Cabletron-systems STHI User Manual

CABLETRON SYSTEMS, P. O. Box 5005 Rochester, NH 03866-5005 STHIINTELLIGENT TOKEN RING STACKABLE HUBUSER’S GUIDE

Page 1-1 CHAPTER 1 Introduction Welcome to the Cabletron Systems STHI Intelligent Stackable Token Ring Hub User’s Guide . Please read through this m

STHI Overview Page 1-2 Figure 1-1. Front and Back Views of the STHI-24The STHI may be installed as a fully managed stand-alone device, or it may be s

STHI Overview Page 1-3 1.2.2 TCU Ports The four STHI models are functionally identical with the exception of the number and type of network ports the

STHI Overview Page 1-4 Active Circuitry 3 On each TCU port, STHI hubs provide active circuitry which filters, equalizes, and amplifies all received s

STHI Overview Page 1-5 1.2.4 Hub-By-Hub Bypass Control Unless otherwise configured by a user, all hubs in an STH/STHI stack are interconnected to for

STHI Overview Page 1-6 Improved Protection from Beaconing 1 By utilizing multiple Ring Out TCU ports, users can provide enhanced reliability for exis

STHI Overview Page 1-7 Figure 1-2. Improved Beacon Recovery Resolution for MAUs(8 Stations)(8 Stations)(8 Stations)(8 Stations)STHi TCUsRingOutRingO

Related Manuals Page 1-8 1.2.9 Local Management The STHI hub’s Local Management application displays packet and error statistics for the entire stack

Getting Help Page 1-9 By FTP ctron.com (134.141.197.25)Login: anonymous Password: your email address By United States Cabletron Systems, Inc.Postal

Page 2-1 CHAPTER 2 Requirements & Specifications This chapter describes network guidelines, power requirements, and operating specifications for t

NOTICE iii NOTICE 1 Cabletron Systems reserves the right to make changes in specifications and other information contained in this document without p

General Networking ConsiderationsPage 2-2Crosstalk 2Crosstalk is interference caused by signal coupling between different cable pairs contained within

Operating SpecificationsPage 2-3• UTP cables that contain Token Ring signals should not be simultaneously used for applications which may impress high

Operating SpecificationsPage 2-4Shield continuity is maintained by contacts within the female RJ45 that contact the metallic casing of the male RJ45 o

Operating SpecificationsPage 2-52.2.3 Supported MIB GroupsThe STHI provides access to the following Management Information Base groups and their respe

Operating SpecificationsPage 2-6When cancelling a MIB override, the user may have to reset twice (as described in the steps below) to actually change

Operating SpecificationsPage 2-72.2.7 Computing HardwareOperating System Memory: 2.0 MBInternal Processor: Intel i960 operating at 16 MHzNon-Volatile

Page 3-1CHAPTER 3InstallationThis chapter outlines the procedure for installing the STHI. Confirm that the network meets the guidelines and requiremen

Installing the STHIPage 3-23.1.2 Stacking the STHIThe rear panel of the STHI has four STACK ports exclusively reserved for connections to STH modules.

Installing the STHIPage 3-3Figure 3-2. Installing the Rack-Mount Brackets3. With the mounting brackets installed, position the STHI between the vert

Installing the STHIPage 3-4Figure 3-4. Installing the Wall-Mounting Brackets2. Select a wall location for the STHI within 7 feet of a power outlet.Po

NOTICE iv FCC NOTICE 2 This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may

Installing the STHIPage 3-5Figure 3-5. Wall-mounting the STHI3.1.6 Free-Standing InstallationsFor a free-standing shelf of table-top installation, in

TPIM InstallationPage 3-63.1.7 Connecting the STHI to the Power SourcePlug one end of the power cord into the back panel of the STHI and connect the o

Page 4-1CHAPTER 4TroubleshootingThis chapter contains instructions for using LANVIEW LEDs to troubleshoot physical layer network problems.4.1 LANVIEW

Trouble ResolutionPage 4-24.2 Trouble ResolutionIf this section does not guide the user to a solution, please contact Cabletron Systems Technical Supp

The Reset ButtonPage 4-3Management Failure 4If the MGMT LED is red, try resetting the STHI. If this does not resolve the problem, contact Cabletron Sy

NVRAM Reset SwitchPage 4-44.4 NVRAM Reset SwitchThe STHI incorporates a recessed NVRAM Reset switch (see Figure 4-2) which initializes NVRAM, the nonv

Page 5-1CHAPTER 5Local ManagementThis chapter explains how to set up a console to access the STHI’s Local Management interface (LM) and explains how t

Accessing LMPage 5-25.1.1 Dumb Terminal ConfigurationConfigure the LM console according to the parameter settings defined in Table 5-1. On VT100/200/3

Accessing LMPage 5-35.1.2 Console Cable ConfigurationConnect the console cable to the STHI as follows:1. Attach the male RJ45 connector to the COM por

Using LM ScreensPage 5-4bottom line of the screen, then the Main Menu screen shown in Figure 5-2 appears. Figure 5-2. Main Menu with Screen Anatomy L

NOTICE v CABLETRON SOFTWARE PROGRAM LICENSE 5 1. LICENSE. You have the right to use only the one (1) copy of the Program provided in this package su

Using LM ScreensPage 5-5Setting or Modifying Fields 2The Field Sensitive Help Line offers help while certain fields are selected. The Event Message Li

Using LM ScreensPage 5-65.2.2 Screen HierarchyFigure 5-3 illustrates the organization of the entire LM screen system.Figure 5-3. LM Screen HierarchyT

Using LM ScreensPage 5-7SNMP Traps 3The SNMP Traps screen (Section 5.5) is used to designate which Network Management Workstations will receive SNMP t

The System Level ScreenPage 5-85.3 The System Level ScreenAccess the System Level screen (Figure 5-4) from the Device Setup menu.Figure 5-4. System L

The System Level ScreenPage 5-95.3.3 Subnet MaskThe Subnet Mask determines how the STHI directs SNMP Trap messages (discussed in Section 5.5). The mas

The System Level ScreenPage 5-105.3.5 Enable Beacon Recovery This field allows the user to enable or disable the STHI’s Advanced Beacon Recovery Proce

The SNMP Community Names ScreenPage 5-11Retry Interval 2The Retry Interval field determines the duration between automatic retries of RI/RO ports disa

The SNMP Community Names ScreenPage 5-12The SNMP Community Names screen enables the user to establish or modify the community names which serve as pas

The SNMP Traps ScreenPage 5-135.5 The SNMP Traps ScreenAccess the System Level screen (Figure 5-6) from the Device Setup menu.Figure 5-6. SNMP Traps

The Chassis Status View ScreenPage 5-145.6 The Chassis Status View ScreenAccess the Chassis Status View screen (Figure 5-7) from the Device Status men

NOTICE vi UNITED STATES GOVERNMENTRESTRICTED RIGHTS 7 The enclosed product (a) was developed solely at private expense; (b) contains “restricted comp

The Chassis Status View ScreenPage 5-15• OPERATIONAL (read-only) lists each port’s operational status.• ADMINISTRATIVE allows the user to enable/disab

The Chassis Status View ScreenPage 5-16<–B–> Attached left/right & Bypassed - This STH is bypassed from the stack’s common ring. The ring co

The Chassis Status View ScreenPage 5-17Each port field (whether TPIM or TCU) may be set as follows:ON The port is enabled and will allow insertion.OF

The Chassis Status View ScreenPage 5-18RING OUT ENABLE Mode 2With the Chassis Status View screen in RING OUT ENABLE mode (Figure 5-9), all Port Status

The Chassis Status View ScreenPage 5-19OPERATIONAL Mode 3In OPERATIONAL mode (Figure 5-7), the Chassis Status View screen is read-only, displaying the

The Component Status ScreenPage 5-205.6.4 NEXT and PREVIOUSThe Chassis Status View screen lists ports in ranges of 12 at a time. Use the NEXT and PREV

The Device Statistics ScreenPage 5-21components, whether optionally available or included with the STHI, are listed on the Component Status View scree

The Device Statistics ScreenPage 5-22This read only screen enables the user to monitor the performance of the managed network. The error statistics pr

The Device Statistics ScreenPage 5-235.8.3 General Counter Fields (Group 1)Frames Received 1This displays the number of frames received by the STHI.KB

The Device Statistics ScreenPage 5-24Ring Status 2This displays the status of the ring to which the STHI is currently connected: if the STHI is bypass

CONTENTS vii CHAPTER 1 Introduction 1.1 Contents of This Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11.2 STHI Overview. . . . . .

The Device Statistics ScreenPage 5-255.8.5 Isolating Errors Fields (Group 3)Frames reporting isolating errors provide information that can be used to

The Device Statistics ScreenPage 5-26Internal Errors 5Internal errors may be detected by the adapter’s hardware and/or firmware. These errors cause th

The SNMP Tool ScreenPage 5-27Token Errors 4A Token Error may indicate that an active monitor either has detected a recirculating frame or token, or ha

The SNMP Tool ScreenPage 5-28IP address; another contains the current operational status of TCU port number 6. To access a specific bit of information

The SNMP Tool ScreenPage 5-29• Enter an ‘=’ followed by the complete OID. This bypasses the OID prepend specified above, enabling the user to digress

The SNMP Tool ScreenPage 5-305.9.6 WALKWALK functions like an automatically repeating STEP, rapidly scrolling through a MIB leaf by leaf from a user-s

The SNMP Tool ScreenPage 5-312. After “<SET> OID (=|F9)” appears, specify an OID by the same methods used in the GET procedure:3. Press the Retu

The SNMP Tool ScreenPage 5-32• ctDLCommitRAMtoFlash - 1.3.6.1.4.1.52.4.1.5.8.1.2.0 Cabletron’s Download Commit RAM to Flash OID determines whether the

Page A-1APPENDIX ATPIM SpecificationsA.1 OverviewToken Ring Port Interface Modules (TPIMs) are media adapter cards which extend network connections ont

Fiber Optic TPIM SpecificationsPage A-2Figure A-1. TPIM-T1/T2/T4 Pinouts for Ring In.Figure A-2. TPIM-T1/T2/T4 Pinouts for Ring Out.A.3 Fiber Optic

CONTENTS viii 3.1.4 Rack-Mounting the STHI . . . . . . . . . . . . . . . . . . . . 3-23.1.5 Wall-Mounting the STHI . . . . . . . . . . . . . . . . .

Fiber Optic TPIM SpecificationsPage A-3Figure A-3. The TPIM-F2 Faceplate.A.3.1 TPIM-F2 for Multimode FiberThe TPIM-F2 connector supports Multimode Fi

Fiber Optic TPIM SpecificationsPage A-4A.3.2 TPIM-F3 for Single Mode FiberThe TPIM-F3 connector supports Single Mode Fiber Optic cabling.Transmitter P

Fiber Optic TPIM SpecificationsPage A-5The transmitter power levels given in Table A-3 are Peak Power Levels after optical overshoot. A Peak Power Met

Page B-1APPENDIX BMedia SpecificationsUse of the STHI may involve a variety of cable types. The STHI hub’s network ports support either Shielded Twiste

Unshielded Twisted Pair (UTP)Page B-2Categories 4 and 5 are higher quality versions of category 3. They use the same gauge of wire but demonstrate sup

Shielded Twisted Pair (STP)Page B-3 Some UTP category 3 cables fail to meet the performance minimums required to support a Token Ring network. Whereas

Shielded Twisted Pair (STP)Page B-4IBM Type 6 consists of two STP of 26 AWG stranded wire for data. Because of its high attenuation, Type 6 is used on

Single Mode and Multimode Fiber Optic CablingPage B-5B.3 Single Mode and Multimode Fiber Optic CablingTPIM models F2 and F3 support multimode and sing

CONTENTS ix 5.5.1 Trap Destination . . . . . . . . . . . . . . . . . . . . . . . . . . 5-135.5.2 Trap Community Name . . . . . . . . . . . . . . . .

CONTENTS x A.3.1 TPIM-F2 for Multimode Fiber . . . . . . . . . . . . . . . A-3A.3.2 TPIM-F3 for Single Mode Fiber. . . . . . . . . . . . . . A-4 Ap