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Cabletron Systems 2E42-27R, 2E43-27 manual A.6 COM PORT/PIN ASSIGNMENTS, A.7 REGULATORY COMPLIANCE

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

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COM Port/Pin Assignments

A.6 COM PORT/PIN ASSIGNMENTS

The COM port is a serial communications port that supports Local Management or connection to a UPS.

Table A-1shows the COM port pin assignments.

Table A-1 COM Port Pin Assignments

Pin	Signal Name	Input/Output


1	Transmit Data (XMT)	Output

2	Data Carrier Detect (DCD)	Output

3	Data Set Ready (DSR)	Input

4	Receive Data (RCV)	Input

5	Signal Ground (GND)	NA

6	Data Terminal Ready (DTR)	Output

7	Request to Send (RTS)	Input

8	Clear to Send (CTS)	NA

A.7 REGULATORY COMPLIANCE

Safety	UL 1950, CSA C22.2 No. 950,
	EN 60950, IEC 950, and 73/23/EEC
Electromagnetic	FCC Part 15, EN 55022, CSA C108.8,
Compatibility (EMC)	EN 50082-1, AS/NZS 3548,
	VCCI V-3, and 89/336/EEC

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

A-3

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Cabletron Systems 2E42-27R, 2E43-27R manual A.6 COM PORT/PIN ASSIGNMENTS, A.7 REGULATORY COMPLIANCE

Contents

2E43-27 2E42-27/2E42-27R/2E43-27/2E43-27R SmartSwitch User’s Guide9031960-05 2E42-27Page 2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide Only qualiﬁed personnel should perform installation proceduresFCC NOTICE 2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide INDUSTRY CANADA NOTICEVCCI NOTICE CABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide EXCLUSION OF WARRANTY AND DISCLAIMER OF LIABILITYCABLETRON SOFTWARE PROGRAM LICENSE UNITED STATES GOVERNMENT RESTRICTED RIGHTS2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide SAFETY INFORMATION CLASS 1 LASER TRANSCEIVERSSAFETY INFORMATION CLASS 1 LASER TRANSCEIVERS LASER RADIATION AND CONNECTORSManufacturer’s Name Cabletron Systems, Inc DECLARATION OF CONFORMITY2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide Application of Council Directives 89/336/EEC 73/23/EEC2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide INTRODUCTION CONTENTSINSTALLATION CHAPTERCHAPTER ContentsTROUBLESHOOTING CHAPTER2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide ContentsOPTIONAL INSTALLATIONS AND ContentsSPECIFICATIONS SPECIFICATIONS1.2 STRUCTURE OF THIS GUIDE 1.1 USING THIS GUIDECHAPTER INTRODUCTION Chapter 1 Introduction 1.3 2E4X-27 FEATURESFull Duplex Switched Ethernet FDSE support for 20 Mbps or 1.4.1 Connectivity 1.4 2E4X-27 OVERVIEW1.4.3 SmartTrunk 1.4.2 Full Duplex Switched Ethernet1.4.5 Management 1.4.4 Runtime IP Address Discovery1.4.8 Year 2000 Compliant 1.4.6 Switching Options1.4.9 LANVIEW Diagnostic LEDs 1.4.7 Standards CompatibilityTable 1-1 Fast Ethernet Interface Modules 1.4.10 Optional Features2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide 1.5 DOCUMENT CONVENTIONSThe following conventions are used throughout this document Document Conventions1.6 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 Single Mode Fiber Cable Lengths 2.3 100BASE-TX NETWORK2.4 100BASE-FX FIBER OPTIC NETWORK Multimode Mode Fiber Optic Cable LengthCHAPTER INSTALLATION 3.1 UNPACKING THE 2E4X-27 3.2 INSTALLING OPTIONSInstallation 3.3 INSTALLING THE 2E4X-273.3.1 Tabletop or Shelf Installation Guidelines for Tabletop and Shelf InstallationsGuidelines for the Rackmount Installation 3.3.2 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 Figure 3-5 2E42-27R/2E43-27R Rear View 3.3.4 Connecting Power to the 2E42-27R or 2E43-27R3.4.1 Connecting UTP Cables to Ports 1 Through 3.4 CONNECTING TO THE NETWORK3.4.1.1 2E42-27 or 2E42-27R Cable Connections Figure 3-7 Cable Pinouts - RJ45 Crossover Cable 3.4.1.2 2E43-27 or 2E43-27R Cable ConnectionsFigure 3-8 2E43-27 or 2E43-27R Straight Cable Connection Figure 3-9 Connection Using the RJ21 Angle Adapter3.4.2 Connecting a UTP Segment to the FE-100TX 100 FE-100TX Figure 3-10 FE-100TX Crossover SwitchFiber Optic Network Connection 3.4.3 Connecting a Fiber Optic Segment to the FE-100FX and FE-100F3RX LED Figure 3-11 FE-100FX and FE-100F3 Ports3.5 COMPLETING THE INSTALLATION 2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide Chapter 3 Installation3-18 4.1 USING LANVIEW CHAPTER TROUBLESHOOTING2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide Chapter 4 TroubleshootingFlashing indicates an LED ﬂashing randomly Solid indicates a steady LED light. No ﬂashingColor Using LANVIEW2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide Table 4-1 LANVIEW LEDs Continued100 LED Receive RX LED 4.2 FE-100TX LED2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide Table 4-3 10/100 LED Indications When RX LED Is OffFE-100TX LED No link exists if the associated port 25 or 26 RX Receive LED is offProblem 4.3 TROUBLESHOOTING CHECKLISTChapter 4 Troubleshooting Table 4-4 Troubleshooting Checklist2E42-27 4.4 USING THE RESET BUTTONdowntime of up to two minutes will result from this action 2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide Chapter 4 Troubleshooting5.1 OVERVIEW CHAPTER LOCAL MANAGEMENTTable 5-1 Keyboard Conventions 5.2 LOCAL MANAGEMENT KEYBOARD CONVENTIONSChapter 5 Local Management 2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide5.3 MANAGEMENT TERMINAL SETUP Figure 5-1 Management Terminal Connection 5.3.1 Console Cable ConnectionDisplay Setup Menu 5.3.2 Management Terminal Setup ParametersManagement Terminal Setup Table 5-2 VT Terminal SetupFigure 5-2 Uninterruptible Power Supply UPS Connection 5.3.3 Monitoring an Uninterruptible Power SupplyFigure 5-3 The 2E4X-27 Local Management Password Screen 5.4 ACCESSING LOCAL MANAGEMENT5.4.1 Navigating Local Management Screens 2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide Accessing Local ManagementFigure 5-4 802.1D Switching Mode, LM Screen Hierarchy Figure 5-5 802.1Q Switching Mode, LM Screen Hierarchy5.4.3 Exiting Local Management Screens 5.4.2 Selecting Local Management Menu Screen ItemsTo exit LM using the RETURN command, proceed as follows DEVICE CONFIGURATION 5.5 DEVICE MENU SCREENNETWORK TOOLS DEVICE STATISTICS5.6 DEVICE CONFIGURATION MENU SCREEN SMARTTRUNK CONFIGURATION GENERAL CONFIGURATIONSWITCH CONFIGURATION ETHERNET FULL DUPLEX CONFIGURATION5.7 GENERAL CONFIGURATION SCREEN Device Date Modiﬁable Default Gateway ModiﬁableSubnet Mask Modiﬁable TFTP Gateway IP Addr ModiﬁableDisplays the total time that the device has been operating 5.7.1 Setting the IP Address 5.7.2 Setting the Subnet Mask Figure 5-11 Conﬁguration Warning Screen 5.7.3 Setting the Default Gateway5.7.4 Setting the TFTP Gateway IP Address 5.7.6 Setting the Device Time 5.7.5 Setting the Device Date5.7.7 Entering a New Screen Refresh Time 5.7.8 Setting the Screen Lockout Time802.1D SWITCHING, 802.1Q SWITCHING, or SECURE FAST VLAN 5.7.9 Setting the Operational Mode5.7.10 Conﬁguring the COM Port 5-27 General Conﬁguration ScreenIf the COM port is reconﬁgured without a valid IP address set 2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide5.7.10.1 Changing the Com Port Application 5.7.11 Clearing NVRAM 5.7.12 Enabling/Disabling IP Fragmentation Figure 5-15 SNMP Community Names Screen 5.8 SNMP COMMUNITY NAMES SCREEN5.8.1 Establishing Community Names To establish community names, proceed as follows 5.9 SNMP TRAPS SCREEN Enable Traps Toggle 5.9.1 Conﬁguring the Trap Table5.10 SWITCH CONFIGURATION SCREEN Displays the base hardware address assigned to each listed port Status Toggle 5.10.1 Setting the STA5.10.2 Setting the Age Time Field 5.10.3 Setting Enabling or Disabling the Port StatusFigure 5-18 Ethernet Full Duplex Conﬁguration Screen 5.11 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 PORT REDIRECT FUNCTION 5.13 SYSTEM RESOURCES SCREEN802.1Q VLAN CONFIGURATION FLASH DOWNLOADThe following brieﬂy explains each ﬁeld of the System Resources screen Current Switch Utilization Read-only 5.13.1 Setting the Reset Peak Switch Utilization5.14 HIGH SPEED INTERFACE CONFIGURATION MENU SCREEN NVRAM Installed Read-onlyFigure 5-21 High Speed Interface Conﬁguration Menu Screen FAST ETHERNET INTERFACESHSIM Figure 5-22 High Speed Interface Conﬁguration Screen 5.15 HIGH SPEED INTERFACE CONFIGURATION SCREENCurrent Oper. Mode Read-only Port Type Read-onlyLink Status Read-only Advertised Ability Selectable Desired Oper. Mode Selectable5.15.3 Conﬁguring an FE-100TX in Port 25 or 5.15.2 Setting the FE-100FX or FE-100F3 Operational Mode5.15.4 Setting the FE-100TX Operational Mode 5.15.1 Conﬁguring an FE-100FX or FE-100F3 in Port 25 or5.15.5 Setting the FE-100TX Advertised Ability Figure 5-23 Flash Download Screen 5.16 FLASH DOWNLOAD SCREENThe following brieﬂy explains each ﬁeld of the Flash Download screen Download File Name Selectable 5.16.1 Image File Download Using BootP5.16.2 Image File Download Using TFTP Download Server IP SelectableFor example /tftpboot/2E42.hex 5.16.3 Image File Download Using RuntimeFor example /tftpboot/2E42.fls 5.17 PORT REDIRECT FUNCTION SCREEN Shows which ports are currently set as source ports 5.17.2 Changing Source and Destination Ports 5.17.1 Displaying the Source and Destination Entries5.18 BROADCAST SUPPRESSION SCREEN Figure 5-25 Broadcast Suppression/Statistics Screen Time Since Peak Read-OnlyReset Peak Toggle 5.18.1 Setting the Threshold5.18.2 Setting the Reset Peak SECURE FAST VLAN 5.19 DEVICE STATISTICS MENU SCREENSWITCH STATISTICS Section 5.7.9 provides instructions on setting the operational modeThe Device Statistics Menu screen displays the following menu items Interface # Read-Only 5.20 SWITCH STATISTICS SCREENFigure 5-27 Switch Statistics Screen Chapter 5 Local Management5.21 INTERFACE STATISTICS SCREEN Figure 5-28 Interface Statistics Screen Interface Read-OnlyName Read-Only InNonUnicast Read-Only InErrors Read-OnlyInOctets Read-Only InUnicast Read-OnlyOutDiscards Read-Only OutErrors Read-OnlyAdmin Status Read-Only OutNonUnicast Read-Only5.21.1 Displaying Interface Statistics 5.21.2 Using the Clear Counters Command5.22 RMON STATISTICS SCREEN This ﬁeld displays the name of the entity that conﬁgured this entry Total Packets Read-only Oversized Pkts Read-onlyFragments Read-only Jabbers Read-only5.22.1 Displaying RMON Statistics 5.23 NETWORK TOOLS 5.22.2 Using the Clear Counters CommandThere are two categories of commands in the command set Example SyntaxDescription Options5.23.1 Built-in Commands bridge ENABLE/DISABLE IFNUM/ALL defroute delete the default IP route to a managed devicedefroute delete interface number IP address Network Toolsone of the two display options The netstat command provides a display ofnetstat option general network statistics for the managedThe Network Tools connection to the device will be terminated resetTIP upon execution of this command routers in the path to the device. If the device is not reached, the command displays all next-hopprotocols that are currently supported are ARP traceroute IP addressSyntaxsoftreset IP address. The IP address ﬁeld is mandatory The user must specify the remote host using itslinktrap atmstpstate The atmstpstate command allows the user tooption as enable, disable, or status. The STATE Network Tools5-88 5.23.2 Special CommandsChapter 5 Local Management done, quit, exitPHYSICAL PROPERTIES APPENDIX A SPECIFICATIONSA.1 DEVICE SPECIFICATIONS ELECTRICAL SPECIFICATIONSAppendix A Speciﬁcations A.4 ENVIRONMENTAL REQUIREMENTSA.5 INPUT/OUTPUT PORTS A.7 REGULATORY COMPLIANCE A.6 COM PORT/PIN ASSIGNMENTS2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide Appendix A SpeciﬁcationsB.1 FE-100TX APPENDIX B FE-100TX, FE-100FX, AND FE-100F3 SPECIFICATIONS2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide B.2 FE-100FXAppendix B FE-100TX, FE-100FX, and FE-100F3 Speciﬁcations FE-100F3 B.3 FE-100F3FE-100F3 2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide Appendix B FE-100TX, FE-100FX, and FE-100F3 SpeciﬁcationsAPPENDIX C OPTIONAL INSTALLATIONS AND MODE SWITCH BANK SETTINGS Appendix C Optional Installations and Mode Switch Bank Settings C.1 REQUIRED TOOLSC.2 REMOVING THE CHASSIS COVER This section describes how to remove the 2E4X-27 chassis coverTo remove the chassis cover, proceed as follows Figure C-1 Removing the Chassis Cover C.2.1 Setting the Mode SwitchSwitch 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 Connectors C.3 INSTALLING OPTIONAL FAST ETHERNET INTERFACE MODULESInstalling Optional Fast Ethernet Interface Modules Figure C-3 Fast Ethernet Interface Module Connector Locationb. 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 Index-1 NumericsINDEX 2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide IndexIndex-2 destination port Index2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide Index-32E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide IndexIndex-4 Index Troubleshooting 4-1 checklistUninterruptible Power Supply connection of Unpacking VLAN configuration of2E42-27/2E42-27R/2E43-27/2E43-27R User’s Guide IndexIndex-6