® Part No.
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CONTENTS ABOUT THIS GUIDE Introduction 9 Audience 9 How to Use This Guide 9 Conventions 10 Related Documents 12 3Com Documents 12 Cisco Documents 13 Reference Documents 13 1 INTRODUCTION Product Overview 1-1 Edge Router Module Operation 1-1 Edge Router Module Architecture 1-3 Edge Router Module Features 1-5 Software Options 1-5 Topology Switching 1-7 Network Reliability 1-7 IOS Router Software Updates 1-8 Memory Upgrades 1-9 2 INSTALLING THE EDGE ROUTER MODULE Installation Flowchart 2-2 Precautionary P
Configuring DIP Switches 2-8 Configuring the ONline Carrier DIP Switches 2-8 Selecting a Network 2-9 Isolating the ONline Edge Router Module 2-9 Configuring the ONcore Carrier DIP Switches 2-9 Enabling or Disabling NVRAM Configuration 2-10 Selecting a Network 2-11 Installing the ONline Edge Router Module 2-12 Installing the ONcore Edge Router Module 2-13 3 CONFIGURING THE EDGE ROUTER MODULE Managed Configuration Overview 3-2 3Com Management Modules 3-2 Using Management Commands 3-2 Using ONdemand NCS 3-3
4 MONITORING EDGE ROUTER MODULE OPERATION Monitoring Edge Router Module Operation 4-1 Showing Module Configuration and Status 4-3 Using the SHOW MODULE Command 4-4 Using the SHOW PORT Command 4-6 5 TROUBLESHOOTING Troubleshooting Startup Problems 5-2 Troubleshooting Router-Specific Problems 5-2 Troubleshooting Mailbox Interface Problems 5-2 Troubleshooting 3Com Carrier Problems 5-2 Troubleshooting Network Connectivity Problems 5-3 Troubleshooting WAN Connectivity Problems 5-4 Correcting Operating Malfunc
B TECHNICAL SUPPORT Online Technical Services B-1 3Com Bulletin Board Service B-1 Access by Analog Modem B-2 Access by Digital Modem B-2 World Wide Web Site B-3 3ComForum on CompuServe B-3 3ComFacts Automated Fax Service B-3 Support From Your Network Supplier B-4 Support From 3Com Corporation B-5 Returning Products for Repair B-5 Accessing the 3Com ISD MIB B-6 Contacting 3Com ISD Technical Publications INDEX LIMITED WARRANTY viii B-6
ABOUT THIS GUIDE Introduction This guide describes how to install and configure a 3Com® ONline™ or ONcore® Edge Router module into the 3Com ONline System Concentrator or ONcore Switching Hub. In addition, this guide provides troubleshooting suggestions in case a problem arises with the module. If the information in the release notes shipped with your product differs from the information in this guide, follow the release note instructions.
ABOUT THIS GUIDE Table 1 How to Use This Guide (continued) Procedures for configuring Edge Router engine parameters Chapter 3 Information for monitoring Edge Router module LEDs Chapter 4 Procedures for displaying module configuration and status Conventions Information on troubleshooting the Edge Router module Chapter 5 Information not covered in the rest of the guide Appendixes A-B Table 2 and Table 3 list conventions used throughout this guide.
Conventions 11 Table 3 Text Conventions (continued) Convention Description “Syntax” vs. “Command” When the word “syntax” is used in this guide, it indicates that the general form of a command syntax is provided. You must evaluate the syntax and supply the appropriate port, path, value, address, or string. For example: Enable RIPIP by using the following syntax: SETDefault ! -RIPIP CONTrol = Listen In this example, you must supply a port number for !.
ABOUT THIS GUIDE Related Documents 3Com Documents This section provides information on supporting documentation, including: ■ 3Com Documents ■ Cisco Documents ■ Reference Documents The following documents provide additional information on 3Com products: ONline System Concentrator Installation and Operation Guide — Provides information on the installation, operation, and configuration of the ONline System Concentrator.
Related Documents Cisco Documents Reference Documents 13 Cisco® CD-ROM documents describe commands and other software-related information you need to operate the Edge Router module. The following documents supply related background information: Case, J., Fedor, M., Scoffstall, M., and J. Davin, The Simple Network Management Protocol, RFC 1157, University of Tennessee at Knoxville, Performance Systems International and the MIT Laboratory for Computer Science, May 1990. Rose, M., and K.
1 INTRODUCTION This chapter provides an introduction to the 3Com® Edge Router module. This chapter contains the following sections: ■ Product Overview ■ Edge Router Module Features Product Overview The Edge Router module is a serial port-to-Ethernet LAN interconnect module jointly developed by 3Com and Cisco Systems Inc.
1-2 C HAPTER 1: INTRODUCTION Edge Router Module Console Port Auxiliary Port Network Backplane Ethernet LAN High Speed WAN Port High Speed WAN Port Figure 1-1 Typical Edge Router Module Connections The router module runs Cisco standard software and fully interoperates with the: ■ 3Com ONline Ethernet Router Module ■ Cisco local and remote router servers, such as the AGS+, MGS, and the Cisco 3000, 4000, 4500, and 7000 series routers.
Product Overview Edge Router Module Architecture 1-3 Each Edge Router module consists of the following components: ■ Carrier – Provides connections to one of three 3Com switching hub products. ■ Engine – Provides Ethernet-to-WAN port connections. ■ Interface Connector – Connects the carrier to the engine. Both the carrier and the engine have an interface connector. The engine mounts to one of three carrier types to form an Edge Router module for the ONline or ONcore hub products.
1-4 C HAPTER 1: INTRODUCTION Figure 1-2 shows the architecture of each Edge Router module type.
Edge Router Module Features Edge Router Module Features 1-5 This section describes the major features of the Edge Router module, including: ■ Software Options ■ Topology Switching ■ Network Reliability ■ IOS Router Software Updates ■ Memory Upgrades Software Options The Edge Router module is available with one of the following software feature sets: ■ IP/IPX ■ Desktop ■ Desktop plus IBM® ■ Enterprise The components that make up each software feature set are listed in Table 1-1.
1-6 C HAPTER 1: INTRODUCTION Table 1-1 Software Feature Sets Feature Set Feature Category IP/IPX Desktop LAN Support IP, Bridging, LAN Extension Host Software, Novell® IPX™ Includes Same as Desktop IP/IPX features plus: DECnet™ IV, AppleTalk® Phase 1 and 2 WAN Serial Support Dual Synchronous Ports, and Single Asynchronous Auxiliary Port WAN Services HDLC, PPP, X.
Edge Router Module Features Topology Switching 1-7 Using topology switching you can: ■ Switch the ONline Edge Router module among any of three Ethernet networks (channels) on the hub backplane ■ Switch the ONcore Edge Router module among any of eight Ethernet networks (channels) on the hub backplane You perform topology switching using: ■ Network management module commands ■ Simple Network Management Protocol (SNMP) You do not have to swap cables or move the Edge Router module to move the routing
1-8 C HAPTER 1: INTRODUCTION Ethernet LAN Edge Router Module Console Aux Port Port WAN Port WAN Port Remote Site Public Switched Telephone Network Dial-Up Link Primary Link Secondary Link Main Site Main Site Router Main Site Network Connections Figure 1-3 Network Reliability Configuration IOS Router Software Updates The IOS software in the Edge Router module engine can be updated by purchasing field-upgradeable software distribution kits.
Edge Router Module Features 1-9 You can also purchase an upgrade kit to upgrade your IP/IPX, Desktop, or Desktop plus IBM software to a version with an enhanced feature set. Contact your 3Com reseller or 3Com Customer Support for more information and part numbers. Memory Upgrades The Edge Router module provides the capability to increase memory to meet the requirements of large routing table configurations.
INSTALLING THE EDGE ROUTER MODULE 2 This chapter contains the following sections: ■ Installation Flowchart ■ Precautionary Procedures ■ Quick Installation ■ Unpacking Procedures ■ Verifying Jumper Plug Positions ■ Configuring DIP Switches ■ Installing the ONline Edge Router Module ■ Installing the ONcore Edge Router Module
2-2 C HAPTER 2: INSTALLING THE EDGE ROUTER M ODULE Installation Flowchart The flowchart in Figure 2-1 identifies the steps required to install and configure the Edge Router module.
Precautionary Procedures Precautionary Procedures 2-3 Electrostatic discharge (ESD) can damage static-sensitive devices on circuit boards. Follow these precautions when you handle an Edge Router module: CAUTION: Do not remove the product from any antistatic wrapping until you are ready to inspect or install the module. Handle Edge Router modules by the faceplate only. CAUTION: To avoid damaging the Edge Router module with ESD, use proper grounding techniques.
2-4 C HAPTER 2: INSTALLING THE EDGE ROUTER M ODULE Quick Installation for Unmanaged Hubs Follow the general steps outlined in Table 2-1 to install and configure the Edge Router module in an unmanaged ONline or ONcore hub. Table 2-1 Quick Installation for Unmanaged Hubs Step Procedure Refer to: 1 Unpack the module. Unpacking Procedures on page 2-6 2 Verify the jumper plug positions on the base and expansion engines.
Quick Installation Quick Installation for Managed Hubs 2-5 Follow the general steps outlined in Table 2-2 to install and configure the Edge Router module in a managed ONline or ONcore hub. Table 2-2 Quick Installation for Managed Hubs Step Procedure Refer to: 1 Unpack the module.
2-6 C HAPTER 2: INSTALLING THE EDGE ROUTER M ODULE Unpacking Procedures To unpack the Edge Router module: 1 Verify that the module is the model you ordered by checking the model number listed on the side of the shipping carton. Note that the product model number printed on the shipping box differs from the model number on the product. The model number on the shipping box contains the prefix 3C9. 2 Remove the module, in its antistatic shielding bag, from the shipping carton.
Verifying Jumper Plug Positions Verifying Jumper Plug Positions 2-7 Verify the jumper plug positions on the ONline or ONcore Edge Router module before proceeding with the installation procedure. The Edge Router module is equipped with several jumper plugs. The jumpers are factory-set to the appropriate settings. Do not modify the jumper settings, except to restore the settings to the required positions.
2-8 C HAPTER 2: INSTALLING THE EDGE ROUTER M ODULE Configuring DIP Switches DIP switches let you select the backplane network used by an ONline or ONcore Edge Router module. Even if you use a network management module to manage your hub, it is recommended that you configure the carrier DIP switches to ensure proper network assignments in the event of management module failure.
Configuring DIP Switches 2-9 Figure 2-2 shows the ONline carrier DIP switch location. ON 1 2 3 4 Figure 2-2 ONline Carrier DIP Switch Location Selecting a Network Use Table 2-4 to select a network by using the DIP switches.
2-10 C HAPTER 2: INSTALLING THE EDGE ROUTER M ODULE ■ Enabling or Disabling NVRAM Configuration ■ Selecting a Network Figure 2-3 shows the ONcore carrier DIP switch location.
Configuring DIP Switches 2-11 If the NV SEL DIP switch is: ■ ON (enabled) – The Edge Router module uses configuration settings stored in its NVRAM. If NVRAM does not contain configuration settings, the Edge Router modules are assigned to the Isolate_1 network. ■ OFF (disabled) – The Edge Router module uses DIP switch settings. Selecting a Network In an unmanaged ONcore hub, the DIP switches determine the network setting (unless NVRAM configuration settings are enabled).
2-12 C HAPTER 2: INSTALLING THE EDGE ROUTER M ODULE Installing the ONline Edge Router Module This section describes how to install the ONline Edge Router module in an ONline hub. If you are installing: ■ An ONcore Edge Router module, refer to Installing the ONcore Edge Router Module on page 2-13.
Installing the ONcore Edge Router Module 2-13 4 Using your fingers, tighten the two spring-loaded screws on the front of the module faceplate (Figure 2-4). Do not overtighten. Board guide Hub backplane Screws Board guide Faceplate Figure 2-4 Installing the Edge Router Module in an ONline Hub Installing the ONcore Edge Router Module You do not need to power off the ONcore hub to install or remove the Edge Router module. You can insert the module while the hub is operating (this is called a hot swap).
2-14 C HAPTER 2: INSTALLING THE EDGE ROUTER M ODULE 3 Insert the module into the board guides at the top and bottom of the slot and slide it into the hub by pressing firmly at a point slightly below the center of the faceplate (Figure 2-5).
Installing the ONcore Edge Router Module 2-15 4 Close the ejectors (Figure 2-6). Opened ejector Closed ejector Figure 2-6 Opened and Closed Module Ejectors 5 Using your fingers, tighten the two spring-loaded screws on the front of the Edge Router module faceplate (do not overtighten).
CONFIGURING THE EDGE ROUTER MODULE 3 This chapter contains the following sections: ■ Managed Configuration Overview ■ Attaching a Management Terminal ■ Configuring the Carrier in a Managed ONline Hub ■ Configuring the Carrier in a Managed ONcore Hub ■ Configuring the Edge Router Engine If you are installing the Edge Router module in an unmanaged ONline or ONcore hub, you must configure the carrier using DIP switches. Refer to Configuring DIP Switches on page 2-8.
3-2 C HAPTER 3: CONFIGURING THE EDGE ROUTER M ODULE Managed Configuration Overview You can manage an ONline or ONcore carrier using a network management module installed in the same hub. This section provides a brief overview of the following topics: ■ 3Com Management Modules ■ Using Management Commands ■ Using ONdemand NCS ■ Carrier Configuration Tasks 3Com Management Modules You can manage the ONline or ONcore carrier through SNMP or management commands if a management module is installed.
Attaching a Management Terminal 3-3 The 3Com ONdemand™ Network Control System (NCS) is an SNMP manager with a graphical user interface. For instructions on using ONdemand NCS to manage the carrier, refer to one of the following documents: Using ONdemand NCS ■ Transcend Enterprise Manager ONdemand Management for Multi-Function Hubs, Version 4.
3-4 C HAPTER 3: CONFIGURING THE EDGE ROUTER M ODULE Configuring the Carrier in a Managed ONline Hub This section describes how to use network management commands to configure ONline carriers installed in an ONline System Concentrator. This section contains the following topics: ■ Selecting a Network ■ Saving the Configuration When you install the carrier in a hub with a management module installed, the network defaults to isolated mode (Isolate_1). You must assign a network as described below.
Configuring the Carrier in a Managed ONcore Hub Configuring the Carrier in a Managed ONcore Hub 3-5 This section describes the possible sources of ONcore carrier configuration settings, the factors that determine the configuration source the carrier uses, and how to configure the carrier using network management commands.
3-6 C HAPTER 3: CONFIGURING THE EDGE ROUTER M ODULE Carrier NVRAM Settings The ONcore carrier can store configuration settings in its NVRAM (non-volatile random access memory), which it can use when powering on in either a managed or unmanaged hub. Two NVRAM DIP switches control whether or not the carrier uses NVRAM settings. For information on setting the NVRAM DIP switches, refer to Enabling or Disabling NVRAM Configuration on page 2-10.
Configuring the Carrier in a Managed ONcore Hub Hot Swapping an ONcore Module 3-7 You can remove a module from the ONcore hub and install an identical module in the same slot without powering off the hub. This is called a hot swap. Whether or not you hot swap the Edge Router module affects which configuration source the carrier uses. When you perform a hot swap, the DMM transfers to the new carrier the configuration used by the old carrier. The new carrier saves the settings in its NVRAM.
3-8 C HAPTER 3: CONFIGURING THE EDGE ROUTER M ODULE Determining the Configuration Source Table 3-1 shows how to determine the carrier configuration source . Table 3-1 Determining the Carrier Configuration Source Hot Swap? DMM DIP Configuration* NVRAM DIP Switch Carrier Configuration Source Yes Disable ON or OFF DMM passes the old configuration settings to the new carrier.
Configuring the Edge Router Engine 3-9 To assign a carrier backplane port to a network using network management software, use the following command: set port slot.port network {ethernet_1 ... ethernet_8} {isolated_1 ... isolated_4} For example, the following command sets backplane port 1 (engine 1) in the carrier installed in slot 3 to Ethernet_2: ONcore> set port 3.1 network ethernet_2 Port 03.
3-10 C HAPTER 3: CONFIGURING THE EDGE ROUTER M ODULE Figure 3-1 Attaching a Terminal Cable to the Console Port 2 Attach the DB-25 end of the adapter cable to the RS-232 null modem cable coming from your terminal. Figure 3-2 shows the terminal connections to both the management module and the Edge Router console port.
Configuring the Edge Router Engine 3-11 Console and auxiliary port specifications are provided in Table 3-2 and Table 3-3, respectively.
MONITORING EDGE ROUTER MODULE OPERATION 4 This chapter contains the following sections: Monitoring Edge Router Module Operation ■ Monitoring Edge Router Module Operation ■ Showing Module Configuration and Status The LEDs on the front panel of the Edge Router module allow you to monitor the status of the module and ports. When you install the Edge Router module in the hub: 1 The Router Status (RTR) LED is off if the router is booting (initializing).
4-2 C HAPTER 4: MONITORING EDGE ROUTER MODULE OPERATION Router Status RTR S EO Reset CONSOLE Module Status Ethernet Activity Reset Pushbutton AUX S0 ACT S1 ACT 2103R-CS Figure 4-1 Edge Router Module LEDs Serial Port 0 Activity Serial Port 1 Activity
Showing Module Configuration and Status 4-3 Each LED is described in Table 4-1. Table 4-1 Module LED Interpretations LED Name Color State Indicates S Green Blinking The module is in boot mode and is attempting communication with the carrier board. On Remains lit as long as there is active communication with the carrier board. On Router is functioning properly. Off or Blinking Router is not functioning. Replace the module. Yellow Blinking Traffic is being passed.
4-4 C HAPTER 4: MONITORING EDGE ROUTER MODULE OPERATION Using the SHOW MODULE Command The SHOW MODULE command displays information about a specific module. The syntax for the SHOW MODULE command is: SHOW MODULE slot {verbose} {no_verbose} The following command displays verbose information for an Edge Router module installed in slot 1 of an ONcore hub: ONcore> show module 1.1 verbose Slot Module Version Network ----- --------- ------- ------01.01 6102M-SDEK v1.
Showing Module Configuration and Status 4-5 The following command displays verbose information for an Edge Router module installed in slot 6 of an ONline hub: ONline> show module 6 verbose Slot Module ----- --------06 2103R-CSD Version Network General Information ------ ------------------v1.07 PER_PORT Port(s) are up 5103R-CSD: Ethernet Edge Rtr DeskSW Module Capabilities: No. Front Panel Ports: Boot Version: Native Software Version: Native Boot Software Version: MACCFG;IPCFG; 2 v1.01 x10.00 x51.
4-6 C HAPTER 4: MONITORING EDGE ROUTER MODULE OPERATION Using the SHOW PORT Command The SHOW PORT command displays information about a single port or all ports. The syntax for the SHOW PORT command is: SHOW PORT slot.port {verbose} {no_verbose} The following command displays verbose information for port 1 on an Edge Router module installed in slot 1 of an ONcore hub: ONcore> show port 1.
Showing Module Configuration and Status 4-7 No_Verbose is the default option for the SHOW PORT command. Use the No_Verbose option to display summary information for the carrier ports. The following command displays summary information for port 1 on an Edge Router module installed in slot 1 of an ONcore hub: ONcore> show port 1.1 Port Display for Module 6102M-SDEK: Port ---01.
5 TROUBLESHOOTING This chapter provides hardware troubleshooting information you can use if the Edge Router module fails to operate correctly. If after reviewing the information in this chapter, you cannot correct the problem, contact your 3Com representative for further assistance. For software-related troubleshooting information, refer to the appropriate Cisco Systems manual.
5-2 C HAPTER 5: TROUBLESHOOTING Troubleshooting Startup Problems This section describes how to troubleshoot startup problems by monitoring the LEDs on the Edge Router module.
Troubleshooting Network Connectivity Problems Troubleshooting Network Connectivity Problems 5-3 If the Edge Router module does not appear to be routing traffic properly on the network, it may indicate that there is no connection to the network.
5-4 C HAPTER 5: TROUBLESHOOTING Troubleshooting WAN Connectivity Problems If you suspect that the Edge Router module has lost WAN connectivity, perform one or more of the following troubleshooting actions: ■ Verify that you have the correct cable for your configuration. Refer to Appendix A, Specifications, for a list of approved cables, cable specifications, and pinouts. ■ If you are using a: ■ ■ DCE cable — Verify that a clock rate is defined in the router WAN interface configuration.
Correcting Operating Malfunctions Correcting Operating Malfunctions 5-5 Table 5-1 lists the symptoms of operating malfunctions for the Edge Router module and shows possible causes and corrective actions for these malfunctions. Table 5-1 Troubleshooting Malfunctions Symptom Possible Cause Corrective Action Module does not power on. Module is not fitted correctly against backplane. Remove the module from the slot and replace it in the slot to ensure that the module is fitted correctly.
5-6 C HAPTER 5: TROUBLESHOOTING Table 5-1 Troubleshooting Malfunctions (continued) Symptom Possible Cause Corrective Action The terminal fails to The terminal is not Power off the terminal, wait respond to commands receiving commands. 30 seconds, and then power it on entered at the keyboard. again. The keyboard cable is attached incorrectly. If the terminal still does not respond to commands, power off the terminal and disconnect the keyboard cable.
A SPECIFICATIONS This appendix contains the hardware specifications for the 3Com Edge Router module in the following sections: ■ General Specifications ■ Electrical Specifications ■ Environmental Specifications ■ Mechanical Specifications ■ Hub Capacities ■ Cable Pinouts
A-2 APPENDIX A: SPECIFICATIONS General Specifications Table A-1 General Specifications Processor 20 MHz Motorola® 68EC030 Memory 4 MB DRAM (expandable to 16 MB) 4 MB system code (PROM or Flash) (expandable to 8 MB) 32 KB non-volatile configuration RAM Electrical Specifications Network Interface Options 1 Ethernet and 2 synchronous serial Ethernet Interface Backplane connection Synchronous Serial Interfaces RS-232, RS-449, V.35, X.21 (NRZ/NRZI and DTE/DCE), EIA-530 (NRZ/NRZI and DTE).
Environmental Specifications A-3 Environmental Specifications Table A-3 Environmental Specifications Operating Temperature 0° to 50° C (32° to 122° F) Storage Temperature -10° to 66° C (22° to 138° F) Humidity Less than 95%, noncondensing Table A-4 lists the BTU/hr calculations for the Edge Router module installed in each hub type. Table A-4 BTU/hr Calculations Hub Type BTU/hr ONline 68.28 ONcore 68.
A-4 APPENDIX A: SPECIFICATIONS Hub Capacities ONline Hub Capacities This section provides guidelines for installing Edge Router modules in ONline or ONcore hubs. Follow the guidelines in Table A-6 when installing ONline Edge Router modules in an ONline System Concentrator. .
Cable Pinouts A-5 Follow the guidelines in Table A-8 when installing ONline Edge Router modules in an ONcore 10-slot or 17-slot hub. .
A-6 APPENDIX A: SPECIFICATIONS This section describes: ■ Console Port Pinouts ■ Auxiliary Port Pinouts ■ DB-25 Null Modem Cable ■ Serial Port Pinouts Console Port Pinouts This section lists the cable pinouts for the: ■ DTE console port ■ Mini-DIN to DB-25 modem cable DTE Console Port Table A-9 lists pinouts for the console port on the Edge Router module.
Cable Pinouts A-7 Figure A-1 identifies the pins that the 8-pin mini-DIN port uses. 6 7 3 8 4 1 5 2 Figure A-1 Mini-DIN Serial Port Pinouts Mini-DIN to DB-25 Modem Cable Table A-10 lists console port pinouts for the 3Com OpenHub™ Management Cable (mini-DIN to DB-25 modem adapter cable).
A-8 APPENDIX A: SPECIFICATIONS Auxiliary Port Pinouts Table A-11 lists the cable pinouts for the auxiliary port on the Edge Router module. Table A-11 Auxiliary Port Pinouts (DTE) Pin Signal Input/Output 1 DTR Output 2 CTS Input 3 TXD Output 4 GND 5 RXD Input 6 RTS Output 7 DCD Input 8 Not Connected Mini-DIN to DB-25 Modem Cable Table A-12 lists auxiliary port pinouts for the 3Com OpenHub Management Cable (mini-DIN to DB-25 modem adapter cable).
Cable Pinouts A-9 DB-25 Null Modem Cable Use a null modem cable to connect the Edge Router module to another DTE device (for example, a dumb terminal). Serial Port Pinouts This section lists cable pinouts for each type of synchronous serial cable supported by the serial ports on the Edge Router module. This section describes: ■ EIA-530 DTE Synchronous Serial Cable Pinouts ■ RS-232 DTE and DCE Serial Cable Pinouts ■ RS-449 DTE and DCE Serial Cable Pinouts ■ V.
A-10 APPENDIX A: SPECIFICATIONS EIA-530 DTE Synchronous Serial Cable Pinouts Table A-13 lists pinouts for EIA-530 DTE synchronous serial cable (Part Number ERM530-CAB).
Cable Pinouts A-11 RS-232 DTE and DCE Serial Cable Pinouts Table A-14 lists pinouts for: ■ RS-232 DTE synchronous serial cable (Part Number ERM232-CAB) ■ RS-232 DCE synchronous serial cable (Part Number ERF232-CAB) ) Table A-14 RS-232 DTE and DCE Cable Pinouts (DB-25) 25 Pin1 Signal DTE DCE Direction 25 Pin Signal J2-1 Shield GND — J2-7 Circuit GND — Shield — — J2-2 Shield J2-3 Shield J2-4 Shield J2-5 Shield J2-6 Shield TxD → J2-8 DCD ← — — Shield — — RxD ← J2-15 TxC ←
A-12 APPENDIX A: SPECIFICATIONS RS-449 DTE and DCE Serial Cable Pinouts Table A-15 lists pinouts for: ■ RS-449 DTE synchronous serial cable (Part Number ERM449-CAB) ■ RS-449 DCE synchronous serial cable (Part Number ERF449-CAB) Table A-15 RS-449 DTE and DCE Cable Pinouts (DB-37) 37 Pin1 Signal DTE DCE Direction 37 Pin Signal DTE DCE Direction J2-1 Shield GND — J2-9 CS+ → J2-27 CS- → J2-4 SD+ ← J2-10 LL → J2-22 SD- ← J2-37 SC — J2-5 ST+ → J2-11 DM+ → J2-23 ST- → J2-29
Cable Pinouts A-13 V.35 DTE and DCE Serial Cable Pinouts Table A-16 lists pinouts for: ■ V.35 DTE synchronous serial cable (Part Number ERMV35-CAB) ■ V.35 DCE synchronous serial cable (Part Number ERFV35-CAB) Table A-16 V.
A-14 APPENDIX A: SPECIFICATIONS X.21 DTE and DCE Serial Cable Pinouts Table A-17 lists pinouts for: ■ X.21 DTE synchronous serial cable (Part Number ERMX21-CAB) ■ X-21 DCE synchronous serial cable (Part Number ERFX21-CAB) Table A-17 X.
B TECHNICAL SUPPORT 3Com provides easy access to technical support information through a variety of services.
B-2 APPENDIX B: TECHNICAL SUPPORT Access by Analog Modem To reach the service by modem, set your modem to 8 data bits, no parity, and 1 stop bit.
Online Technical Services World Wide Web Site B-3 Access the latest networking information on the 3Com World Wide Web site by entering our URL into your Internet browser: http://www.3Com.com/ This service features news and information about 3Com products, customer service and support, 3Com Corporation’s latest news releases, selected articles from 3TECH™ (3Com Corporation’s award-winning technical journal), and more.
B-4 APPENDIX B: TECHNICAL SUPPORT Local access numbers are available within the following countries: Support From Your Network Supplier Country Telephone Number Country Telephone Number Australia 800 123853 Netherlands 06 0228049 Belgium 0800 71279 Norway 800 11062 Denmark 800 17319 Portugal 0505 442607 Finland 98 001 4444 Russia (Moscow only) 956 0815 France 05 90 81 58 Spain 900 964445 Germany 0130 8180 63 Sweden 020 792954 Italy 1678 99085 U.K.
Support From 3Com Corporation Support From 3Com Corporation B-5 If you are unable to receive support from your network supplier, technical support contracts are available from 3Com. In the U.S. and Canada, call (800) 876-3266 for customer service. If you are outside the U.S.
B-6 APPENDIX B: TECHNICAL SUPPORT Accessing the 3Com ISD MIB The 3Com Management Information Base (MIB) for the Integrated Systems Division (ISD) describes commands that enable you to manage 3Com SNMP-based products. The MIB is available over the Internet on an anonymous FTP server. Updates to these MIBs are released as new 3Com products are introduced. To access Internet versions: 1 FTP to ftp.chipcom.com (151.104.9.65). 2 Enter the login name anonymous.
INDEX INDEX Numerics 3Com Bulletin Board Service (3ComBBS) B-1 3Com sales offices B-5 3ComFacts B-3 3ComForum B-3 A Audience of Manual 9 Auxiliary port pinouts A-8 specifications 3-11 troubleshooting 5-5 B Backplane 2-13 Bulletin board service B-1 C Cable pinouts console port A-6 to A-7 EIA-530 DTE cable A-10 RS-232 DTE/DCE cable A-11 RS-449 DTE/DCE cable A-12 serial port A-9 to A-14 V.35 DTE/DCE cable A-13 X.
2 INDEX F Faceplate 2-13 Fax service.
INDEX R W Returning products for repair B-5 Router (RTR) LED 5-2 Router problems troubleshooting 5-2 Router Software Support Service 1-8 RS-232 DTE/DCE cable pinouts A-11 RS-449 DTE/DCE cable pinouts A-12 WAN connectivity problems troubleshooting 5-4 S SHOW MODULE command 4-4 SHOW PORT command 4-6 Simple Network Management Protocol (SNMP) 1-7 SNMP Commands B-6 Software update kits 1-8 Specifications hardware A-2 Status showing 4-3 T Technical support B-1 Topology switching 1-7 Troubleshooting carrier
LIMITED WARRANTY HARDWARE: 3Com warrants its hardware products to be free from defects in workmanship and materials, under normal use and service, for the following lengths of time from the date of purchase from 3Com or its Authorized Reseller: Internetworking products Network adapters Ethernet stackable hubs and Unmanaged Ethernet fixed port repeaters *Power supply and fans in these stackable hubs and unmanaged repeaters Other hardware products Spare parts and spares kits 1 year Lifetime Lifetime* (1 year
GOVERNING LAW: This Limited Warranty shall be governed by the laws of the state of California.
