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Cabletron Systems TRXI-22 User Manual

Cabletron systems user's guide token ring intelligent hub trxi-22, trxi-24, trxi-42, trxi-44
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TRXI-22, TRXI-24, TRXI-42, AND TRXI-44
TOKEN RING INTELLIGENT HUB
USER'S GUIDE
CABLETRON SYSTEMS, P. O. Box 5005, Rochester, NH 03867-0505

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  • Page 1 TRXI-22, TRXI-24, TRXI-42, AND TRXI-44 TOKEN RING INTELLIGENT HUB USER’S GUIDE CABLETRON SYSTEMS, P. O. Box 5005, Rochester, NH 03867-0505...
  • Page 2 NOTICE NOTICE 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.
  • Page 3 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.
  • Page 4 7013 (c) (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...

  • Page 5: Table Of Contents

    REMOTE NETWORK MANAGEMENT CAPABILITIES ... 1-5 RECOMMENDED READING... 1-5 CHAPTER 2 REQUIREMENTS/SPECIFICATIONS CABLE SPECIFICATIONS... 2-1 2.1.1 UTP Cable Specifications for the TRXI-22/24 Lobe Ports and TPIM-T2 ... 2-2 2.1.2 STP Cable Specifications For The TRXI-42/44 Lobe Ports and TPIM-T1/T4... 2-4 2.1.3...
  • Page 6 CONTENTS 3.8.1 Setting the TPIM’s Phantom Switch and RI/RO Switch.. 3-12 3.8.2 Installing a TPIM to the TRXI...3-13 3.8.3 Connecting a Twisted Pair Segment to the TPIM-T13-14 3.8.4 Connecting a Twisted Pair Segment to the TPIM-T2 or TPIM-T4 ...3-15 3.8.5 Connecting a Fiber Optic Link Segment to the TPIM-F2 or TPIM-F3 ...3-16...

  • Page 7: Chapter 1 Introduction

    INTRODUCTION CHAPTER 1 INTRODUCTION Welcome to the Cabletron Systems TRXI-22, TRXI-24, TRXI-42, and TRXI-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.

  • Page 8: Getting Help

    The TRXI stand-alone concentrator provides Trunk Coupling Units (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: •...

  • Page 9: Trxi Features

    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). The TRXI provides two additional ports for Ring In and Ring Out connections. These ports support Cabletron’s Token Ring Port Interface Modules (TPIMs).
  • Page 10 INTRODUCTION RMON MIB Support The TRXI 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 Statistics Token Ring ML Stats Table rmon 1 History History Control Table rmon 2 Token Ring ML History Table Alarm Alarm Table...

  • Page 11: Remote Network Management Capabilities

    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 on an enterprise, campus, or wide area network.

  • Page 12: Chapter 2 Requirements/Specifications

    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.

  • Page 13: Utp Cable Specifications For The Trxi-22/24 Lobe Ports And Tpim-T2

    REQUIREMENTS/SPECIFICATIONS 2.1.1 UTP Cable Specifications for the TRXI-22/24 Lobe Ports and TPIM-T2 The TRXI-22 and TRXI-24 lobe ports and the TPIM-T2 support voice grade Unshielded Twisted Pair (UTP) cable, as described in EIA/TIA TSB 568, and IBM Type 3 cable.
  • Page 14 Category 4 Category 5 Type 3 Media Filters To connect a UTP lobe segment from a TRXI-22 or TRXI-24 to a station supporting STP cabling, you need a Type 3 Media Filter. Cabletron Systems offers the following Type 3 Media Filters: •...

  • Page 15: Stp Cable Specifications For The Trxi-42/44 Lobe Ports And Tpim-T1/T4

    REQUIREMENTS/SPECIFICATIONS 2.1.2 STP Cable Specifications For The TRXI-42/44 Lobe Ports and TPIM-T1/T4 The TRXI-42 and TRXI-44 lobe ports support IBM Type 1, 2, 6, and 9 STP cabling as described below: • IBM Type 1 - Two STP lengths of 22 AWG solid wire for data. Used for the longest cable runs within the walls of buildings.
  • Page 16 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.

  • Page 17: Mixed Cable Types

    REQUIREMENTS/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) Example: Maximum Length for Mixed Cabling Installation 16 Mbps ring speed and 130 stations.

  • Page 18: Multimode Fiber Optic Cable Specifications For The Tpim-F2

    2.1.4 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 50/125 m 13.0 dB or less 62.5/125 m 16.0 dB or less 100/140 m 19.0 dB or less Maximum Trunk Lengths...

  • Page 19: Single Mode Fiber Optic Cable Specifications For The Tpim-F3

    REQUIREMENTS/SPECIFICATIONS 2.1.5 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 8/125-12/125 m 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.

  • Page 20: Cable Recommendations/Troubleshooting

    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.
  • Page 21 REQUIREMENTS/SPECIFICATIONS • 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. • 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...

  • Page 22: Com 1/Com 2 Port Specifications

    2.3 COM 1/COM 2 PORT SPECIFICATIONS The RJ45 COM 1 and COM 2 ports support Console, Modem, UPS, and SLIP applications. A description of each COM port application is listed below: Note: Console is the only COM port application available at this time. Modem, UPS, and SLIP applications will be available in future TRXI releases.

  • Page 23: Tpim Specifications

    REQUIREMENTS/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. The LNK (Link) LED on each TPIM provides the following information: •...
  • Page 24 TPIM-T2 The TPIM-T2 is an RJ45 connector that supports UTP cabling. Figure 2-4 shows pinouts for Ring Out and Ring In applications. TPIM-T4 The TPIM-T4 is an RJ45 connector that supports STP cabling. Figure 2-5 shows pinouts for Ring Out and Ring In applications. REQUIREMENTS/SPECIFICATIONS 1 2 3 4 5 6 7 8 RING IN...
  • Page 25 REQUIREMENTS/SPECIFICATIONS TPIM-F2 The TPIM-F2 shown in Figure 2-6 is an ST connector that supports Multimode fiber Optic cabling. Note: The transmitter power levels and receive sensitivity levels given are Peak Power Levels after optical overshoot. A Peak Power Meter must be used to correctly compare the values given to those measured on any particular port.
  • Page 26 TPIM-F3 The TPIM-F3 shown in Figure 2-7 is an ST connector that supports Single Mode fiber Optic cabling. Note: Transmitter Power decreases as temperatures rise and increases as temperatures fall. Use the Output Power Coefficient to calculate increased or decreased power output for your operating environment. For example, the typical power output at 25 C is -16.4 dBm.
  • Page 27 REQUIREMENTS/SPECIFICATIONS Parameter Transmitter Peak Wave Length Spectral Width Rise Time/ Fall Time Duty Cycle Bit Error Rate: Note: The transmitter power levels 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.

  • Page 28: General Specifications

    2.5 GENERAL SPECIFICATIONS The operating specifications for the TRXI are described in this section. Cabletron Systems reserves the right to change these specifications at any time without notice. Data Buffer Memory (RAM): Internal Processor: Controller: Static RAM: EPROM: FLASH MEMORY: POWER SUPPLY REQUIREMENTS Note: The TRXI has a universal power supply.
  • Page 29 REQUIREMENTS/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 the responsibility of the person who sells the system to which the TRXI will be a part to ensure that the total system meets allowed limits of conducted and radiated emissions.

  • Page 30: Chapter 3 Installation

    • 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 to the front of the TRXI as follows: 1.

  • Page 31: Installing The Trxi

    INSTALLATION 2. Attach the strain relief bracket to the bottom of the TRXI as shown in Figure 3-1. TRXI-24 TOKEN RING HUB Figure 3-1. Attaching the Strain Relief 3.3 INSTALLING THE TRXI The TRXI can be rack mounted, wall mounted, or placed on any horizontal surface.

  • Page 32: Rack Mounting The Trxi

    3.3.1 Rack Mounting the TRXI Refer to Figure 3-2 and perform these steps to install the TRXI in a 19-inch rack. 1. Remove four cover screws (two from each side) located along the front edges of each side of the TRXI. 2.

  • Page 33: Wall Mounting The Trxi

    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 are not included with the TRXI. 1.

  • Page 34: Free-Standing Installation

    3. You will need a pencil for this step. With the wall mounting brackets attached to the TRXI, position the TRXI against the wall where it will be permanently mounted with the network port facing down. Using a pencil, mark the wall location for the four pilot holes. 4.

  • Page 35: Setting The Ring Speed Switch

    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.

  • Page 36: Setting The Nvram Switch

    DISPLAY 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 Reset button. You can now use the factory default settings or re-enter your own parameters.

  • Page 37: Connecting The Trxi To The Power Source

    3.7 CONNECTING THE NETWORK LOBE PORT CABLING The TRXI-22/24 network lobe ports consist of unshielded RJ45 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).
  • Page 38 Figure 3-9 illustrates possible configurations for both the TRXI-24 and TRXI-44. Token Ring Network Interface Card Token Ring Station STP to UTP Type 3 Media Filter OFFICE Token Ring Network Interface Card Token Ring Station OFFICE Figure 3-9. Configuration Examples for TRXI-24 and TRXI-44 WALL Punchdown Block...
  • Page 39 Check that the twisted pair connection meets dB loss and cable specifications outlined in Chapter 2. e. 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...

  • Page 40: Installing The Tpim Ri/Ro Modules

    Ring-In port and Ring-Out port. For example, you can insert a 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 to the TRXI, and attach segments to the TPIM.

  • Page 41: Setting The Tpim's Phantom Switch And Ri/Ro Switch

    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.

  • Page 42: Installing A Tpim To The Trxi

    3.8.2 Installing a TPIM to the TRXI To install a TPIM, perform the following steps: Caution: Observe all static precautions while handling TPIMs. 1. Remove the mounting screw from the faceplate of the RI/RO port on the TRXI. 2. If you are replacing a TPIM, remove the mounting screw and pull the TPIM straight out from the TRXI.

  • Page 43: Connecting A Twisted Pair Segment To The Tpim-T13-14

    Check that the twisted pair connection meets dB loss and cable specifications outlined in Chapter 2. e. 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...

  • Page 44: Connecting A Twisted Pair Segment To The Tpim-T2

    Check that the twisted pair connection meets dB loss and cable specifications outlined in Chapter 2. e. Check that the port is enabled through Local Management. If a link still has not been established, contact Cabletron Systems Technical Support. Figure 3-14. The TPIM-T2/T4...

  • Page 45: Connecting A Fiber Optic Link Segment To The Tpim-F2

    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 so that: at one end of the cable, one fiber is labeled 1, and the other fiber is labeled 2.
  • Page 46 To connect a fiber optic link segment to the TPIM-F2 or TPIM-F3: 1. Remove the protective plastic covers from the fiber optic ports on the applicable port on the module and from the ends of the connectors on each fiber strand. 2.

  • Page 47: Finishing The Installation

    Fiber Optic Network Requirements. d. Check that the port is enabled through TRXI Local Management. If a link still has not been established, contact Cabletron Systems Technical Support. 3.9 FINISHING THE INSTALLATION The TRXI is now ready for operation. Before placing the network into...

  • Page 48: Chapter 4 Testing And Troubleshooting

    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: 1.

  • Page 49: Using Lanview

    TESTING AND TROUBLESHOOTING 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.

  • Page 50: The Lcd Display

    4.3 THE LCD DISPLAY The TRXI 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: • Power up diagnostics • Revision levels •...
  • Page 51 TESTING AND TROUBLESHOOTING 4.3.1 Static System Messages These messages display TRXI configuration information. To view the Static System Messages, momentarily press the Display 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.

  • Page 52: Alarm Messages

    4.3.2 Alarm Messages 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.

  • Page 53: Unsaved Initialization Messages

    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 in a buffer for future recall. If a Failure or Error Message appears, call Cabletron Technical Support. Failure or Error Messages Cabletron Ctrl.

  • Page 54: Saved System Messages

    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 Messages 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.

  • Page 55: Chapter 5 Local Management

    LOCAL MANAGEMENT This chapter explains how to set up a management terminal to access the TRXI’s Local Management. It also explains the Local Management screens and instructions for using them. Local Management provides the tools to manage the TRXI and all of its attached segments.

  • Page 56: Management Terminal Requirements

    LOCAL MANAGEMENT 5.1 MANAGEMENT TERMINAL REQUIREMENTS To access TRXI Local Management, you need either: • a Digital Equipment Corporation VT series terminal • a VT type terminal running emulation programs for the Digital Equipment Corporation VT series • an IBM or compatible PC running a VT series emulation software package.

  • Page 57: Setting The Management Terminal Setup Parameters

    5.1.2 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 F3 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.

  • Page 58: Modem Cable Configuration And Setup

    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 a cable with an RJ45 connector at the TRXI end of the cable.

  • Page 59: Accessing Local Management

    TRXI LOCAL MANAGEMENT Cabletron Systems Incorporated P .O. 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: Enter User Password:...

  • Page 60: Using Local Management

    LOCAL MANAGEMENT 5.3 USING LOCAL MANAGEMENT TRXI Local Management consists of three menu screens: • the Main Menu screen • the Device Setup screen • and the Device Status screen. Menu screens list TRXI Local Management options. Figure 5-4 shows the menu screens and each Local Management option.
  • Page 61 Selecting a Menu Option To select a menu option: 1. 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. Use the arrow keys to highlight the RETURN command at the bottom of the screen.

  • Page 62: The System Level Screen

    LOCAL MANAGEMENT 5.3.1 The System Level Screen The System Level screen lets you view TRXI information such as COM port status and MAC address. You can also use the System Level screen to set the IP Address, Subnet Mask, and System Date/System Time.
  • Page 63 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.
  • Page 64 LOCAL MANAGEMENT Setting the System Time To set the system time: 1. Use the arrow keys to highlight the System Time field. 2. Enter the time into the field in a HH:MM:SS format. 3. Press Return. If the format is not valid, the message “INVALID TIME”...
  • Page 65 Setting the Subnet Mask Note: Consult 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.
  • Page 66 LOCAL MANAGEMENT 3. Select Yes to Clear SNMP Agent IP Address and Community Names Only or No to escape the field. 4. Use the arrow keys to highlight the SAVE command. 5. Press Return. The “SAVED” message appears on the screen indicating that your changes have been saved to memory.

  • Page 67: The Snmp Community Names Screen

    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 TRXI. You control TRXI access by establishing up to three levels of security authorization (Read Only, Read-Write, and Super-User).
  • Page 68 LOCAL MANAGEMENT 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 Manager. Community Name Displays the Community Name or “password” to Local Management. Access Displays the access level accorded to each community name.

  • Page 69: The Snmp Traps Screen

    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 Trap Destination 0.0.0.0 0.0.0.0 0.0.0.0 0.0.0.0 0.0.0.0 0.0.0.0 0.0.0.0 0.0.0.0 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.
  • Page 70 LOCAL MANAGEMENT Setting SNMP Traps To set SNMP traps: 1. Use the arrow keys to highlight the Trap Destination field. 2. Enter the IP 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 0 to 255.

  • Page 71: The Ring Security Screen

    LOCAL MANAGEMENT 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.”...
  • Page 72 LOCAL MANAGEMENT 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.
  • Page 73 The “station added” trap message includes the new station’s MAC address so that you can decide if the new station should be allowed on the ring. To add multiple users to the ring, temporarily disable ring security using the Disable mode, then select the Alarm Only mode to re-enable ring security.
  • Page 74 LOCAL MANAGEMENT Building the Allowed List Note: You must set the Security Mode field to Disabled before you build the allowed list. To build the allowed list: 1. Use the arrow keys to highlight the Security Mode field. 2. Press Return to toggle selections (Disabled, Alarm Only, Remove/ Alarm).
  • Page 75 Deleting Stations from the Station Address Allowed List To delete stations from the Station Address allowed list: 1. Use the arrow keys to highlight the Stn Edit field. 2. Press Return to clear the field. 3. Enter the MAC address of the station you want to delete in XX-XX-XX-XX-XX-XX format.

  • Page 76: The Device Statistics Screen

    LOCAL MANAGEMENT 5.3.5 The Device Statistics Screen The Device Statistics screen lets you view ring information, isolating errors, and non-isolating errors. Figure 5-9 shows the Device Statistics screen. TRXI LOCAL MANAGEMENT INTERFACE: 1 Frames Received: 0 KBytes Received: 0 Errors Received: 0 Beacon States: 0 Ring Purges: 0 Active Monitor Changes: 0...
  • Page 77 Frames Received Displays the total frames detected on 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.
  • Page 78 LOCAL MANAGEMENT Burst Errors Displays the total burst errors detected by the TRXI. Burst Errors are the absence of clocking signals at a node’s receiver. This error normally occurs when stations enter or leave the ring with the absence of phantom current. This error can also indicate a problem with the receiver of the reporting node, or the transmitter of its NAUN, or the cabling and hub hardware between them.
  • Page 79 • Unknown, Indicates the state of the ring cannot be detected by the management station. • Closed, Indicates that the management station is not inserted into the ring and therefore cannot determine the ring state. • Normal, Indicates the ring is running with no problems, and tokens are being detected by the management station.
  • Page 80 LOCAL MANAGEMENT Frame Copied Errors Displays the total number of Frame Copied Errors. These errors occur when a station finds a frame with its address 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.
  • Page 81 Selecting the Device Statistics Counter Mode To select the Device Statistics counter mode: 1. Use the 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.

  • Page 82: The Chassis Status View Screen

    LOCAL MANAGEMENT 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.
  • Page 83 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.

  • Page 84: The Component Status View Screen

    LOCAL MANAGEMENT 5.3.7 The Component Status View Screen The Component Status View screen is a view only screen that displays the functions operating in the TRXI. TRXI LOCAL MANAGEMENT COMPONENT NAME TRXI Chassis MGR TRXI LIM Network 1 TRXI Protocol Stack TRXI SNMP Agent TRXI RMON Figure 5-11.

  • Page 85: The Snmp Tools Screen

    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.
  • Page 86 LOCAL MANAGEMENT SNMP Community Name Identifies the community name MIB access level password. OID Prepend Specifies the number prefix common to all object identifiers (OIDs) found in a MIB. The prefix ‘1.3.6.1’ is the default. You can modify this field to suit your needs. Allows you to retrieve MIB objects, one at a time, using SNMP protocol.
  • Page 87 The Security Access Level Each MIB component that the TRXI supports (e.g., 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.
  • Page 88 LOCAL MANAGEMENT 3. Enter an OID either by: • using the keyboard to enter the OID. Shortcut: Save yourself some keystrokes by typing the OID minus the OID’s prepend (i.e., given an OID prepend of 1.3.6.1, you enter 2.1.1.4.0, and the Local Management gets the MIB II sysContact OID 1.3.6.1.2.1.1.4.0).
  • Page 89 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: {INteger String Null OId IP address Counter Gauge Timeticks OPaque} “DATA TYPE (name):”. Shortcut: If you have previously entered an OID, press F9 to recall that entry.
  • Page 90 LOCAL MANAGEMENT To walk through the MIB: 1. Highlight WALK, using the arrow keys. 2. Press the Return key. “<INITIAL> OID (=|F9)” appears. 3. Enter the OID. 4. Press the Return key. Local Management begins walking through the sublayers of the MIB available from the specified OID. Each OID in the list displays the specified OID, its size, its data type, and the data value.
  • Page 91 LOCAL MANAGEMENT 4. Press the Return key. The initial OID details, including its size, data type, and data value, appear. 5. Highlight STEP, using the arrow keys. 6. Press the Return key to page through the MIB to the next OID. Page 5-37...
  • Page 92 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 IEC 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.

This manual is also suitable for:

Trxi-44Trxi-24Trxi-42

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