5 6 SNMP Community Names Screen Page 5 13 LOCAL MANAGE MENT The following sections provide a brief explanation of each field on the SNMP Community Names screen and instructions for using them Component Name Displays the component name as TRXI Chassis M anager Community Name Displays the Community Name or password to Local Management Access Displays the access level accorded to each community name The following list defines each access code Read Only This allows read only access to Local Management but exdudes access to security protected fields of the upper levels of authorization Read Write or Super U ser Read Write This allows you to read and write to Local Management fields excluding Address Subnet Mask and Community Names and Ring Security Super User This allows rea
39. cognized F rame Copied errors This indicates that the reporting NAUN is faulty The node cannot set the address recognized indicator and or frame copied indicator bits in the frame which it has copied This leaves the downstream node with an incorrect NAUN address Abort Transmit Errors Displays the total abort delimiter 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 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 adapter hardware or firmware possibly an inoperable chipset timers or counters RING INFORMATION Ring Information provides ring status information Active Monitor Addr Displays the MAC address of the active monitor The active monitor initiates recovery procedures from various error situations Ring Status This field lists the current status of the ring being monitored by the TRXI TRXI displays the following ring status conditions Page 5 24 LOCAL MANAGE MENT Unknown Indicates the state of the ring cannot be detected by the management station e Closed Indicates that the management station is not inserted intothering and therefore cannot determinethe ring state e Normal Indicates the ring is running with no pr
40. d instructions for using them Port Status Displays the port status as Administrative or Operational Temp Displays the hub temperature as Normal Warm or Hot Mode Displays the current status view as Operational or Administrative Enable All Ports Enables all TRXI ports Page 5 28 LOCAL MANAGE MENT Operational Selects the status view mode as Operational or Administrative Refresh99sec Displays the time interval between screen counter updates You can choose refresh intervals in increments of 3 seconds with the maximum interval being 99 seconds Return Returns the screen to the Device Status screen Setting the Enable All Ports Option To set the Enable All Ports option 1 Usethe arrow keys to highlight Enable All Ports 2 Press Return to Enableall the TRXI ports Setting the Operational Administrative Mode Option To set the Operational Administrative M ode option 1 Usethe arrow keys to highlight Operational or Administrative 2 Press Return to select Operational or Administrative The selected mode appears in the Mode field Setting the Refresh Field To set the Refresh field 1 Usethe arrow keys to highlight the REF RESH 99sec field at the bottom of the screen 2 Press the Shift and keys to increment the time interval or the key to decrease thetime interval 3 Pressthe Return key to save your changes Page 5 29 LOCAL MANAGE MENT 5 3 7 The Component Status View Screen The Component
41. d write access to all modifiable parameters including Community Names Addresses Traps Ring Security and SNMP objects Editing the Community Name Field To edit the Community Name field Use the arrow keys to highlight the Community Name field 2 Enter the password up to 26 characters in length into the field If you press Return without entering a password the field defaults to Public 3 Usethearrow keys to highlight the SAVE command at the bottom of the screen 4 PressReturn The SAVED message appears indicating that your changes have been saved to memory Page 5 14 LOCAL MANAGE MENT 5 3 3 The SNMP Traps Screen The SNMP Traps screen lets you designate which management workstations receive trap messages Figure 5 7 shows the SNMP Traps screen TRXI LOCAL MANAGEMENT Flash Image Version X XX XX SNMP TRAPS Trap Destination Trap Community Name Enable Traps 0 0 0 0 CR N 0 0 0 0 CR 0 0 0 0 CR 0 0 0 0 CR 0 0 0 0 CR 0 0 0 0 CR 0 0 0 0 CR 0 0 0 0 CR RETURN Figure 5 7 SNMP Traps Screen The following sections provide a brief explanation of each field on the SNMP Traps screen and instructions for using them Trap Destination Indicates thelP Address of the workstation that will receive trap alarms from the TRXI Trap Community Name Displays the user defined name of the SNMP Compliant Network Management Workstations to receive trap alarms from the TRXI E
42. ddress as the destination but finds the address recognized indicator bits not set to zero This indicates a possible duplicate address Rcvr Congestion Errors Displays the total number of Rcvr Congestion Errors This indicates a station is receiving repeating a frame and recognizes a frame addressed to it but has no buffer space available for the frame Token Errors Displays the total number of Token Errors Token Errors occur when an active monitor does not see a token circulating on the ring before its TVX Timer Valid Transmission time expires e g a lost frame error has occurred or sees a recirculating frame or token The active monitor is responsiblefor purgingthe ring and issuing a new token Frequency Errors 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 When the node detects a frequency error it enters the monitor contention process Total Displays a running total of statistics beginning from the TRXI s last power on Accumulate Initiates a new statistic count The TRXI begins totaling statistics after you select accumulate Delta Displays the total statistics beginning at the last screen Refresh Refresh99sec Displays thetime interval between screen counter updates You can chooserefresh in
43. e the arrow keys to highlight the SAVE command Press Return The SAVED message appears on the screen indicating that your changes have been saved to memory Setting the Clear All NVRAM Field To set the Clear All NVRAM field 1 2 2 Use the arrow keys to highlight the Clear All NVRAM field Press Return to toggle from Yes to No Select Yes to dear NVRAM or Noto escape the field Use the arrow keys to highlight the SAVE command Press Return The SAVED message appears on the screen indicating that your changes have been saved to memory Setting the Enable Beacon Recovery Field To set the Enable Beacon Recovery field 1 2 Use the arrow keys to highlight the Enable Beacon Recovery field Press Return to toggle from Yes to No Select Yes to enable Beacon Recovery or No to escape the field Use the arrow keys to highlight the SAVE command Press Return The SAVED message appears on the screen indicating that your changes have been saved to memory Page 5 12 LOCAL MANAGE MENT 5 3 2 The SNMP Community Names Screen The SNMP Community Names screen lets you set community names Community names serve two purposes they act as passwords to Local Management and they are agents of security control to your You control TRXI access by establishing up tothree levels of security authorization Read Only Read Write and Super User Only a user with Super User access can change the devi
44. ed in Chapter 2 Check that the port is enabled through the Local Management If a link still has not been established contact Cabletron Systems Technical Support Page 3 14 INSTALLATION 3 8 4 Connecting a Twisted Pair Segment to the TPIM T2 or TPIM T4 The TPIM T2 supports UTP cabling and the TPI M T4 supports STP cabling The method for connecting an RJ 45 connector to an RJ 45 port is the same for both UTP and STP cabling Before connecting a segment to the TPIM T2 T4 check each end of the segment to ensure the wires are pinned properly To connect a segment to a TPIM T2 T4 Insert the RJ 45 connector on the twisted pair segment into the RJ 45 port on the TPIM as shown in Figure 3 14 Figure 3 14 The TPIM T2 T4 2 Check that the LNK LED on the TPIM lights green If the LED lights red or is not lit perform each of the following steps until it is a b Check that the device at the other end of the segment is Verify that the RJ 45 is pinned properly Check the cable for continuity Check that the twisted pair connection meets dB loss and cable specifications outlined in Chapter 2 Check that the port is enabled through Local Management If a link still has not been established contact Cabletron Systems Technical Support Page 3 15 INSTALLATION 3 8 5 Connecting a Fiber Optic Link Segment to the TPIM F2 or TPIM F3 When connecting a fiber optic link segment to the TPIM F2 or TPIM
45. es greater than 40 C to ensure that cable attenuation remains within specification Check the cable manufacturer s specifications In addition to complying with the preceding cable specifications the following recommendations should be followed to minimize errors and help to obtain optimum performance from your network e cabling should be free of splices stubs or bridged taps Nomore than two punch down blocks between TCU ports and wall outlets Metal troughs ducts etc carrying token ring signals should be properly grounded Page 2 9 REQUIRE MENTS SPECIFICATIONS e Token ring signals should not be routed through copper cables that exit a building or which are adjacent to cables either exiting a building or exposed to lightning strikes and power surges e UTP cables that contain 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 since the noise coupling from such signals could directly cause errors on the token ring network e For singletelecommunications closet rings lobe lengths should not exceed 100 meters or 22 to 24 AWG wirefrom the attaching device and the TCU port e When possible use dedicated UTP cable for token ring signals Page 2 10 REQUIRE MENTS SPECIFICATIONS 2 3 1 COM 2 PORT SPECIFICATIONS The RJ 45 COM 1 and COM 2 ports support Console Modem UPS and SLIP applications
46. gle mode fiber optic link Fiber Optic Budget Fiber optic budget is the combination of the optical loss due tothe fiber optic cable in line splices and fiber optic connectors When determining the maximum fiber optic cable length the fiber optic budget total loss of 10 0 dB or less between stations should be calculated and considered before fiber optic cable runs are incorporated in any network design Page 2 8 REQUIRE MENTS SPECIFICATIONS 2 2 CABLE RECOMMENDATIONS TROUBLESHOOTING The following sections describe common cable problems and recommendations for correcting them Crosstalk Crosstalk is interference caused by signal coupling between the different cable pairs contained within a multi pair cable bundle Multi pair 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 either crosstalk or externally induced impulses If noise induced errors are suspected it may be necessary to reroute cabling away from potential noise sources motors switching equipment fluorescent lighting high amperage equipment or to ensure that the electrical wiring in the area is properly wired and grounded Temperature The attenuation of PVC insulated cable varies significantly with temperature Plenum rated cables are strongly recommended at temperatur
47. he station boots up If the LED is not lit perform each of the following steps until it is a Check that the device at the other end of the twisted pair segment is on and the network interface driver is initialized b Verify that theRJ 45 connector on the twisted pair segment has the proper pinouts Check the cable for continuity d Check that thetwisted pair connection meets dB loss and cable specifications outlined in Chapter 2 Check Local Management to ensure the port is enabled If a link still has not been established contact Cabletron Systems Technical Support Page 3 10 INSTALLATION 3 8 INSTALLING THE TPIM RI RO MODULES TPIMs provide RI RO trunk port connections that support various media for trunk cabling You can attach different media types at the Ring In port and Ring Out port For example you can insert TPIM T1 as the Ring In port and a TPIM T4 as the Ring Out port The following sections explain how to set the Phantom Switch set the RI RO Switch install the TPIM tothe TRXI and attach segments to the TPIM Prior to connecting trunk cabling tothe TPIMs check the connectors for proper pinouts Table 3 1 provides a cross reference of pinouts for TPIMs used for Ring In or Ring Out applications Table 3 1 Pinout Cross Reference for TPIMs Signal TPIM T2 T4 214 1 1 RJ 45 RJ 45 DB9 DB9 Ring In Ring Out Ring In Ring Out TX
48. inches 7 2H x 43 6W x 34 6D cm 7 95 pounds 11 95 pounds gt 944 197 hours projected 0 5 hour INSTALLATION CHAPTER 3 INSTALLATION This chapter outlines the procedure for installing a TRXI and connecting it to a network Be sure that your network meets the guidelines and requirements outlined in Chapter 2 Requirements Specifications before installing the TRXI 3 1 UNPACKING THE TRXI Unpack the TRXI as follows e RemovetheTRXI from the shipping box e Slide the two foam end caps off the TRXI e Remove theTRXI from the protective plastic bag and set it aside to prevent damage e Visually inspect the TRXI If there are any signs of damage contact Cabletron Systems Technical Support immediately 3 2 ATTACHING THE STRAIN RELIEF BRACKET Attach the strain relief bracket tothe front of the TRXI as follows 1 Locatethestrain relief bracket and four 8 32 x 3 8 screws from the TRXI installation kit Caution Use of longer screws may cause damageto the unit or electrical shock Page 3 1 INSTALLATION 2 Attach thestrain relief bracket to the bottom of the TRXI as shown in Figure 3 1 TRXI 24 TOKEN RING HUB with LANVIEW 000000 000000 000000 Figure 3 1 Attaching the Strain Relief 3 3 INSTALLING THE TRXI The TRXI can be rack mounted wall mounted or placed on horizontal surface Select one of the following subsec
49. it that the station could not be removed The following section provides a brief explanation of each field and command on the Ring Security screen and instructions for using them Note Before you begin you must set uptheTRXI s SNMP Traps screen to designate which Network Management Stations rece vetrap alarms refer totheSNMP Traps screen section Thisensuresthattrap alarms generated by ring security arrive at the appropriate destination Station Address This field lists the MAC address of each station on the ring security allowed list This field can lists up to 250 MAC addresses on 22 local management screens Stn Edit The Station E dit command lets you add or delete stations from the allowed list Usethe Stn Edit command for single entry edits tothe allowed list refer to the Alarm Only security mode definition for information about adding multiple users Security Mode This command lets you set the Security Mode for the ring Security Modes determine the level of ring security You can select the following Security Modes e Disabled This is the factory default setting Use this option to temporarily disable ring security so that new stations can enter the ring e Alarm Only In this mode ring security allows new stations to enter the ring When a station enters the ring ring security sends a station added trap alarm to the Network Management Station Page 5 18 LOCAL MANAGE MENT The station added trap
50. its TCUs for Shielded Twisted Pair STP or Unshielded Twisted Pair UTP network lobe connections The TRXI 22 24 42 and 44 are functionally identical with the exception of the TCU lobe ports Cabletron offers the following TRXI configurations TRXI 22 twelve RJ 45 TCU lobe ports that support category 3 4 and 5 UTP cabling TRXI 24 twenty four RJ 45 TCU lobe ports that support category 3 4 and 5 UTP cabling e 42 twelve RJ 45 TCU lobe ports that support Type 1 2 6 or 9 STP cabling e TRXI 44 twenty four RJ 45 TCU lobe ports that support Type 1 2 6 or 9 STP cabling RO TRXI 24 TOKEN RING HUB with LANVIEW 2423222120 19 52252 MINIM MUN 000000 18 17 16 15 14 13 24 2 21 20 19 8 17 16 15 14 13 121110987 OACT 000000 LN M pen We 0 9 8 7 6 5 4 8 2 1 COM2 COM 12 RI Figure 1 1 The TRXI 24 Page 1 2 INTRODUCTION You can upgrade the TRXI 22 and TRXI 42 to twenty four ports using a twelve port upgrade kit available from Cabletron Systems Cabletron Part Number TRXI 24 UGKIT or TRXI 44 UGKIT TheTRXI provides two additional ports for Ring In and Ring Out connections These ports support Cabletron s Token Ring Port Interface Modules TPIMs TPIMs provide full repeater functionality They are not included with the TRXI but can be ordered separately from Cabletron Table 1 2 lists each TPIM 14 TRXI FEATURES Loca
51. l Management Local Management provides the tools to manage the TRXI and all of its attached segments You access Local Management by connecting a Digital Equipment Corporation VT 320 series terminal or a PC using VT320 emulation software to the TRXI s COM 1 port LCD and Reset Button The LCD provides status information about the TRXI such as power up diagnostics revision levels serial numbers and error alerts The TRXI also has a Reset Button to initialize the processor Both the LCD and the Reset Button are located on the front panel of the TRXI Ring Speed Switch The Ring Speed Switch lets you select ring speeds of either 4 Mbps or 16 Mbps The factory default setting is 16 Mbps LANVIEW LEDs Cabletron Systems LANVIEW LED Status Monitoring and Diagnostics System is a convenient troubleshooting tool that helps you diagnose power failures RI RO status cable faults ring speed link problems and network activity COM Port Applications The front panel COM 1 port supports Local Management applications Future capabilities for TRXI s serial ports include an SNMP proxy for Uninterruptible Power Supplies UPS the Serial Line Internet Protocol SLIP and Modem Page 1 3 INTRODUCTION RMON MIB Support TheTRXI supports the RMON MIB RFC 1271 1513 Token Ring Extensions shown in Table 1 1 Table 1 1 RMON MIB RFC 1271 1513 Support Group Subgroup Section Statistics Token Ring ML Stats
52. lay button located below the LCD window Press the Display button to scroll through each message If you do not press the Display button within ten seconds the display defaults back to the product name Displayed Message Address XXX200CXXX XXX MAC Address OOOOB 8xxxxxx RAM Image Rev Boot PROM Rev Flash Programmed xx Times COM 1 Baud Rate xxxxxx COM 1 Function xxxxxx COM 2 Baud Rate xxxxxx COM 2 Function xxxxxx Page 4 4 Comments Displays the current IP address This may be changed through Local Management Displays the Hardware or MAC address Displays the revision number of the Flash EEPROM Displays the revision number of the internal Boot PROM Displays the number of times the the Flash EEPROM has been programmed Displays the current baud rate of the COM 1 port Displays the current function Console Modem UPS or SLIP of the COM 1 port Displays the current baud rate of the COM 2 port Display the current function N A Console Modem UPS or SLIP of the COM 2 port 4 3 2 Alarm Messages TESTING AND TROUBLESHOOTING Alarm messages pertain to events that occur within the TRXI Press the Display button and hold for five seconds to access the alarm messages queue You can scroll through each message by pressing the Display button If you do not press the Display button for ten seconds the LCD defaults to the product name Displa
53. lure Normal Unsaved Initialization Messages Cabletron Hardware Init Cabletron BOOTP Discovery Cabletron TFTP Reg State Cabletron TFTP Complete Cabletron Writing Flash Cabletron Test in Progress Cabletron Boot Complete Page 4 6 Cabletron Cabletron Boot From Flash Eagle Test Cabletron Cabletron RARP Req State Bit Swap Test Cabletron TFTP in Progress Cabletron Erasing Flash Cabletron Flash Programmed Cabletron Programming LRAM Cabletron TRXI xx Cabletron TESTING AND TROUBLESHOOTING 4 3 4 Saved System Messages Saved System Message are device related start up or boot strap messages BOOTP TFTP host or start up error messages To access the Saved System M essages queue you must first enter the Saved Alarm Messages queue While in the Alarm Messages queue press the Display button and hold for five seconds You can scroll through each message by pressing the Display button If you do not press the Display button for ten seconds the LCD defaults to the product name Displayed Message TFTP Host TFTP File XXX XXX XXX XXX XXXXXXXXXXXXXXXX Last TFTP Host Last TFTP File XXX XXX XXX XXX XXXXXXXXXXXXXXXX BootP Host XXX XXX XXX XXX Page 4 7 LOCAL MANAGE MENT CHAPTER 5 LOCAL MANAGE MENT This chapter explains how to set up a management terminal to access theTRXI s Local Management It also explains the Local Management screens and instructions for using them Local Management
54. message includes the new station s MAC address so that you can decide if the new station should be allowed on the ring Toadd multiple users to the ring temporarily disable ring security using the Disable mode then select the Alarm Only mode to re enable ring security Ring Security stores the MAC address of each station on the ring to the allowed list This saves you from entering MAC addresses one at time using the Stn Edit command Refer to Building the Allowed List for instructions Alarm Remove This is the highest level of ring security When in the Alarm Remove mode ring security sends a Remove MAC Frame Command to new stations attemptingto enter the ring a trap alarm tothe NMS informing it of the action taken The Remove MAC Frame Command tries to automatically remove the station from the ring If it cannot remove the station from the ring after three attempts it sends a trap alarm to the NMS informing it that the station could not be removed SAVE EXECUTE This command saves all security mode changes tothe TRXI s NVRAM You must usethe SAVE EXE CUTE command for your changes totake effect NEXT SCREEN Use this command to scroll to the next screen of the allowed database PREVIOUS SCREEN Use this command to scroll back to the previous screen of the allowed database list RETURN Use this command to exit the Ring Security screen and return to the Device Setup screen Page 5 19 LOCAL MANAGE MEN
55. n the TRXI against the wall whereit will be permanently mounted with the network port facing down Using a pencil mark the wall location for the four pilot holes 4 Setthe TRXI 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 just drilled 5 Tighten each of theanchor screws until theanchor expands holding the anchor firmly in the wall then remove the screws completely 6 Position the TRXI on the wall over the anchors and reinstall the four anchor screws to attach the TRXI to the wall as shown in Figure 3 4 Tighten the four anchor screws 3 3 3 Free Standing Installation For a free standing shelf or tabletop installation locate the TRXI within 7 feet of its power source and with an unrestricted free surface area 21 inches wide 18 inches deep and 6 inches high as shown in Figure 3 5 Figure 3 5 Free Standing Installation Page 3 5 INSTALLATION 3 4 SETTING THE RING SPEED SWITCH The TRXI s Ring Speed switch lets you select ring speeds of 16 Mbps or 4 Mbps The factory default setting of the Ring Speed Switch is 16 Mbps Figure 3 6 shows the location of the Ring Speed Switch and the switch settings You can access the switch through the air vent with a small screwdriver To change the ring speed Turn off the TRXI 2 Placea small scre
56. nable Traps Enables the transmission of SNMP trap messages Page 5 15 LOCAL MANAGE MENT Setting SNMP Traps To set SNMP traps 1 2 Use the arrow keys to highlight the Trap Destination field Enter the address of the device that will receive trap alarms from the TRXI then press Return The format for this entry is XXX XXX XXX XXX with the value of XXX ranging from to 255 Use the arrow keys to highlight the Trap Community Name field Enter the community name of the device then press Return f you press Return without entering a community name the field defaults to lt CR gt Use the arrow keys to highlight the Enable Traps field Enter Y yes to send alarms from the TRXI to the workstation or N no to prevent alarms from being sent Usethe arrow keys to highlight the SAVE command at the bottom of the screen Press Return The SAVED message appears indicating that your changes have been saved to memory Page 5 16 LOCAL MANAGE MENT 5 3 4 The Ring Security Screen The Ring Security screen lets you control access to your token ring network Figure 5 8 shows the Ring Security screen When you enable ring security the TRXI stores the MAC address of each station on the token ring network in a secure database or allowed list Only stations on the allowed list can enter the ring The TRXI can store up to 250 station MAC addresses on the allowed list The TRXI retains the allowed list in its b
57. nications Le pr sent appareil num rique n met pas de bruits radio lectriques d passant les limites applicables aux appareils num riques dela 55 A prescrites dans le R glement sur le brouillage radio lectrique dict par le minist re des Communications du Canada CABLETRON SYSTEMS INC PROGRAM LICENSE AGREEMENT IMPORTANT Before utilizing this product carefully read this License Agreement This document is an agreement between you the end user and Cabletron Systems 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 DO NOT AGREE TO THE TERMS OF THISAGREEMENT PROMPTLY RETURN THE UNUSED PRODUCT TO THE PLACE OF PURCHASE FOR A FULL REFUND CABLETRON SOFTWARE PROGRAM LICENSE 1 LICENSE Youhavetherighttouseonly theone 1 copy of the Program provided in this package subject to the terms and conditions of this License Agreement Y ou 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 OTHERRESTRICTIONS You may not reverse engineer decompile
58. ns at any time without notice Data Buffer Memory RAM 4MB U pgradeable Internal Processor Intel 80C960CA at 16 MHz Controller Texas Instruments TM S380 Static RAM 32 KB with battery back up EPROM 128KB FLASH MEMORY 2 U pgradeable POWER SUPPLY REQUIREMENTS Note TheTRXI has a universal power supply This unit allows you to usean input power from 85 to 264 VAC 47 63 Hz The power supply has two outputs of 45 volts and 12 volts The maximum output power is 125 watts and the minimum efficiency is 6596 under all conditions of lineat full load The minimum and maximum load current from each output is shown below Output Min Load Max Load Max Power 5 Volts 1 00 Amps 15 Amps 75 Watts 12 Volts 0 15 Amps 4 Amps 48 Watts ENVIRONMENTAL REQUIREMENTS Operating Temperature 5 to 50 C Non operating Temperature 30 to 90 C Operating Humidity 5 to 95 non condensing Page 2 17 REQUIRE MENTS SPECIFICATIONS SAFETY This unit meets the safety requirements of UL 1950 CSA C22 2 No 950 and EN 60950 the EMI requirements of FCC Class A and EN 55022 Class A and the EMC requirements of EN 50082 1 WARNING It is theresponsibility of the person who sels thesysten to which the TRXI will bea part to ensurethat the total system meets allowed limits of conducted and radiated emissions PHYSICAL Dimensions Weight Unit Shipping SERVICE MTBF MTTR Page 2 18 2 8H x 17 0W x 13 5D
59. nting screws see Figure 3 3 4 19 Inch Rack sun TRXI 24 TOKEN RING HUB LANVIEW us ome 900000 e 5 5 e e e 9 e Lr 9 Screws 4 a Figure 3 3 Installing the TRXI in the Rack Page 3 3 INSTALLATION 3 3 2 Wall Mounting the TRXI When you wall mount the TRXI the cable connections must face down Perform the following steps to wall mount the TRXI Note 1 4 inch Molly screw anchors for wall mounting arenot included with the TRXI 1 Usethe supplied screws to attach the wall mounting brackets to the bottom of the TRXI as shown in Figure 3 4 There aretwo brackets one for each side D gt 9 Molly Screw Anchors 7 7727774 2 Molly Screws y Bracket Screws Wall Mounting Bracket Figure 3 4 Wall Mounting the TRXI 2 Selectthe wall location for the TRXI within 7 feet of a power outlet Warning Thereis a potential SHOCK HAZARD if thereis electrical wiring within thewall that interferes with drillingfor pilot holes Select a wall location wheredrilling pilot holes for the Molly screws will not comein contact with electrical wiring in the wall Page 3 4 INSTALLATION 3 You will need a pencil for this step With the wall mounting brackets attached to the TRXI positio
60. oblems and tokens are being detected by the management station e Purge Indicates that the active monitor has issued ring purge command Communications will be restored when a new token is released e Contention ndicates that the ring has entered intothe active monitor contention process to determine a new active monitor for the ring Beaconing Indicates that the management station has detected a beacon frame e Lobe Fail Indicates that a station failed the lobe self test when it attempted to insert into the ring Ring Number Displays the number of rings on the network Stations on a Ring Displays the number of stations inserted into the ring Ports Enabled Displays the number of network lobe ports enabled Ring Speed Displays the ring speed of the TRXI as either 4 Mb s or 16 Mb s NON ISOLATING ERRORS Non Isolating Errors are soft error conditions that could have been caused by any station on the ring Their fault domain cannot be detected Lost Frame Errors Displays the total number of Lost Frame Errors These errors occur when the adapter fails to receive the end of the frame it has just transmitted The frame was lost somewhere on the ring but there is no way to pinpoint where This be caused by stations entering or leaving the ring Page 5 25 LOCAL MANAGE MENT Frame Copied Errors Displays the total number of Frame Copied Errors These errors occur when a station finds a frame with its a
61. on an enterprise campus or wide area network 15 REMOTE NETWORK MANAGEMENT CAPABILITIES You can control and manage the TRXI using any Simple Network Management Protocol SNMP software Cabletron Systems offers the following remote management packages e Cabletron Systems SPECTRUM 9 e Cabletron Systems Remote LANVIEW Windows e Cabletron Systems Remote SPECTRUM Portable Management Applications TheTRXI remote network management capabilities provide the necessary management tools for the TRXI to operate at its full capacity Your ability to set up parameters with network management ensures optimal performance of the TRXI 16 RECOMMENDED READING We recommend the following publications if you need more information about implementing a token ring network Local Area Networks Token Ring Access Method IEEE Standard 802 5 1989 Commercial Building Wiring Standard EIA Standard Proposal No 1907 B if approved to be published as 568 LAN Troubleshooting Handbook Mark Miller 1989 M amp T Publishing Page 1 5 REQUIRE MENTS SPECIFICATIONS CHAPTER 2 REQUIREMENTS SPECIFICATIONS This chapter describes cable requirements power requirements and operating specifications for the TRXI Be sure that you read this chapter before you install the TRXI Your network must meet the requirements and conditions specified in this chapter to obtain satisfactory performance from this equipment Failureto follow these
62. or disassemble the Program 3 APPLICABLE LAW This License Agreement shall be interpreted and governed under the laws and the state and federal courts of New Hampshire You accept the personal jurisdiction and venue of the New Hampshire courts EXCLUSION OF WARRANTY AND DISCLAIMER OF LIABILITY 1 EXCLUSION OF WARRANTY Except as may be specifically provided by Cabletron in writing Cabletron makes no warranty expressed or implied concerning the Program induding Its documentation and media CABLETRON DISCLAIMS ALL WARRANTIES OTHER THAN THOSE SUPPLIED TO YOU BY CABLETRON IN WRITING EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TOIMPLIED WARRANTIES OF MERCHANTABLITY AND FITNESS FOR A PARTICULAR PURPOSE WITH RESPECT TO THE PROGRAM THE ACCOMPANYING WRITTEN MATERIALS AND ANY ACCOMPANYING HARDWARE 2 NOLIABILITY FOR CONSEQUENTIAL DAMAGES IN NO EVENT SHALL CABLETRON OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING WITHOUT LIMITATION DAMAGES FOR LOSS OF BUSINESS PROFITS BUSINESS INTERRUPTION LOSS OF BUSINESS INFORMATION SPECIAL INCIDENTAL CONSEQUENTIAL OR RELIANCE DAMAGES OR OTHER LOSS ARISING OUT OF THE USE OR INABILITY TO USE THIS CABLETRON PRODUCT EVEN IF CABLETRON HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES BECAUSE SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL ORINCIDENTAL DAMAGES OR ON THE DURATION OR LIMITATION OF IMPLIED WARRANTEES IN S
63. plays the total beacon states detected by the TRXI Stations transmit beacons when they detect bit streaming or signal loss on the ring Ring Purges Displays thetotal ring purge frames transmitted by the active monitor Active Monitor Changes Displays the number of times a different station has been active monitor ISOLATING ERRORS Isolating Errors are soft ring errors that report the domain of a fault that is you can isolate the fault s region to the transmitting adapter the receiving adapter and the components cabling and wiring concentrators between the two Line Errors Displays the total line errors detected by the TRXI Line Errors are corrupted frames that are detected by a node This type of error normally occurs when stations enter and leave ring This error can also indicate a problem with the receiver of the reporting node or the transmitter of its Nearest Active U pstream Neighbor or the cabling and hub hardware between them Page 5 23 LOCAL MANAGE MENT Burst Errors Displays the total burst errors detected by the TRXI Burst Errors are the absence of docking signals at a node s receiver This error normally occurs when stations enter or leavethe ring with the absence of phantom current This error can alsoindicate a problem with the receiver of the reporting node or the transmitter of its NAUN or the cabling and hub hardware between them AC Errors Displays the total Address Re
64. reen shown in Figure 5 3 appears TRXI LOCAL MANAGEMENT Cabletron Systems Incorporated PO Box 5005 Rochester NH 03867 0505 603 332 9400 c Copyright Cabletron Systems Inc 1994 Flash Image Version X XX XX Boot EPROM Version XX XX XX Board Revision X Enter User Password Figure 5 3 TRXI Password Screen 2 Enter your Password Thefactory default password is the Return key Note Your password is one of the community names specified the Community Name Table Access to certain Local Management capabilities depends on the degree of access accorded that community name See Section 5 3 2 for moreinformation about community names 3 If your password is valid the Main Menu screen shown in Figure 5 4 appears If your password is not valid the cursor returns to the beginning of the password field Page 5 5 LOCAL MANAGE MENT 5 3 USING LOCAL MANAGE MENT TRXI Local Management consists of three menu screens e theMain Menu screen e the Device Setup screen e and the Device Status screen Menu screens list TRXI Local Management options Figure 5 4 shows the menu screens and each Local Management option The following sections explain how to select and use each of the Local Management options TRXI LOCAL MANAGEMENT Flash Image Version MAIN MENU DEVICE SETUP DEVICE STATUS DEVICE STATISTICS MIB NAVIGATOR SNMP TOOL EXIT LM TRXI LOCAL MANAGEMENT Flash Im
65. rolls through OI Ds sequentially fromthe initial OID Cycle allows you to specify how many GetNext commands to cyde through for one OID Step pages through the MIB one OID at a time Page 5 35 LOCAL MANAGE MENT To walk through the MIB 1 2 Highlight WALK using the arrow keys Press the Return key 4 NITIAL gt OID F9 appears Enter the OID Press the Return key Local Management begins walking through the sublayers of the MIB available from the specified OID Each OID in thelist displays the specified OI D its size its data type and the data value Press any key to stop the walk or wait for MIB WALK COMPLETE D to appear on the screen To cyde through 1 2 7 8 Highlight CYCLES using the arrow keys Press the Return key ENTER CYCLE COUNT appears Enter the number of OID cycles that you want to scroll through Press the Return key ENTER CYCLE DELAY appears Enter the delay that you want in seconds between get next requests Press the Return key 4 NITIAL gt OID F9 appears Enter the OID Press the Return key To step through 1 2 3 Highlight GETNEXT using the arrow keys Press the Return key lt GETNEXT gt OID F9 appears Enter the OID only the suffix is necessary Page 5 36 LOCAL MANAGE MENT Press the Return key The initial OID details including its size data type and data value appear
66. s of thefi ber optic strands and donot amp the ends contact with dust dirt other contaminants Contamination of theends can causeproblems in data transmissions If the ends become contaminated clean them with alcohol using a soft clean lint free cloth Page 3 16 INSTALLATION To connect a fiber optic link segment to the TPIM F 2 or TPIM F3 1 Removethe protective plastic covers from the fiber optic ports on 2 the applicable port on the module and from the ends of the connectors on each fiber strand Attach thefiber labeled 1totheapplicablereceive port labeled RX on the module as shown in Figure 3 15 Figure 3 15 The TPIM F 2 F 3 Attach the fiber labeled 2 to the applicabletransmit port labeled TX on the module At the other end of the fiber optic cable attach the fiber labeled 1 tothe transmit port of the device Attach the fiber labeled 2 to the receive port Check that the LNK LED on the TPIM lights green If the LED does not light perform each of the following steps until it is a Check that the power is turned on for the device at the other end of the link b Verify that the fiber strands are properly crossed over between the applicable port on the module and the fiber optic device at the other end of the fiber optic link segment Page 3 17 INSTALLATION Verify that the fiber connection meets the dB loss specifications outlined in Fiber Optic Network Requirements
67. t button You can now use the factory default settings or re enter your own parameters The TRXI stores these parameters during normal operation and during power down and they remain there until you change the switch again Caution Do not changethestate of the NVRAM switch unless you intend to reset the TRXI user parameters to the factory default settings Page 3 7 INSTALLATION 3 6 CONNECTING THE TRXI TO THE POWER SOURCE Note The TRXI has a universal power supply This allows you to connect the TRXI to power sources from 85 Vac to 264 Vac 47 63 Hz To connect the TRXI to the power source plug the power cord into a grounded wall outlet Turn on the power switch at the back panel of the TRXI Verify that the PWR LED is lit indicating that the TRXI is receiving power After the TRXI runs a self test the CPU LED blinks green indicating normal operation If the LED remains red the processor is faulty 3 7 CONNECTING THE NETWORK LOBE PORT CABLING The TRXI 22 24 network lobe ports consist of unshielded RJ 45 connectors that support UTP cabling To connect a UTP segment from the TRXI to a station supporting STP cabling you need a Type 3 Media Filter available from Cabletron Systems TRMF TRMF 2 The TRXI 42 44 network lobe ports consist of shielded RJ 45 connectors that support STP cabling Shielded patch cables that adapt a shielded RJ 45 to a data connector MIC are available from Cabletron Systems PN 937
68. t format 4 Ifthe format is correct use the arrow keys to highlight the SAVE command at the bottom of the screen 5 Press Return The SAVED message appears on the screen indicating that your changes have been saved to memory Page 5 9 LOCAL MANAGE MENT Setting the System Time To set the system time 1 2 3 Usethe arrow keys to highlight the System Time field Enter the time into the field in a HH MM SS format Press Return If the format is not valid the message INVALID TIME appears Re enter the time using the correct format If the format is correct usethe arrow keys to highlight the SAVE command at the bottom of the screen Press Return The SAVED message appears on the screen indicating that your changes have been saved to memory Setting the IP Address To set the Address 1 2 Use the arrow keys to highlight the IP Address field Enter the Address into the field The format for this entry is XXX XXX XXX XXX with values of XXX ranging from 0 255 Press Return If the format is not valid the message INVALID IP FORMAT appears Re enter the IP Address using the correct format If the Address is correct use the arrow keys to highlight the SAVE command at the bottom of the screen Press Return The SAVED message appears on the screen indicating that your changes have been saved to memory Page 5 10 LOCAL MANAGE MENT Setting the Subnet Mask Note Consul
69. t your Network Administrator prior to setting the Subnet Mask The Subnet Mask defines how your TRXI treats SNMP Trap IP destination addresses in its Community Names table Set the Subnet Mask when workstations in the Community Names table reside on a different subnet i e across a gateway or router and you want these workstations to receive traps e Usethe Subnet Mask factory default setting of 0 0 0 0 when all trap designated workstations are on the TRXI subnet To set the Subnet Mask 1 Usethe arrow keys to highlight the Subnet Mask field 2 Press Return to dear the field 3 Enter the Subnet Mask into the field The format for this entry is XXX XXX XXX XXX with values of XXX ranging from 0 255 4 Press Return If the format is not valid the INVALID IP FORMAT message appears Re enter the Subnet Mask using the correct format 5 Ifthe format is correct use the arrow keys to highlight the SAVE command at the bottom of the screen 6 Press Return The SAVED message appears on the screen indicating that your changes have been saved to memory Setting the Clear SNMP Agent IP Address and Community Names Only Field To set this field 1 Usethearrow keys to highlight the Clear SNMP Agent Address and Community Names Only field 2 Press Return to toggle from Y es to No Page 5 11 LOCAL MANAGE MENT 3 Select Yes to Clear SNMP Agent Address and Community Names Only or Noto escape the field Us
70. tervals in increments of 3 seconds with the maximum interval being 99 seconds Page 5 26 LOCAL MANAGE MENT Selecting the Device Statistics Counter Mode To select the Device Statistics counter mode I Usethe arrow keys to highlight Accumulate Total or Delta at the bottom of the screen The currrent setting appears in the Device Statistics field at the top of the screen Only the unused counter modes appear at the bottom of the screen Press the Return key The selected counter mode appears at the top of the screen Setting the Refresh Field To set the Refresh field 1 Use the arrow keys to highlight the REF RESH 99sec field at the bottom of the screen Press the Shift and keys to increment the time interval or the key to decrease the time interval Press the Return key to save your changes Page 5 27 LOCAL MANAGE MENT 5 3 6 The Chassis Status View Screen The Chassis Status View screen displays the status of ports 1 24 the Ring In port and the Ring Out port You can also use this screen to enable the TRXI ports Figure 5 10 shows the Chassis Status View Screen TRXI LOCAL MANAGEMENT Flash Image Version X XX XX CHASSIS STATUS VIEW PORT STATUS ADMIN TEMP NORMAL 18 17 16 15 14 13 ON ON ON ON ON ON 6 5 4 3 2 1 ON ON ON ON ON ON ENABLE ALL PORTS OPERATIONAL REFRESH99sec RETURN Figure 5 10 Chassis Status View Screen The following sections provide a brief explanation of each field an
71. the station and cable specifications explained in Chapter 2 b Besurethat all devices in thering network are set tothe same ring speed Check all stations in the network 3 Ensure that the maxi mum cable length for EACH station and the maximum number of stations are not exceeded When you complete each of these checks successfully the TRXI is ready for normal operation problems occur contact Cabletron Systems Technical Support Page 4 1 TESTING AND TROUBLE SHOOTING 4 2 USING LANVIEW LANVIEW is Cabletron Systems built in visual diagnostic and status monitoring system Using LANVIEW your network troubleshooting personnel can quickly scan the LANVIEW LEDs to observe network status or diagnose network problems and determine which node or segment is faulty Figure 4 1 describes each of the front panel LANVIEW LEDs TRXI 24 TOKEN RING HUB witH LANVIEW 24 23 22 2120 19 181716151413 12 11 10 9 oPWR OACT 0000 DISPLAY RESET OCPU 16 Mb s OMGMT 9 54 2 1 LED LED COLOR DEFINITION Lobe Port Status Off Port Enable No Link or Port Disable No Link Ports 1 24 Green Solid Port Enable Link Green Blinking Port Disable Link RI RO Green Solid TPIM Inserted Ring In Ring Out Red Solid TPIM Not Inserted PWR Off No Power Power Green Solid Power 16 Mb s Yellow Solid 16 Mbps Ring Speed Ring Speed
72. tions and perform the steps that are applicable for your installation If you decide not to install the TRXI in a 19 inch rack the following requirements must be met when selecting a location Note Besurethat the location selected is within reach of the network cabling Anunrestricted free surface area at least 21 inches wide 18 inches deep and 6 inches high is needed single phase 85 to 264 Vac 15A grounded power receptacle must be located within 7 feet of the site e Ifa shelving unit is to be used it must be able to support 30 pounds of static weight e Thetemperature for the selected location must be maintained between 5 and 50 C and less than 10 C per hour temperature change Page 3 2 INSTALLATION 3 3 1 Rack Mounting the TRXI Refer to Figure 3 2 and perform these steps to install the TRXI ina 19 inch rack 1 Remove four cover screws two from each side located along the front edges of each side of the TRXI 2 Usingthe four cover screws removed in step 1 attach the rack mounting brackets to each end of the TRXI Wall Rack Mounting Brackets 2 TRXI 24 TOKEN RING HUB with LANVIEW 000000 900000 Screws 4 Figure 3 2 Rack Mount Brackets Installation 3 With the mounting brackets installed position the TRXI between the vertical frame members of the 19 inch rack and fasten it securely with the mou
73. uipment Corporation CompuServe is a trademark of Compuserve Inc Printed Recycled Paper ug 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 equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment uses generates and can radiate radio frequency energy and if not installed in accordance with the operator s manual may cause harmful interference to radio communications Operation of this equipment residential area is likely to cause interference in which case the user will be required to correct the interference at his own expense WARNING Changes or modifications made to 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 Commu
74. unity Name changes Getting and Setting OIDs To get an OID 1 Highlight GET using the arrow keys 2 Press the Return key lt GET gt OID F9 appears Page 5 33 LOCAL MANAGE MENT 3 Enter an OID either by e using the keyboard to enter the OID Shortcut Save yourself some keystrokes by typing the OID minus the OI D s prepend i e given an OI D prepend of 1 3 6 1 you enter 2 1 1 4 0 and the Local Management gets the MIB 1 sysContact OID 1 3 6 1 2 1 1 4 0 e pressing F9 to recall an OID already entered and using the keyboard to modify the recalled OI D as necessary e entering an and the OID suffix e g if you enter 2 1 1 4 0 the OID 1 3 6 1 2 1 1 4 0 This allows you to digress and not use the prepend Press the Return key If thereis noinstance of that OID the TRXI displays MIB INSTANCE Otherwise the TRXI displays that OI D s data type length and value To get the next OID 1 2 Highlight GETNEXT using the arrow keys Press the Return key lt GETNEXT gt OID F9 appears Enter the OID Press the Return key If that OID does not exist the TRXI displays MIB INSTANCE Otherwise the TRXI displays that OID s data type length and value Shortcut f you have previously entered an OID press F9to recall that entry You can use the arrow keys to modify the recalled OID or if you have not previously entered the OID type the OID minus the OI D s prepend
75. urn to clear the field Enter the MAC address of the station you want to delete XX XX XX XX XX XX format To delete characters use the Backspace key Use the arrow keys to highlight the Add Del field Press Return to toggle selections Select the Del option Use the arrow keys to highlight the SAVE EXECUTE command Press Return Thestation s MAC address is deleted Note You must set ring security to the Alarm Remove mode to effectively ddetea station from the allowed list and keep it off If you ddetea station from the allowed list whilein theAlarm Only mode the station can reenter thering and its Mac address will reappear in the allowed list Changing the Ring Security Mode To change the Security Mode 1 2 Use the arrow keys to highlight the Security M ode field Press Return to toggle selections Disabled Alarm Only Remove Alarm Select the desired option Use the arrow keys to highlight the SAVE EXECUTE command then Press Return The TRXI enables the selected mode of ring security Page 5 21 LOCAL MANAGE MENT 5 3 5 The Device Statistics Screen The Device Statistics screen lets you view ring information isolating errors non isolating errors Figure 5 9 shows the Device Statistics screen TRXI LOCAL MANAGEMENT Flash Image Version X XX XX DEVICE STATISTICS INTERFACE 1 RING INFORMATION Frames Received 0 Active Monitor Addr 00 00 00 00 00 00 KBytes
76. wdriver through the TRXI s air vent to access the Ring Speed Switch 3 Usethe screwdriver to slide the switch to the desired setting as shown in Figure 3 6 4 Turn on the TRXI 5 Check that the Ring Speed LED indicates the correct setting RING SPEED SWITCH SETTINGS 16 Mbps 4 Mbps E TOKEN RING HUB with LANVIEW 554526 555552 hir Y o o oo 000000 2 E a Ring Speed LED Indicator On 16 Mbps Off 4 Mbps Figure 3 6 The Ring Speed Switch Page 3 6 INSTALLATION 35 SETTING THE NVRAM SWITCH Figure 3 7 shows the location of the NVRAM Reset Switch The TRXI uses NVRAM Non Volatile Random Access M emory to store user entered parameters such as address and device name The Reset Switch restores these parameters to the factory defaults You do not have to remove the chassis cover to access the NVRAM switch NVRAM RESET SWITCH TRXI 24 TOKEN RING HUB wit LANVIEW ee df 000000 i Figure 3 7 NVRAM Reset Switch To restore TRXI parameters to the factory defaults 1 Change the state of this switch i e move the switch from one position to another 2 Press the TRXI s Rese
77. yed Messages No Messages in Queue Port Disabled Port Enabled Port xx Violation Ring Beaconing Beacon Recovered Beacon Recv Port xx Removed Ring Port xx Faulted Fault Recovery Oscillation Comments No alarm messages in queue This is theAlarm Messages default setting Network port or TPIM turned off via Local or Remote Management Network port or TPIM turned on via Local or Remote Management Indicates unauthorized access attempt at network lobe ports Indicates a station is attempting to recover from a hardware problem on the ring Indicates the ring has recovered from a beaconing situation Indicates that a station has been removed from the ring as a result of the beacon recovery process Indicates a TPIM RI or RO has Autowrapped Indicates that the network has been in and out of a beaconing state several times Page 4 5 TESTING AND TROUBLESHOOTING 4 3 3 Unsaved Initialization Messages These are power up messages that appear on the LCD as the event occurs but are not saved a buffer for future recall If a Failure or Error Message appears call Cabletron Technical Support Failure or Error Messages Cabletron Ctrl Reg Err Cabletron SDRAM Failure Cabletron Bit Swap Failure Cabletron LDRAM Failure Cabletron Eagle Failure Cabletron BBRAM Failure Cabletron Modem SCC Error Cabletron Console SCC Error Cabletron 82C54 Fai
78. yourself with this manual s organization and content Chapter 1 Introduction outlines the contents of this manual and briefly describes features of the TRXI Chapter 2 Requirements Specifications describes cabling requirements network guidelines and TRXI operating specifications Chapter 3 Installation contains instructions for installing your TRXI and connecting it to the network using the various media types This chapter indudes instructions for setting the Ring Speed Switch setting the NVRAM Switch installing the Token Ring Port Interface Modules TPIMs and setting the TPIM Phantom Switch Chapter 4 Testing and Troubleshooting contains procedures for testing the TRXI after installation a description of the LANVIEW LEDs and explains the front panel LCD display Chapter 5 Local Management describes how to access Local Management It also describes each of the Local Management screens and the available commands Page 1 1 INTRODUCTION 12 GETTING HELP If you need additional support related to the Cabletron Systems TRXI or if you have any questions comments or Suggestions concerning this manual contact Cabletron Systems Technical Support By 603 332 9400 Monday Friday 8am 89m EST CompuServe CTRON from any prompt By Internet mail support ctron com 13 TRXI OVERVIEW TheTRXI stand alone concentrator provides Trunk Coupling Un

Enterasys (TRXI-24) Networking Hub

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