CS2500BookFile : FrontMatter Page i Thursday, December 11, 1997 10:44 AM ® Part No.
CS2500BookFile : FrontMatter Page ii Thursday, December 11, 1997 10:44 AM 3Com Corporation ■ 5400 Bayfront Plaza ■ Santa Clara, California ■ 95052-8145 © 3Com Corporation, 1995. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without permission from 3Com Corporation.
CS2500BookFile : FrontMatter Page iii Thursday, December 11, 1997 10:44 AM Shielded Cables Connections between 3Com equipment and other equipment and peripherals must be made using shielded cables in order to maintain compliance with FCC, and other agency, electromagnetic frequency emissions limits. Federal Communications Commission Notice This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules.
CS2500BookFile : FrontMatter Page iv Thursday, December 11, 1997 10:44 AM iv
CS2500BookFile : CS2500BookFileTOC Page v Thursday, December 11, 1997 10:44 AM CONTENTS ABOUT THIS GUIDE Introduction 1 Audience 1 Conventions 1 1 OVERVIEW Features 1-1 Software Compatibility 1-2 Chassis 1-3 Hardware Interrupt Switch 1-4 Cover 1-4 Front Panel 1-4 LEDs 1-5 Reset Switch 1-6 CS/2600 Internal Diskette Drive 1-6 Back Panel 1-6 Serial I/O Connectors 1-7 RS-232 Interface 1-7 RS-422 Interface 1-8 Console Port 1-8 Transceiver Connector 1-9 Printer Port Connector 1-9 Power Supply Module 1-9 Optio
CS2500BookFile : CS2500BookFileTOC Page vi Thursday, December 11, 1997 10:44 AM 2 INSTALLATION Preparation 2-1 Mounting the Server 2-2 Mounting on a Table 2-2 Mounting in a Rack 2-2 Mounting on the Wall 2-4 Cabling the Server to the Network 2-4 Cabling Hosts, Terminals, and Modems 2-4 Attaching RS-232 and RS-422 Serial Cables Cabling a Console 2-5 Attaching a Transceiver Cable 2-7 Attaching a Printer Cable 2-7 Attaching the Power Cable 2-8 Modifying the Firmware Configuration 2-9 3 2-5 STARTUP Booting
CS2500BookFile : CS2500BookFileTOC Page vii Thursday, December 11, 1997 10:44 AM Auto-Reboot 4-6 Monitor 4-6 Initial Boot Source 4-7 Number of Reboots 4-7 Network Boot String 4-7 Boot Retries 4-8 Boot Protocol 4-8 Using TFTP 4-9 Printer Setup Menu 4-11 System Default Configuration Menu 4-12 Emulating a CS/2000 or CS/2100 4-12 Changing Port Configuration 4-13 5 MAINTENANCE AND UPGRADES Maintenance 5-1 Cleaning the Diskette Drive Head 5-2 Replacing the Fuse 5-2 Upgrades 5-5 Removing the Cover 5-6 Replac
CS2500BookFile : CS2500BookFileTOC Page viii Thursday, December 11, 1997 10:44 AM A PIN ASSIGNMENTS RS-232 Serial Ports A-1 RS-422 Operation A-3 Transceiver Connector A-4 Parallel Printer Port A-5 B STARTUP MESSAGES C MONITOR UTILITY Entering the Monitor C-1 Configuring Firmware to Access the Monitor C-2 At Startup C-2 If the Server Becomes Nonfunctional C-2 Using the Hardware Interrupt Switch C-3 Using Commands C-4 Command Descriptions C-4 BT C-4 CO C-5 DE C-5 DF C-5 DU C-5 FC C-5 FO C-6 H or ? C-6 K
CS2500BookFile : CS2500BookFileTOC Page ix Thursday, December 11, 1997 10:44 AM D TECHNICAL SUPPORT On-line Technical Services D-1 3Com Bulletin Board Service D-1 Access by Modem D-1 Access by ISDN D-2 World Wide Web Site D-2 ThreeComForum on CompuServe D-2 3ComFacts Automated Fax Service D-3 Support from Your Network Supplier D-3 Support from 3Com D-4 Returning Products for Repair D-4 LIMITED WARRANTY ix
CS2500BookFile : CS2500BookFileTOC Page x Thursday, December 11, 1997 10:44 AM x
CS2500BookFile : CS2500BookFileLOF Page xi Thursday, December 11, 1997 10:44 AM FIGURES 1-1 1-2 1-3 1-4 1-5 1-6 CS/2500 and CS/2600 Communications Servers CS/2500 Series Enclosure 1-3 CS/2500 Front Panel 1-5 CS/2600 Front Panel 1-5 CS/2500 and CS/2600 Back Panel 1-7 Power Supply Module 1-10 2-1 Mounting in a Rack 2-3 2-2 Console Port Cable Attachment 2-3 Printer Port Cabling 2-8 1-1 2-6 5-1 5-2 5-3 5-4 5-5 5-6 5-7 Removing the Fuseholder Cartridge 5-3 Opening the Fuseholder Cartridge 5-4 Removing th
CS2500BookFile : CS2500BookFileLOT Page xii Thursday, December 11, 1997 10:44 AM TABLES 1 Notice Icons 1 2 Text Conventions 1-1 1-2 1-3 1-4 1-5 1-6 2 Software Compatible with CS/2500 and CS/2600 Software Compatible with CS/2000 and CS/2100 Front-Panel LED Indicators 1-5 Physical Dimensions 1-10 Electrical Requirements 1-11 Environmental Requirements 1-11 2-1 Console Port Configuration 2-5 4-1 Firmware Configuration Parameters 4-4 4-2 Address Discovery Protocol Parameters 4-10 4-3 IP Addressing Parame
CS2500BookFile : AboutThisGuide Page 1 Thursday, December 11, 1997 10:44 AM ABOUT THIS GUIDE Introduction This guide provides information on installing, configuring, troubleshooting, maintaining, and servicing the 3Com® CS/2500 series of communications servers. The CS/2500 series consists of Models CS/2500 and CS/2600. These models are identical except that Model CS/2600 includes a diskette drive.
CS2500BookFile : AboutThisGuide Page 2 Thursday, December 11, 1997 10:44 AM 2 ABOUT THIS GUIDE Table 1 Notice Icons Icon Type Description Warning Warnings alert you to the risk of severe personal injury. Table 2 Text Conventions Convention Description “Enter” vs. “Type” When the word “enter” is used in this guide, it means type something, then press the Return or Enter key. Do not press the Return or Enter key when an instruction simply says “type.” “Syntax” vs.
CS2500BookFile : AboutThisGuide Page 3 Thursday, December 11, 1997 10:44 AM Conventions 3 Table 2 Text Conventions (continued) Convention Description Keys When specific keys are referred to in the text, they are called out by their labels, such as “the Return key” or “the Escape key,” or they may be shown as [Return] or [Esc]. If two or more keys are to be pressed simultaneously, the keys are linked with a plus sign (+), for example: Press [Ctrl]+[Alt]+[Del].
CS2500BookFile : AboutThisGuide Page 4 Thursday, December 11, 1997 10:44 AM 4 ABOUT THIS GUIDE
CS2500BookFile : Overview Page 1 Thursday, December 11, 1997 10:44 AM 1 OVERVIEW CS/2500 series communications servers connect serial devices over a local area network (LAN). These products support most asynchronous terminals, hosts, printers, personal computers, modems, word processors, and other devices. All CS/2500 series models can be used as terminal servers or as combination host and terminal servers. The CS/2500 series consists of Model CS/2500 and Model CS/2600, shown in Figure 1-1.
CS2500BookFile : Overview Page 2 Thursday, December 11, 1997 10:44 AM 1-2 CHAPTER 1: OVERVIEW ■ 2 MB of memory ■ Ethernet attachment unit interface (AUI) ■ Support for parallel printers with Centronics™ interfaces Model CS/2500 has no diskette drive. This configuration is advantageous in environments where disk contamination is possible or where users are not allowed access to system software.
CS2500BookFile : Overview Page 3 Thursday, December 11, 1997 10:44 AM Chassis 1-3 When a CS/2500 or CS/2600 is running in CS/2000 or CS/2100 mode, it can use only the software listed in Table 1-2, or other software with the prefix SW/2000 or SW/200. Table 1-2 Software Compatible with CS/2000 and CS/2100 Software Label and Version TCP SW/2000-T-4.1 or later SW/200-TCP 3.2 or later Chassis TCP/LAT SW/2000-TL-4.0 or later OSI/TCP SW/2000-OT 1.
CS2500BookFile : Overview Page 4 Thursday, December 11, 1997 10:44 AM 1-4 CHAPTER 1: OVERVIEW 00 CS/26 3Com Hardware interrupt switch Diskette drive (CS/2600 only) Air intake LED indicators Reset switch Transceiver connector Printer port Power supply module Serial ports Air exhaust Figure 1-2 CS/2500 Series Enclosure Hardware Interrupt Switch The hardware interrupt switch is located on the server’s left side panel close to the rear, as shown in Figure 1-2.
CS2500BookFile : Overview Page 5 Thursday, December 11, 1997 10:44 AM Front Panel 1-5 WARNING: Use only a nonconductive object such as a plastic stylus to press the hardware interrupt switch. Do not use the tip of a pencil. Graphite particles can cause electrical shock to the operator and can damage components on the server’s circuit boards. Cover The inverted U-shaped cover is secured by two screws on the bottom edge of each side of the chassis. Both sides of the cover have vents.
CS2500BookFile : Overview Page 6 Thursday, December 11, 1997 10:44 AM 1-6 CHAPTER 1: OVERVIEW CS/2600 3Com Reset switch Power Self Test Boot Packet Network Data State Received Received Activity 3.5" diskette drive LED indicators Figure 1-4 CS/2600 Front Panel LEDs The six front-panel LED indicators display operational and diagnostic activity at power-on and while communications server software is running. Table 1-3 lists these front-panel LED indicators and their functions.
CS2500BookFile : Overview Page 7 Thursday, December 11, 1997 10:44 AM Back Panel 1-7 Reset Switch The reset switch is located at the lower left corner of the front panel (see Figure 1-3 and Figure 1-4). It is recessed to protect it from being pressed unintentionally. Pressing the reset switch interrupts normal operation, reinitializes the server, begins the startup sequence, and purges server RAM in the same way as toggling the power switch.
CS2500BookFile : Overview Page 8 Thursday, December 11, 1997 10:44 AM 1-8 CHAPTER 1: OVERVIEW The following sections describe these connectors. Pin assignments are listed in Appendix A, “Pin Assignments. “ Serial I/O Connectors The back panel provides ten serial I/O ports, labeled J0C through J9C, using horizontally mounted 25-pin D-series subminiature female connectors (RS-232-D). All ten ports can be used to connect the server to hosts, terminal devices, or modems.
CS2500BookFile : Overview Page 9 Thursday, December 11, 1997 10:44 AM Back Panel ■ 1-9 Perform memory dumps Console functions are useful for maintenance and repair (for instance, after a server crash) and for OEMs developing software for CS/2500 series servers. Console port parity is set to none, and the number of data bits is set to 8. Neither setting can be altered.
CS2500BookFile : Overview Page 10 Thursday, December 11, 1997 10:44 AM 1-10 CHAPTER 1: OVERVIEW The cable between the server and the printer should not be more than 12 feet long, so you must locate your printer physically close to the server. The printer connector is a female DB-25 equipped with jack posts. Although it resembles an RS-232 serial port connector physically, it is not equivalent electrically. For information on the printer port’s pin assignments, refer to Appendix A, “Pin Assignments.
CS2500BookFile : Overview Page 11 Thursday, December 11, 1997 10:44 AM Optional Rack Mount Kit 1-11 Fuse holder cartridge Power cord receptacle AC switch Figure 1-6 Power Supply Module Optional Rack Mount Kit An optional rack mount kit is available for CS/2500 series servers (3Com part number 3C759). This kit allows you to mount the server in a two- or four-pole 19-inch rack. For information on how to install the server in a rack, refer to “Mounting in a Rack” on page 2-2.
CS2500BookFile : Overview Page 12 Thursday, December 11, 1997 10:44 AM 1-12 CHAPTER 1: OVERVIEW Table 1-4 Physical Dimensions Attribute Description Weight 12.0 lb (5.5 kg) Table 1-5 Electrical Requirements Parameter Requirement Input voltage 115/230 VAC 47–63 Hz Input voltage ranges 90 to 132 VAC or 180 to 264 VAC Either range accepted without user switching Maximum current consumption 1.
CS2500BookFile : Installation Page 1 Thursday, December 11, 1997 10:44 AM 2 INSTALLATION This chapter describes how to install your CS/2500 series server, including cabling the server to other devices on your network. CAUTION: To eliminate cable noise emission in excess of FCC Part 15 Subpart J, VDE 0871, or CISPR22 (EN55022) for Class A devices, all cables should be triple-shielded (Inmac® 536888 or equivalent) and have connectors with metallic backshells.
CS2500BookFile : Installation Page 2 Thursday, December 11, 1997 10:44 AM 2-2 CHAPTER 2: INSTALLATION Mounting the Server Mounting on a Table You can mount a CS/2500 series server on a tabletop, in a two- or four-pole 19-inch rack, or vertically in a wall mount. To mount your server on a tabletop, use the following procedure: 1 Place the server on a firm, flat surface. Do not mount the server at an angle greater than 15 degrees from the horizontal or vertical.
CS2500BookFile : Installation Page 3 Thursday, December 11, 1997 10:44 AM Mounting the Server 2-3 2 Slip two spring-clip captive nuts over the holes of each rack pole where you want to install the server (see Figure 2-1). Make sure that the nut goes behind the pole. 3 Attach the server to the rack. One person should hold the server between the poles of the rack, while the other attaches the server to the poles.
CS2500BookFile : Installation Page 4 Thursday, December 11, 1997 10:44 AM 2-4 CHAPTER 2: INSTALLATION Mounting on the Wall You can mount the server vertically on a wall using a wall mount kit (3Com part number 3C760). When mounting the server vertically, place the server in the vertical stand with the rear panel pointing to one side. Be sure that the side with the exhaust openings points up. When you view the front panel in this position, the reset switch is closest to the floor.
CS2500BookFile : Installation Page 5 Thursday, December 11, 1997 10:44 AM Cabling the Server to the Network 2-5 ■ All ports are set to terminal (SETDefault -TERM DeVice = Terminal ). ■ BAud is set to AutoBaud (SETDefault -TERM BAud = AutoBaud). ■ PARIty is set to None (SETDefault -TERM PARIty = None). If your network hardware does not match these defaults, you must reconfigure the software. Refer to Chapter 20, “TERM Service Parameters,” in the Multiprotocol Communications Server Reference Guide.
CS2500BookFile : Installation Page 6 Thursday, December 11, 1997 10:44 AM 2-6 CHAPTER 2: INSTALLATION Once the server is turned on, you can change these parameters using the Firmware Configuration Utility (refer to Chapter 4, “Configuration”). If you configure a port as the console port and then enable the monitor, that port cannot be used for another type of device. Attach the cable from the server to the terminal as shown in Figure 2-2.
CS2500BookFile : Installation Page 7 Thursday, December 11, 1997 10:44 AM Cabling the Server to the Network 2-7 Figure 2-2 Console Port Cable Attachment Attaching a Transceiver Cable To connect the server to an Ethernet LAN, you can use either your own transceiver cable or a 3Com cable. The transceiver and transceiver cable must conform to IEEE 802.3 AUI mechanical and electrical specifications. 3Com transceiver cables are available in lengths from 15 to 150 feet (4.6 to 46 meters).
CS2500BookFile : Installation Page 8 Thursday, December 11, 1997 10:44 AM 2-8 CHAPTER 2: INSTALLATION Install brackets 00 CS/26 3Com Install server in rack Figure 2-3 Printer Port Cabling For pin assignments of the printer port, refer to Appendix A, “Pin Assignments.” Attaching the Power Cable A power cable is supplied with your CS/2500 series server. If the power cable does not match your requirements, contact your network supplier for assistance.
CS2500BookFile : Installation Page 9 Thursday, December 11, 1997 10:44 AM Modifying the Firmware Configuration 2-9 The AC power source must meet the requirements outlined in “Specifications” on page 1-11. The server must be connected to its AC power source with a grounded line cord to meet safety requirements. Modifying the Firmware Configuration The CS/2500 series server’s firmware is preset at the factory for basic installations; in most cases you do not need to reconfigure it.
CS2500BookFile : Installation Page 10 Thursday, December 11, 1997 10:44 AM 2-10 CHAPTER 2: INSTALLATION
CS2500BookFile : Startup Page 1 Thursday, December 11, 1997 10:44 AM 3 STARTUP Once you have installed the server hardware as described in Chapter 2, “Installation,” you are ready to start your server. You can start from software stored on a 3Com Remote Boot and Configuration Services (RBCS) server, from a generic TFTP/FTP server, or from a diskette inserted in the local drive (CS/2600 only).
CS2500BookFile : Startup Page 2 Thursday, December 11, 1997 10:44 AM 3-2 CHAPTER 3: STARTUP Installing Software on an RBCS Server 3Com’s Remote Boot and Configuration Service (RBCS) is network control server software that runs on the Sun™ SPARC™ systems product line using SunOS™ 4.1 or later. It provides network control services to 3Com communications servers and internetworking servers (client servers) running the TCP/IP protocols.
CS2500BookFile : Startup Page 3 Thursday, December 11, 1997 10:44 AM Booting from Diskette 3-3 on the server again. If the problem persists, refer to “Startup Problems” on page 6-1. The Self Test LED remains on during self-test diagnostics, about 40 seconds. The server then enters the boot phase. The Boot State LED remains on during boot, and the Packet Received LED lights as the image is received from the RBCS server. This process takes several minutes.
CS2500BookFile : Startup Page 4 Thursday, December 11, 1997 10:44 AM 3-4 CHAPTER 3: STARTUP the data in your current working diskette is corrupt, you can use the backup copy and still boot the server with the correct parameter settings. Copying and Formatting Diskettes To copy a diskette on a CS/2600, follow this procedure: 1 Connect a terminal to the console port (J0 is the default) on the communications server’s back panel. 2 Configure the terminal to 9600 baud, 8 data bits, 1 stop bit, and no parity.
CS2500BookFile : Startup Page 5 Thursday, December 11, 1997 10:44 AM Booting from Diskette 3-5 6 Wait about five seconds, then press the Return key on the console keyboard.
CS2500BookFile : Startup Page 6 Thursday, December 11, 1997 10:44 AM 3-6 CHAPTER 3: STARTUP 12 Insert the master (source) diskette (the diskette you want to copy from) and press the Return key. The server copies files from the master diskette. The following message appears: reading...OK insert copy and hit return to continue 13 Remove the master diskette. 14 Insert the formatted copy (destination) diskette (the diskette you are copying to) into the diskette drive and press the Return key.
CS2500BookFile : Startup Page 7 Thursday, December 11, 1997 10:44 AM Booting from Diskette 3-7 Enter the density to begin formatting operation Escape to abort the format Return to use default density (2mb): 3 Insert a blank 2 MB (high-density) diskette (1.44 MB formatted). (Make sure it is not write-protected.) 4 Type 2 or press the Return key to begin the format. The server formats your diskette.
CS2500BookFile : Startup Page 8 Thursday, December 11, 1997 10:44 AM 3-8 CHAPTER 3: STARTUP Normal Startup Messages If a terminal is attached to the console port, startup messages appear on it during the boot process. These messages vary, depending on your boot source.
CS2500BookFile : Startup Page 9 Thursday, December 11, 1997 10:44 AM Shutting Down 3-9 1 Notify all users that the server is being shut down. You can notify users from a terminal port on the server or from the console via the BRoadcast command. Refer to the Multiprotocol Communications Server Operation Guide and Multiprotocol Communications Server Software Reference Guide for information on this command. 2 Disconnect all active sessions.
CS2500BookFile : Startup Page 10 Thursday, December 11, 1997 10:44 AM 3-10 CHAPTER 3: STARTUP
CS2500BookFile : Configuration Page 1 Thursday, December 11, 1997 10:44 AM 4 CONFIGURATION To configure CS/2500 and CS/2600 firmware settings, use the Firmware Configuration Utility. Firmware is preset at the factory for basic installations; in most cases you do not need to reconfigure it. This chapter describes how to make changes if necessary.
CS2500BookFile : Configuration Page 2 Thursday, December 11, 1997 10:44 AM 4-2 CHAPTER 4: CONFIGURATION 2 Configure the terminal to 9600 bps, 8 data bits, 1 stop bit, and no parity. These instructions assume the default firmware configuration. If you have used firmware configuration commands to change the baud rate or to select a different console port, modify the instructions accordingly.
CS2500BookFile : Configuration Page 3 Thursday, December 11, 1997 10:44 AM Changing the Configuration Changing the Configuration 4-3 To change the communications server configuration, follow this procedure: 1 Enter the firmware configuration command fc at the monitor prompt. The following menu is displayed: Firmware Configuration Utility Commands: C - Change parameters D - Display parameters es - Exit to monitor c 2 Type D to display current parameter settings.
CS2500BookFile : Configuration Page 4 Thursday, December 11, 1997 10:44 AM 4-4 CHAPTER 4: CONFIGURATION 4 To change the current parameters, type C . The Change Parameters menu appears: 1. 2. 3. 4. 5. 6. 7. 8. 9. A. P. S.
CS2500BookFile : Configuration Page 5 Thursday, December 11, 1997 10:44 AM Changing the Configuration 4-5 Table 4-1 Firmware Configuration Parameters (continued) Parameter Values (continued) 4. Auto-reboot m - Boot monitor u - Upload then reboot r - Reboot only* 5. Monitor d - Disable* e - Enable 6. Initial boot source 1 - Network† 2 - Monitor 3 - Local Floppy‡ 4 - Network then Floppy‡ 5 - Floppy then Network‡ 7. Number of reboots Reset reboots number r - reset 8.
CS2500BookFile : Configuration Page 6 Thursday, December 11, 1997 10:44 AM 4-6 CHAPTER 4: CONFIGURATION Console Baud Rate Sets the baud rate for the console port. The default value is 9600. You can set the rate to 110, 300, 1200, 2400, or 9600 bps. Console port parity is set to none, and number of data bits is set to 8. You cannot change these values. Console Port Specifies the console port. The choices are 0 through 9; the default is 0.
CS2500BookFile : Configuration Page 7 Thursday, December 11, 1997 10:44 AM Changing the Configuration 4-7 Because the default setting is for the Monitor parameter to be disabled, you should set it to “Enabled” before resetting the server if you want the monitor to be readily available. In addition, if you set the monitor as your initial boot source, you must make sure the Monitor parameter is enabled.
CS2500BookFile : Configuration Page 8 Thursday, December 11, 1997 10:44 AM 4-8 CHAPTER 4: CONFIGURATION Network Boot String Specifies the filename of the image to be downloaded from an RBCS or TFTP/FTP server and executed. This string can be up to 128 characters long. The default is “_cs200 “ (without the quotation marks). If your boot protocol is System Load Protocol (SLP), do not modify the default network boot string.
CS2500BookFile : Configuration Page 9 Thursday, December 11, 1997 10:44 AM Changing the Configuration 4-9 If you change the Boot Protocol parameter from TFTP to SLP and back to TFTP, check the Change IP/TFTP Parameters menu’s Address Discovery Protocol field. Changing from TFTP to SLP and back to TFTP results in Address Discovery Protocol reverting from your configured setting to its default setting (BOOTP then RARP).
CS2500BookFile : Configuration Page 10 Thursday, December 11, 1997 10:44 AM 4-10 CHAPTER 4: CONFIGURATION 1. 2. 3. 4. 5. 6. 7. 8.
CS2500BookFile : Configuration Page 11 Thursday, December 11, 1997 10:44 AM Changing the Configuration 4-11 Table 4-2 Address Discovery Protocol Parameters Value Meaning BOOTP BOOTP only. BOOTP then RARP The communications server first seeks TFTP server addresses using BOOTP; if this fails, it tries RARP. This is the default. RARP RARP only. RARP then BOOTP The communications server first seeks addresses using RARP; if this fails, it tries BOOTP.
CS2500BookFile : Configuration Page 12 Thursday, December 11, 1997 10:44 AM 4-12 CHAPTER 4: CONFIGURATION Table 4-3 IP Addressing Parameters (continued) IP Option Meaning IP security option Determines the classification protection level as specified in RFC 1038: 1 - don’t care (default) 2 - Unclassified 3 - Confidential 4 - Secret 5 - Top Secret 6 - Other TFTP upload path The pathname to which to upload a memory image from the communications server to the RBCS or TFTP/FTP server.
CS2500BookFile : Configuration Page 13 Thursday, December 11, 1997 10:44 AM Changing Port Configuration 4-13 To configure the server to emulate a CS/2000 or CS/2100, do the following: 1 From the Change Parameters menu in the Firmware Configuration Utility, type S . The System Default Configuration Menu appears.
CS2500BookFile : Configuration Page 14 Thursday, December 11, 1997 10:44 AM 4-14 CHAPTER 4: CONFIGURATION 1 From the Change Parameters menu in the Firmware Configuration Utility, type S .
CS2500BookFile : Configuration Page 15 Thursday, December 11, 1997 10:44 AM Changing Port Configuration 4-15 presence of an active pin 25 and automatically switches to RS-422 operation. This option affects all ports. This setting acts as a toggle. To disable it, type 4 again. Automatic RS-422 selection requires a different configuration for the RS-422 connector, in which pin 22 acts as a loopback for pin 25. For more information, refer to Appendix A, “Pin Assignments.
CS2500BookFile : Configuration Page 16 Thursday, December 11, 1997 10:44 AM 4-16 CHAPTER 4: CONFIGURATION
CS2500BookFile : MaintenanceUpgrades Page 1 Thursday, December 11, 1997 10:44 AM 5 MAINTENANCE AND UPGRADES This chapter describes how to perform maintenance procedures for your communications server.
CS2500BookFile : MaintenanceUpgrades Page 2 Thursday, December 11, 1997 10:44 AM 5-2 CHAPTER 5: MAINTENANCE Cleaning the Diskette Drive Head AND UPGRADES ■ To avoid excessive diskette wear, change the working diskette every three months. Refer to “Copying and Formatting Diskettes” on page 3-4 for the procedure for copying diskettes. ■ In case of a crash, an immediate memory dump may help diagnose the problem. Keep four high-density diskettes available for this purpose.
CS2500BookFile : MaintenanceUpgrades Page 3 Thursday, December 11, 1997 10:44 AM Maintenance 5-3 2 Pry the cartridge loose. It should pop out easily. 3 Slide the fuseholder cartridge completely out of the enclosure. (Prying cartridge) Figure 5-1 Removing the Fuseholder Cartridge 4 Remove the fuse clip insert from the fuseholder cartridge. The fuse clips, conductors, and fuses are mounted on this cartridge.
CS2500BookFile : MaintenanceUpgrades Page 4 Thursday, December 11, 1997 10:44 AM 5-4 CHAPTER 5: MAINTENANCE AND UPGRADES 8 Reinstall the fuseholder cartridge in the receptacle.
CS2500BookFile : MaintenanceUpgrades Page 5 Thursday, December 11, 1997 10:44 AM Upgrades Upgrades 5-5 Upgrade procedures require you to remove the server cover. CAUTION: Procedures that involve removing the server cover must be performed by service personnel only. “Service personnel” means people who have appropriate technical training and experience. Service personnel are aware of hazards they are exposed to and of methods to minimize the danger to themselves and others.
CS2500BookFile : MaintenanceUpgrades Page 6 Thursday, December 11, 1997 10:44 AM 5-6 CHAPTER 5: MAINTENANCE Removing the Cover AND UPGRADES Follow these steps to remove the server cover: 1 Shut down the server, as described in “Shutting Down” on page 3-8. WARNING: Before removing the cover, be sure the unit is turned off and the power cord is either disengaged from the unit’s receptacle or unplugged from the wall socket. 2 If the server is mounted in a rack, remove it from the rack.
CS2500BookFile : MaintenanceUpgrades Page 7 Thursday, December 11, 1997 10:44 AM Upgrades 5-7 4 Grasp both sides of the cover and carefully lift it off. Figure 5-4 shows a view of the server interior and its components. Figure 5-5 shows the motherboard and the locations of the memory chips and EPROMs that can be replaced. Transceiver connector and cable Printer cable Rear Power supply WARNING: Hazardous voltage. Do not open. No user-serviceable parts inside.
CS2500BookFile : MaintenanceUpgrades Page 8 Thursday, December 11, 1997 10:44 AM 5-8 CHAPTER 5: MAINTENANCE AND UPGRADES 0-7 8-F Rear Front Memory chips (RAM) EPROMs Figure 5-5 Memory Chip and EPROM Locations on Motherboard Replacing the Diskette Drive This section explains how to replace the diskette drive (Model CS/2600 only). You need a #1 and a #2 Phillips screwdriver. A pair of needlenose pliers is also helpful for removing and replacing screws and connectors.
CS2500BookFile : MaintenanceUpgrades Page 9 Thursday, December 11, 1997 10:44 AM Upgrades 5-9 b Disconnect the cable attached to the rear of the daughtercard. Pull it toward you to expose the mounting screw that fastens the diskette drive bracket to the bottom of the chassis (step 2 in Figure 5-6). c Remove the mounting screw (step 3 in Figure 5-6). d Slide the bracket toward the rear and lift it and the diskette drive out of the chassis (step 4 in Figure 5-6).
CS2500BookFile : MaintenanceUpgrades Page 10 Thursday, December 11, 1997 10:44 AM 5-10 CHAPTER 5: MAINTENANCE AND UPGRADES 5 Transfer the bracket from the original diskette drive to the new one. a Remove the four screws (two on each side of the bracket) that hold the diskette drive. b Slide the old drive out of the bracket. c Slide the new drive into the bracket. d Replace the four screws. 6 Reconnect the power wiring harness and the short ribbon cable to the rear of the diskette drive.
CS2500BookFile : MaintenanceUpgrades Page 11 Thursday, December 11, 1997 10:44 AM Upgrades 5-11 WARNING: To avoid possible electrical shock, the server’s power cord must be disconnected from the power source before accessing its internal components. You need a #1 and a #2 Phillips screwdriver. A pair of needlenose pliers is also helpful for removing and replacing screws. Follow this procedure: 1 Make sure server power is off and the power cord is unplugged.
CS2500BookFile : MaintenanceUpgrades Page 12 Thursday, December 11, 1997 10:44 AM 5-12 CHAPTER 5: MAINTENANCE AND UPGRADES 1 Remove connector from motherboard. Rear Power supply WARNING: Hazardous voltage. Do not open. No user-serviceable parts inside. Motherboard 3 Remove screw. 4 Pull out power supply. 5 Remove power wiring harness connector. 2 Disconnect cable and pull taut to expose screw. Daughtercard Front Figure 5-7 Removing the Power Supply 4 Install the new power supply module.
CS2500BookFile : MaintenanceUpgrades Page 13 Thursday, December 11, 1997 10:44 AM Upgrades Replacing Memory Chips 5-13 If you ever need to replace memory chips on the motherboard, follow this procedure: 1 Make sure server power is off and the power cord is unplugged. 2 Remove the cover, as described in “Removing the Cover” on page 5-6. The memory chips are located on the motherboard, near the front of the server, as shown in Figure 5-5.
CS2500BookFile : MaintenanceUpgrades Page 14 Thursday, December 11, 1997 10:44 AM 5-14 CHAPTER 5: MAINTENANCE Replacing EPROMs AND UPGRADES To replace EPROMs on the motherboard, follow this procedure: 1 Remove the cover, as described in “Removing the Cover” on page 5-6. Make sure the server power is off and the power cord is unplugged. The EPROMs are located on the right side of the motherboard (when viewing the server from the front), as shown in Figure 5-5.
CS2500BookFile : MaintenanceUpgrades Page 15 Thursday, December 11, 1997 10:44 AM Upgrades Replacing the Cover 5-15 When you have finished the upgrade or servicing, always replace the server’s cover before plugging it in. WARNING: To avoid a fire hazard, always replace the cover. Powering on the server without a cover can cause it to overheat. The warranty is void if this occurs. To replace the cover, do the following: 1 Place the cover on the server enclosure.
CS2500BookFile : MaintenanceUpgrades Page 16 Thursday, December 11, 1997 10:44 AM 5-16 CHAPTER 5: MAINTENANCE AND UPGRADES
CS2500BookFile : Troubleshooting Page 1 Thursday, December 11, 1997 10:44 AM 6 TROUBLESHOOTING If your communications server does not start up as described in Chapter 3, “Startup,” or fails during operation, review the following troubleshooting hints. If you cannot solve the problem, contact 3Com or your network supplier. Refer to Appendix D, “Technical Support,” for technical support information.
CS2500BookFile : Troubleshooting Page 2 Thursday, December 11, 1997 10:44 AM 6-2 CHAPTER 6: TROUBLESHOOTING At initial power-on or during a reset, Power and Self Test LEDs fail to light. Meaning: There is no power to the server. Action: Power off the server by pressing the O side of the power switch, then do the following: 1 Verify that the power cord is plugged securely into the power supply module. 2 Verify that the power cord is connected to an outlet.
CS2500BookFile : Troubleshooting Page 3 Thursday, December 11, 1997 10:44 AM Operating Problems 6-3 2 If you are booting from a network, make sure that your network is operational and that the communications server is configured to use the network boot source. 3 When you are prompted to enter the monitor, enter N to retry the boot sequence. 4 If the problem happens again, enter Y to access the monitor.
CS2500BookFile : Troubleshooting Page 4 Thursday, December 11, 1997 10:44 AM 6-4 CHAPTER 6: TROUBLESHOOTING Figure 1-2 on page 1-4. The switch is recessed into a round hole to protect it from being pressed unintentionally. WARNING: Use only a nonconductive object such as a plastic stylus to press the hardware interrupt switch. Do not use the tip of a pencil. Graphite particles can cause electrical shock to the operator and can damage components on the server’s circuit boards.
CS2500BookFile : Troubleshooting Page 5 Thursday, December 11, 1997 10:44 AM Memory Dump Procedures 6-5 1 Reset the server by pressing the reset switch on the front panel. 2 If resetting the server does not resolve the problem, check the cable, transceiver, and any other devices associated with connecting the Ethernet interface to the network. Replace any faulty component. 3 If the problem persists, contact your network supplier.
CS2500BookFile : Troubleshooting Page 6 Thursday, December 11, 1997 10:44 AM 6-6 CHAPTER 6: TROUBLESHOOTING Dumping Memory to a TFTP Host To write a memory dump to a TFTP host, you must set the boot protocol to TFTP, and the TFTP Upload Path parameter in the firmware configuration must indicate where the dump should be written onto the host. Refer to your TFTP server documentation to determine the appropriate directory.
CS2500BookFile : Troubleshooting Page 7 Thursday, December 11, 1997 10:44 AM Memory Dump Procedures 6-7 Return to use the default density (2mb): 3 Press the Return key to select the default, 2 MB (high-density).
CS2500BookFile : Troubleshooting Page 8 Thursday, December 11, 1997 10:44 AM 6-8 CHAPTER 6: TROUBLESHOOTING VERSion . This command provides both the software version string and the firmware version number. If the software fails to boot, the firmware version number appears in the power-up message when a console is attached and Monitor is enabled. Press the front panel reset button to obtain this message.
CS2500BookFile : PinAssignments Page 1 Thursday, December 11, 1997 10:44 AM A PIN ASSIGNMENTS This appendix lists pin assignments for port interfaces on CS/2500 and CS/2600 series communications servers. The CS/2500 and CS/2600 include three types of port interfaces: Ten serial RS-232-D or RS-422 connectors ■ One 802.
CS2500BookFile : PinAssignments Page 2 Thursday, December 11, 1997 10:44 AM A-2 APPENDIX A: PIN ASSIGNMENTS The table also lists pins assigned for RS-422 functions, when the port is configured for RS-422 in the firmware. You can use the table as a reference for cables supplied by 3Com. CAUTION: A chassis ground connection between the communications server and customer equipment is strongly recommended. This connection minimizes the potential for equipment damage caused by electrostatic discharges.
CS2500BookFile : PinAssignments Page 3 Thursday, December 11, 1997 10:44 AM RS-232 Serial Ports A-3 Table A-1 RS-232 Serial Port Pin Assignments (continued) RS-232D Name 3Com Name 21 — — 22† — 23* — 24* 25‡ Pin Failsafe State Function — — Not used RI Out — Ring Indicator DTE RXC In — DTE Receive Clock — DTE TXC In — DTE Transmit Clock — — — RS-232 Switch between RS-232 and RS-422 operation Direction (continued) * Pins 11, 23, and 24 are supported on ports J0 and J1 onl
CS2500BookFile : PinAssignments Page 4 Thursday, December 11, 1997 10:44 AM A-4 APPENDIX A: PIN ASSIGNMENTS DCE CS/2500 Pin TXD+ 13 TXD- 14 RXD- 16 RXD+ 19 22 25 Figure A-3 Cable Wiring for Serial Port in Automatic RS-422 Selection Mode Transceiver Connector Figure A-4 shows pin numbering for the transceiver connector. Table A-2 lists pin assignments for this connector.
CS2500BookFile : PinAssignments Page 5 Thursday, December 11, 1997 10:44 AM Parallel Printer Port A-5 Table A-2 Transceiver Connector Pin Assignments (continued) Pin Function Circuit Use 11* Transmit Shield DO-S Data Out circuit shield 12 Receive (-) DI-B Data In circuit B 13† Power VP Voltage plus 14* Power Shield VS Voltage shield 15 Control Out (-) (unsupported) CO-B Control Out circuit B Shell Chassis Ground Protective ground; conductive shell PG * Attached to power return.
CS2500BookFile : PinAssignments Page 6 Thursday, December 11, 1997 10:44 AM A-6 APPENDIX A: PIN ASSIGNMENTS Table A-3 Printer Port Pin Assignments (continued) Pin (Server Interface) Pin (Printer Interface) Signal Source Description 8 8 Data7 Server Data Bit 6 9 9 Data8 Server Data Bit 7 10 10 Acknowledge Printer — 11 11 Busy Printer — 12 12 Out of paper Printer — 13 13 SLCT Printer — 14 14 Unassigned — — 15 32 Error Printer — 16 31 Initialize Printer — 17
CS2500BookFile : Messages Page 1 Thursday, December 11, 1997 10:44 AM B STARTUP MESSAGES At power-on or reset, the server performs self-tests and diagnostics. When a console is attached and monitor mode is enabled, it sends status and error messages generated by these tests to the console, if possible. This appendix lists these messages in alphabetical order. The server may not always be able to report a failure on the console (for example, CPU failure).
CS2500BookFile : Messages Page 2 Thursday, December 11, 1997 10:44 AM B-2 APPENDIX B: STARTUP MESSAGES SIO - Failed test # Meaning: An error was encountered in serial input/output (SIO) test ; may indicate a bad serial I/O controller integrated circuit. SIO - Passed ports No errors were encountered in SIO self-tests. The number of ports on the server is . Typical power-on diagnostics on a CS/2500 series server look like this: Series 2000 Power-up CPU - Passed 2Mbyte RAM C3 MMON rev.
CS2500BookFile : Monitor Page 1 Thursday, December 11, 1997 10:44 AM C MONITOR UTILITY This appendix describes how to access and use the monitor utility, which consists of commands and parameters that reside in the motherboard’s firmware. Monitor mode suspends normal operation and allows interaction only with the monitor command interface. Using this utility, you can perform the following tasks: ■ Boot or reset the server. ■ Copy and format diskettes. ■ List and delete files on a diskette.
CS2500BookFile : Monitor Page 2 Thursday, December 11, 1997 10:44 AM C-2 APPENDIX C: MONITOR UTILITY ■ ■ Configure firmware to access the monitor during the following circumstances: ■ At startup ■ If the server becomes nonfunctional Press the hardware interrupt switch. These methods are described in the following sections. Once you access the monitor utility, you are in monitor mode, indicated by the angle bracket prompt (>).
CS2500BookFile : Monitor Page 3 Thursday, December 11, 1997 10:44 AM Entering the Monitor C-3 If an error occurs while the server is running its software, the server automatically accesses the monitor. At this point, 3Com or your network supplier may ask you to perform a memory dump. For information on memory dumps, refer to “Memory Dump Procedures” on page 6-5. Using the Hardware Interrupt Switch You can use this method of accessing the monitor even if the server becomes nonfunctional.
CS2500BookFile : Monitor Page 4 Thursday, December 11, 1997 10:44 AM C-4 APPENDIX C: MONITOR UTILITY Using Commands While in monitor mode you can boot or reset the server and perform diagnostic tasks and other functions by entering commands. You must be in monitor mode to use these commands. When you are finished, reset the server by pressing the reset switch on the front panel. Command Descriptions Table C-1 summarizes monitor mode commands.
CS2500BookFile : Monitor Page 5 Thursday, December 11, 1997 10:44 AM Using Commands C-5 The and parameters specify the name of the bootfile and the location in memory where it should be loaded. For example, enter bt _cs30 0x4000010 to load and run the file _cs30 from memory location 0x4000010. If you do not specify a parameter, the server attempts to boot from file 0 on the diskette.
CS2500BookFile : Monitor Page 6 Thursday, December 11, 1997 10:44 AM C-6 APPENDIX C: MONITOR UTILITY FO Syntax Description FO Formats a diskette (Model CS/2600 only). For a description of the procedure, refer to “Formatting Diskettes without the Copy Command” on page 3-6. H or ? Syntax Description H ? Displays a list of all available commands and their syntax. Commands in the list that are not documented in this guide are for 3Com internal use only.
CS2500BookFile : TechSupp.med Page 1 Thursday, December 11, 1997 10:44 AM D TECHNICAL SUPPORT 3Com provides easy access to technical support information through a variety of services. This appendix describes these services.
CS2500BookFile : TechSupp.med Page 2 Thursday, December 11, 1997 10:44 AM D-2 APPENDIX D: TECHNICAL SUPPORT Country Data Rate Telephone Number U.S. up to 28800 bps (1) (408) 980 8204 Access by ISDN ISDN users can dial-in to 3ComBBS using a digital modem for fast access up to 56 Kbps.
CS2500BookFile : TechSupp.med Page 3 Thursday, December 11, 1997 10:44 AM Support from Your Network Supplier 3ComFacts Automated Fax Service D-3 3Com Corporation’s interactive fax service, 3ComFacts, provides data sheets, technical articles, diagrams, and troubleshooting instructions on 3Com products 24 hours a day, seven days a week. Call 3ComFacts using your touch-tone telephone. International access numbers are: Country Telephone Number Hong Kong (852) 2537 5610 U.K. (44) (1442) 278279 U.S.
CS2500BookFile : TechSupp.med Page 4 Thursday, December 11, 1997 10:44 AM D-4 APPENDIX D: TECHNICAL SUPPORT If you are unable to contact your network supplier, see the following section on how to contact 3Com.
CS2500BookFile : TechSupp.med Page 5 Thursday, December 11, 1997 10:44 AM Support from 3Com Support from 3Com D-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.
CS2500BookFile : TechSupp.med Page 6 Thursday, December 11, 1997 10:44 AM D-6 APPENDIX D: TECHNICAL SUPPORT Country Telephone Number Fax Number Europe 31 30 60 29900, option 5 (44) (1442) 275822 Outside Europe, U.S.
CS2500BookFile : CS2500BookFileIX Page 1 Thursday, December 11, 1997 10:44 AM INDEX Symbols C ! command C-6 ? command C-6 cabling console 2-5 hosts, terminals, and modems 2-4 power cable 2-8 printer cable 2-7 serial cables 2-5 transceiver cable 2-7 chassis 1-3 circuit assignments. See pin assignments cleaning diskette drive 5-2 Client IP Address parameter 4-11 CO command C-5 compatibility, software 1-2 CompuServe D-2 configuration console port 4-2 emulation mode 4-12 firmware.
CS2500BookFile : CS2500BookFileIX Page 2 Thursday, December 11, 1997 10:44 AM 2 INDEX cover description 1-4 removing 5-6 replacing 5-15 current consumption, floppy disk drive, 1-11 D damage, shipping 2-1 Data Received LED 1-6 DE command C-5 deleting file from diskette C-5 DF command C-5 diagnostic messages B-1 diagnostics.
CS2500BookFile : CS2500BookFileIX Page 3 Thursday, December 11, 1997 10:44 AM INDEX installation cabling 2-4 to 2-9 mounting 2-2 to 2-4 preparation 2-1 internal disk drive. See diskette drive interrupt switch. See hardware interrupt switch IP address. See IP/TFTP parameters IP security option 4-11 IP/TFTP parameters 4-9, 4-11 N NCS server 3-1, 4-8 Network Activity LED 1-6 Network Boot String parameter 4-7 network, booting from 3-1 Network Control Server server.
CS2500BookFile : CS2500BookFileIX Page 4 Thursday, December 11, 1997 10:44 AM 4 INDEX R rack mount 1-10, 2-2 RAM, replacing 5-13 RARP protocol 4-10 RBCS server Boot Protocol parameter 4-8 booting from 3-2 dumping memory to 6-5, C-6 installing software 3-2 Network Boot String parameter 4-8 reboot Auto-Reboot parameter 4-6 number of reboots 4-7 remote 3-3 Remote Boot and Configuration Service server.
CS2500BookFile : CS2500BookFileIX Page 5 Thursday, December 11, 1997 10:44 AM INDEX startup problems 6-1 to 6-3 U UP command C-6 upgrades removing cover 5-6 replacing cover 5-15 diskette drive 5-8 EPROMs 5-14 memory chips 5-13 power supply module 5-10 V version, firmware 3-7 W wall mount 2-4 wiring information.
CS2500BookFile : CS2500BookFileIX Page 6 Thursday, December 11, 1997 10:44 AM 6 INDEX
CS2500BookFile : BackMttr.
CS2500BookFile : BackMttr.
