Manuals / Cabletron Systems / Computer Equipment / Switch

Cabletron Systems 2E43-27R, 2E42-27 2.3 100BASE-TX NETWORK, 2.4 100BASE-FX FIBER OPTIC NETWORK

Models: 2E42-27R 2E43-27R 2E42-27 2E43-27

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2.3100BASE-TX NETWORK

Chapter 2: Network Requirements

2.3100BASE-TX NETWORK

The 2E4X-27, with an FE-100TX installed in ports 25 and 26, provides an RJ45 connection that supports UTP cabling, which has an impedance of 85 to 111 ohms. The device at the other end of the twisted pair segment must meet IEEE 802.3u 100BASE-TX Fast Ethernet network requirements for the devices to operate at 100 Mbps. Refer to the Cabletron Systems Cabling Guide for details.

NOTE

The 2E4X-27 with an FE-100TX installed is capable of operating at either 10 or 100 Mbps. The FE-100TX can automatically sense the speed of the other device and adjusts its speed accordingly.

2.4100BASE-FX FIBER OPTIC NETWORK

Ports 25 and 26 of the 2E4X-27 support the Cabletron Systems FE-100FX and FE-100F3 ﬁber optic interface modules. The device at the other end of the ﬁber optic segment must meet the 100BASE-FX Fast Ethernet network requirements to operate at 100 Mbps. Refer to the Cabletron Systems Cabling Guide for details.

Multimode Mode Fiber Optic Cable Length

The maximum multimode ﬁber optic cable length of a 100BASE-FX segment is covered in the Cabletron Systems Cabling Guide.

Single Mode Fiber Cable Lengths

The maximum single mode ﬁber optic length of a 100BASE-FX segment may be no more than 5 km between Data Terminal Equipment (DTE to DTE) in half duplex mode or 20 km (DTE to DTE) in full duplex mode.

2-2	2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide

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Cabletron Systems 2E43-27R 2.3 100BASE-TX NETWORK, 2.4 100BASE-FX FIBER OPTIC NETWORK, Single Mode Fiber Cable Lengths

Contents

2E42-27 2E42-27/2E42-27R/2E43-27/2E43-27R SmartSwitch User’s Guide9031960-05 2E43-27Page 2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide Only qualiﬁed personnel should perform installation proceduresFCC NOTICE CABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT INDUSTRY CANADA NOTICEVCCI NOTICE 2E42-27/2E42-27R/2E43-27/2E43-27R User’s GuideUNITED STATES GOVERNMENT RESTRICTED RIGHTS EXCLUSION OF WARRANTY AND DISCLAIMER OF LIABILITYCABLETRON SOFTWARE PROGRAM LICENSE 2E42-27/2E42-27R/2E43-27/2E43-27R User’s GuideLASER RADIATION AND CONNECTORS SAFETY INFORMATION CLASS 1 LASER TRANSCEIVERSSAFETY INFORMATION CLASS 1 LASER TRANSCEIVERS 2E42-27/2E42-27R/2E43-27/2E43-27R User’s GuideApplication of Council Directives 89/336/EEC 73/23/EEC DECLARATION OF CONFORMITY2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide Manufacturer’s Name Cabletron Systems, Inc2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide CHAPTER CONTENTSINSTALLATION INTRODUCTIONCHAPTER ContentsTROUBLESHOOTING CHAPTERContents 2E42-27/2E42-27R/2E43-27/2E43-27R User’s GuideSPECIFICATIONS ContentsSPECIFICATIONS OPTIONAL INSTALLATIONS AND1.2 STRUCTURE OF THIS GUIDE 1.1 USING THIS GUIDECHAPTER INTRODUCTION 1.3 2E4X-27 FEATURES Chapter 1 IntroductionFull Duplex Switched Ethernet FDSE support for 20 Mbps or 1.4 2E4X-27 OVERVIEW 1.4.1 Connectivity1.4.2 Full Duplex Switched Ethernet 1.4.3 SmartTrunk1.4.4 Runtime IP Address Discovery 1.4.5 Management1.4.7 Standards Compatibility 1.4.6 Switching Options1.4.9 LANVIEW Diagnostic LEDs 1.4.8 Year 2000 Compliant1.4.10 Optional Features Table 1-1 Fast Ethernet Interface ModulesDocument Conventions 1.5 DOCUMENT CONVENTIONSThe following conventions are used throughout this document 2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide1.6 GETTING HELP 1.7 RELATED MANUALS 2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide Chapter 1 Introduction1-12 2.2 10BASE-T NETWORK CHAPTER NETWORK REQUIREMENTS2.1 SmartTrunk Multimode Mode Fiber Optic Cable Length 2.3 100BASE-TX NETWORK2.4 100BASE-FX FIBER OPTIC NETWORK Single Mode Fiber Cable LengthsCHAPTER INSTALLATION 3.2 INSTALLING OPTIONS 3.1 UNPACKING THE 2E4X-27Guidelines for Tabletop and Shelf Installations 3.3 INSTALLING THE 2E4X-273.3.1 Tabletop or Shelf Installation Installation3.3.2 Rackmount Installation Guidelines for the Rackmount InstallationRack mounting the 2E4X-27 involves the following Proceed as follows to install the 2E4X-27 into a 19-inch rack 3.3.3 Connecting Power to the 2E42-27 or 2E43-27 3.3.4 Connecting Power to the 2E42-27R or 2E43-27R Figure 3-5 2E42-27R/2E43-27R Rear View3.4 CONNECTING TO THE NETWORK 3.4.1 Connecting UTP Cables to Ports 1 Through3.4.1.1 2E42-27 or 2E42-27R Cable Connections 3.4.1.2 2E43-27 or 2E43-27R Cable Connections Figure 3-7 Cable Pinouts - RJ45 Crossover CableFigure 3-9 Connection Using the RJ21 Angle Adapter Figure 3-8 2E43-27 or 2E43-27R Straight Cable Connection3.4.2 Connecting a UTP Segment to the FE-100TX Figure 3-10 FE-100TX Crossover Switch 100 FE-100TX3.4.3 Connecting a Fiber Optic Segment to the FE-100FX and FE-100F3 Fiber Optic Network ConnectionFigure 3-11 FE-100FX and FE-100F3 Ports RX LED3.5 COMPLETING THE INSTALLATION 2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide Chapter 3 Installation3-18 CHAPTER TROUBLESHOOTING 4.1 USING LANVIEWSolid indicates a steady LED light. No ﬂashing Chapter 4 TroubleshootingFlashing indicates an LED ﬂashing randomly 2E42-27/2E42-27R/2E43-27/2E43-27R User’s GuideTable 4-1 LANVIEW LEDs Continued Using LANVIEW2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide Color4.2 FE-100TX LED 100 LED Receive RX LEDNo link exists if the associated port 25 or 26 RX Receive LED is off Table 4-3 10/100 LED Indications When RX LED Is OffFE-100TX LED 2E42-27/2E42-27R/2E43-27/2E43-27R User’s GuideTable 4-4 Troubleshooting Checklist 4.3 TROUBLESHOOTING CHECKLISTChapter 4 Troubleshooting Problem2E42-27 4.4 USING THE RESET BUTTONdowntime of up to two minutes will result from this action Chapter 4 Troubleshooting 2E42-27/2E42-27R/2E43-27/2E43-27R User’s GuideCHAPTER LOCAL MANAGEMENT 5.1 OVERVIEW2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide 5.2 LOCAL MANAGEMENT KEYBOARD CONVENTIONSChapter 5 Local Management Table 5-1 Keyboard Conventions5.3 MANAGEMENT TERMINAL SETUP 5.3.1 Console Cable Connection Figure 5-1 Management Terminal ConnectionTable 5-2 VT Terminal Setup 5.3.2 Management Terminal Setup ParametersManagement Terminal Setup Display Setup Menu5.3.3 Monitoring an Uninterruptible Power Supply Figure 5-2 Uninterruptible Power Supply UPS Connection5.4 ACCESSING LOCAL MANAGEMENT Figure 5-3 The 2E4X-27 Local Management Password Screen5.4.1 Navigating Local Management Screens Figure 5-5 802.1Q Switching Mode, LM Screen Hierarchy Accessing Local ManagementFigure 5-4 802.1D Switching Mode, LM Screen Hierarchy 2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide5.4.2 Selecting Local Management Menu Screen Items 5.4.3 Exiting Local Management ScreensTo exit LM using the RETURN command, proceed as follows 5.5 DEVICE MENU SCREEN DEVICE CONFIGURATIONDEVICE STATISTICS NETWORK TOOLS5.6 DEVICE CONFIGURATION MENU SCREEN ETHERNET FULL DUPLEX CONFIGURATION GENERAL CONFIGURATIONSWITCH CONFIGURATION SMARTTRUNK CONFIGURATION5.7 GENERAL CONFIGURATION SCREEN TFTP Gateway IP Addr Modiﬁable Default Gateway ModiﬁableSubnet Mask Modiﬁable Device Date ModiﬁableDisplays the total time that the device has been operating 5.7.1 Setting the IP Address 5.7.2 Setting the Subnet Mask 5.7.3 Setting the Default Gateway Figure 5-11 Conﬁguration Warning Screen5.7.4 Setting the TFTP Gateway IP Address 5.7.5 Setting the Device Date 5.7.6 Setting the Device Time5.7.8 Setting the Screen Lockout Time 5.7.7 Entering a New Screen Refresh Time5.7.9 Setting the Operational Mode 802.1D SWITCHING, 802.1Q SWITCHING, or SECURE FAST VLAN5.7.10 Conﬁguring the COM Port 2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide General Conﬁguration ScreenIf the COM port is reconﬁgured without a valid IP address set 5-275.7.10.1 Changing the Com Port Application 5.7.11 Clearing NVRAM 5.7.12 Enabling/Disabling IP Fragmentation 5.8 SNMP COMMUNITY NAMES SCREEN Figure 5-15 SNMP Community Names Screen5.8.1 Establishing Community Names To establish community names, proceed as follows 5.9 SNMP TRAPS SCREEN 5.9.1 Conﬁguring the Trap Table Enable Traps Toggle5.10 SWITCH CONFIGURATION SCREEN Displays the base hardware address assigned to each listed port 5.10.3 Setting Enabling or Disabling the Port Status 5.10.1 Setting the STA5.10.2 Setting the Age Time Field Status Toggle5.11 ETHERNET FULL DUPLEX CONFIGURATION SCREEN Figure 5-18 Ethernet Full Duplex Conﬁguration ScreenThis section explains each ﬁeld of the Full Duplex Conﬁguration screen 5.11.1 Setting the Operation Mode 5.12 DEVICE SPECIFIC CONFIGURATION MENU SCREEN Figure 5-19 Device Speciﬁc Conﬁguration Menu Screen HIGH SPEED INTERFACE CONFIGURATIONSYSTEM RESOURCES FLASH DOWNLOAD 5.13 SYSTEM RESOURCES SCREEN802.1Q VLAN CONFIGURATION PORT REDIRECT FUNCTIONThe following brieﬂy explains each ﬁeld of the System Resources screen NVRAM Installed Read-only 5.13.1 Setting the Reset Peak Switch Utilization5.14 HIGH SPEED INTERFACE CONFIGURATION MENU SCREEN Current Switch Utilization Read-onlyFigure 5-21 High Speed Interface Conﬁguration Menu Screen FAST ETHERNET INTERFACESHSIM 5.15 HIGH SPEED INTERFACE CONFIGURATION SCREEN Figure 5-22 High Speed Interface Conﬁguration ScreenCurrent Oper. Mode Read-only Port Type Read-onlyLink Status Read-only Desired Oper. Mode Selectable Advertised Ability Selectable5.15.1 Conﬁguring an FE-100FX or FE-100F3 in Port 25 or 5.15.2 Setting the FE-100FX or FE-100F3 Operational Mode5.15.4 Setting the FE-100TX Operational Mode 5.15.3 Conﬁguring an FE-100TX in Port 25 or5.15.5 Setting the FE-100TX Advertised Ability 5.16 FLASH DOWNLOAD SCREEN Figure 5-23 Flash Download ScreenThe following brieﬂy explains each ﬁeld of the Flash Download screen Download Server IP Selectable 5.16.1 Image File Download Using BootP5.16.2 Image File Download Using TFTP Download File Name Selectable5.16.3 Image File Download Using Runtime For example /tftpboot/2E42.hexFor example /tftpboot/2E42.fls 5.17 PORT REDIRECT FUNCTION SCREEN Shows which ports are currently set as source ports 5.17.1 Displaying the Source and Destination Entries 5.17.2 Changing Source and Destination Ports5.18 BROADCAST SUPPRESSION SCREEN Time Since Peak Read-Only Figure 5-25 Broadcast Suppression/Statistics ScreenReset Peak Toggle 5.18.1 Setting the Threshold5.18.2 Setting the Reset Peak Section 5.7.9 provides instructions on setting the operational mode 5.19 DEVICE STATISTICS MENU SCREENSWITCH STATISTICS SECURE FAST VLANThe Device Statistics Menu screen displays the following menu items Chapter 5 Local Management 5.20 SWITCH STATISTICS SCREENFigure 5-27 Switch Statistics Screen Interface # Read-Only5.21 INTERFACE STATISTICS SCREEN Figure 5-28 Interface Statistics Screen Interface Read-OnlyName Read-Only InUnicast Read-Only InErrors Read-OnlyInOctets Read-Only InNonUnicast Read-OnlyOutNonUnicast Read-Only OutErrors Read-OnlyAdmin Status Read-Only OutDiscards Read-Only5.21.2 Using the Clear Counters Command 5.21.1 Displaying Interface Statistics5.22 RMON STATISTICS SCREEN This ﬁeld displays the name of the entity that conﬁgured this entry Jabbers Read-only Oversized Pkts Read-onlyFragments Read-only Total Packets Read-only5.22.1 Displaying RMON Statistics 5.22.2 Using the Clear Counters Command 5.23 NETWORK TOOLSThere are two categories of commands in the command set Options SyntaxDescription Example5.23.1 Built-in Commands bridge ENABLE/DISABLE IFNUM/ALL Network Tools delete the default IP route to a managed devicedefroute delete interface number IP address defroutegeneral network statistics for the managed The netstat command provides a display ofnetstat option one of the two display optionsThe Network Tools connection to the device will be terminated resetTIP upon execution of this command traceroute IP address not reached, the command displays all next-hopprotocols that are currently supported are ARP routers in the path to the device. If the device isSyntaxsoftreset IP address. The IP address ﬁeld is mandatory The user must specify the remote host using itslinktrap Network Tools The atmstpstate command allows the user tooption as enable, disable, or status. The STATE atmstpstatedone, quit, exit 5.23.2 Special CommandsChapter 5 Local Management 5-88ELECTRICAL SPECIFICATIONS APPENDIX A SPECIFICATIONSA.1 DEVICE SPECIFICATIONS PHYSICAL PROPERTIESAppendix A Speciﬁcations A.4 ENVIRONMENTAL REQUIREMENTSA.5 INPUT/OUTPUT PORTS A.6 COM PORT/PIN ASSIGNMENTS A.7 REGULATORY COMPLIANCEAppendix A Speciﬁcations 2E42-27/2E42-27R/2E43-27/2E43-27R User’s GuideAPPENDIX B FE-100TX, FE-100FX, AND FE-100F3 SPECIFICATIONS B.1 FE-100TX2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide B.2 FE-100FXAppendix B FE-100TX, FE-100FX, and FE-100F3 Speciﬁcations 2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide B.3 FE-100F3FE-100F3 FE-100F3Appendix B FE-100TX, FE-100FX, and FE-100F3 Speciﬁcations 2E42-27/2E42-27R/2E43-27/2E43-27R User’s GuideAPPENDIX C OPTIONAL INSTALLATIONS AND MODE SWITCH BANK SETTINGS This section describes how to remove the 2E4X-27 chassis cover C.1 REQUIRED TOOLSC.2 REMOVING THE CHASSIS COVER Appendix C Optional Installations and Mode Switch Bank SettingsTo remove the chassis cover, proceed as follows C.2.1 Setting the Mode Switch Figure C-1 Removing the Chassis CoverSwitch deﬁnitions and positions are as follows Switch 7 - Clear NVRAM. Changing the position of this switch resets NVRAM on either the next power-up or the next operation of the front panel RESET button. All user-entered parameters, such as the IP address, device names, etc., are reset to the factory default settings. Once the 2E4X-27 resets, you can either use the factory default settings or re-enter your own parameters Figure C-3 Fast Ethernet Interface Module Connector Location C.3 INSTALLING OPTIONAL FAST ETHERNET INTERFACE MODULESInstalling Optional Fast Ethernet Interface Modules Connectorsb. Lift and remove the coverplate from the top of the front standoffs 2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide Installing Optional Fast Ethernet Interface Modules2. Remove the screw from the rear standoff. Save the screw 7. Reinstall the cover 2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide NumericsINDEX Index-12E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide IndexIndex-2 Index-3 Index2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide destination port2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide IndexIndex-4 VLAN configuration of Troubleshooting 4-1 checklistUninterruptible Power Supply connection of Unpacking Index2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide IndexIndex-6