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This manual is printed on paper that comes from sustainable, managed European forests. The production process for making the pulp has a reduced AOX level (adsorbable organic halogen) resulting in elemental chlorine-free paper. It is supplied in PDF format on the CD-ROM that accompanies the Switch. SuperStack 3 Switch Management Quick Reference Guide This guide contains: a list of the software features supported by the Switch. Documentation accompanying 3Com Network Supervisor. This is supplied on the CD-ROM that accompanies the Switch. You can also add the Switch 4200 Family to any SuperStack Summary of Table 3 Hardware Features Switch 4200 Family. Table 3 Hardware features. The two GBIC ports support Category 5 twisted pair cable and fiber Gigabit Ethernet short-wave (SX), long-wave (LX) and long-haul (LH70) GBIC transceivers in any combination. For information on using the LEDs for problem solving, see “Solving Problems Indicated by LEDs”. Green flashing The Switch Alert LED has been configured via the CLI or Web Interface to flash. The Switch Alert LED has been configured via the CLI or Web. Redundant Power To protect against internal power supply failure, you can use this socket. Air-flow is not restricted around the Switch or through the vents in the side of the Switch. 3Com recommends that you provide a minimum of 25mm (1in.) clearance. Air temperature around the Switch does not exceed 40 The air is as free from dust as possible. Switch 4200 Family 1 Plug the power cord into the power socket at the rear of the Switch. 2 Plug the other end of the power cord into your power outlet. If a Unit LED is off, initialization is not complete. 3Com recommends that you do not use the Switch's management interface until the Unit LED is green. See 3Com recommends that you use Category 5 twisted pair cable — the maximum segment length for this type of cable is 100 m (328 ft).http://www.exotichuntingandfishingadventures.com/fury-water-heater-manual.xml
CAUTION: If you want to install the Switch using a Category 5E or Category 6 cable, 3Com recommends that you briefly connect the cable to a grounded port before connecting network equipment. To access the latest list of approved GBIC transceivers for the Switch on the 3Com Corporation World Wide Web site, enter this URL into your internet browser: The URL is case sensitive. See “Solving Hardware Problems” Do not use non-3Com GBICs. If the GBIC transceiver is invalid it will not be recognised by the Switch. Use the following sequence of steps to activate the GBIC ports. Refer to “LEDs”. However, to make full use of the features offered by the Switch, and to change and monitor the way it works, you have to access the management software that resides on the Switch. The whole setup process is summarised in are contained in the sections that follow. This makes management simpler and more reliable as it is not dependent on a DHCP or BootP server, and eliminates the risk of the IP address changing. ANAGEMENT your network uses DHCP or BootP to allocate IP information, or flexibility is needed. You must do this whilst the Switch is offline, that is, before you connect the Switch to a network. You can do this using the Web interface or the command line interface (CLI) via telnet. Using the Web Interface 1 Power-up the Switch. The initial set up of your Switch is now complete and the Switch is ready for you to set up your chosen management method. See Managing a Switch”. The screen displays a summary of the information entered. The initial set up of your Switch is now complete and the Switch is ready for you to set up your chosen management method. See Managing a Switch”. This software allows you to communicate with the Switch via the console port directly, or through a modem.The screen displays a summary of the information entered. See Managing a Switch”.http://gobitours.com/fury-55-manual.xml
If your network does not have a DHCP or BootP server, the workstation running 3Com Network Supervisor must be on the same subnet as the Switch, because Auto-IP addresses are non-routable. Connecting to the. As soon as a network connection is made the Switch begins the automatic IP configuration process. Make a note of the Network IP Address. See Managing a Switch”. ANAGEMENT “Setting Up Command Line Interface Management” 17). Connect over Network via web browser Workstation “Setting Up Web Interface Management” 18. For example, you can use the 3Com Network Supervisor Switch page. If you use 3Com Network Supervisor it automatically loads the correct MIBs and necessary files onto your workstation. The Switch has three default user names, and each user name has a different password and level of access. There is also an explanation of IP addressing.The Power LED does not light Check that the power cable is firmly connected to the Switch and to the supply outlet. To correct this problem, completely remove the GBIC and replace it with a 3Com approved GBIC. See Error message indicating that the GBIC transceiver is faulty To correct this problem, completely remove the GBIC and then reinsert it. For details on these options, refer to the Management Interface Reference Guide supplied in HTML format on the CD-ROM that accompanies your Switch. WARNING: Warnings contain directions that you must follow for your personal safety. Follow all directions carefully. WARNING: If installing the Switch 4200 Series unit in a stack with SuperStack II or SuperStack 3 units that are narrower than the 4200 Series, the Switch 4200 Series unit must be installed below the narrower units. WARNING: RJ-45 Ports. These are shielded RJ-45 data sockets. They cannot be used as standard traditional telephone sockets, or to connect the unit to a traditional PBX or public telephone network. This query-based interactive tool is located at solutions written by 3Com support engineers.http://maequimenli.eklablog.com/acura-mdx-manual-pdf-a203611690
Products sent to 3Com, without authorization numbers clearly marked on the outside of the package, will be returned to the sender unopened, at the sender’s expense. If your. See RPS RPS 17 connecting 25 socket 17 safety information English 60. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. 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, 350 Campus Drive transformation, or adaptation) without written permission from 3Com Technologies. Marlborough, MA 3Com Technologies reserves the right to revise this documentation and to make changes in content from Table 1 Notice Icons Icon Notice Type Description Information note Information that describes important features or instructions Caution Information that alerThese are shielded RJ-45 data sockets. They cannot be used as standard traditional telephone sockets, or to connect the unit to a traditional PBX or public telephone network. Only connect RJ-45 data connectors, network telephony systems, or network telephones to these sockets. Either shielded or unshielded data cables with shielded or unshieldBecause the speed and duplex modes are fixed by the media type, only the flow control is negotiated with the link partner. Alternatively, auto-negotiation can be disabled and the flow control setting can be manually configured. 1000BASE-T GBIC's These ports wiRedundant Power To protect against internal power supply failure, you can use this socket System SocBefore installing or removing any components from the Switch 4200 Family or carrying out any maintenance procedu. This is supplied on the CD-ROM that accompanies the Swit ch. Yellow A 10 or 100 Mbps link is present and the port is enabled. Y ou must use the screws s upplied with the mounting brackets. Ta b l e 6 shows possible colors for the LED.http://prodhicgautai.eklablog.com/acura-mdx-navigation-manual-2010-a203611692
If you want to make a connection to another MDIX port, you need a cross-over cable. At the Enter configuration method prompt enter manual. A summary of the automatically allocated IP information is displayed. Make a note of the Network IP Ad dre ss. These features are enabled on a browser by default. Y ou can only remove power from the unit by disconnecting the power cord from the outlet. 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 written permission from 3Com Technologies. Page 3 DUA1730-0AAA04. Page 4 DUA1730-0AAA04. Page 5 DUA1730-0AAA04. Page 6 DUA1730-0AAA04. Page 8 DUA1730-0AAA04.book Page 8 Thursday, November 17, 2005 2:59 PM 8 ABOUT THIS GUIDE Most user guides and release notes are available in Adobe Acrobat Reader Portable Document Format (PDF) or HTML on the 3Com World Wide Web site: Conventions Table 1 and Table 2 list conventions that are used throughout this guide. This is supplied on the CD-ROM that accompanies the Switch. Page 11 DUA1730-0AAA04.book Page 11 Thursday, November 17, 2005 2:59 PM 1 INTRODUCING THE SUPERSTACK 3 SWITCH 4200 FAMILY This chapter contains introductory information about the Switch 4200 Family and how it can be used in your network. Page 13 DUA1730-0AAA04. Page 14 DUA1730-0AAA04.book Page 14 Thursday, November 17, 2005 2:59 PM 14 CHAPTER 1: INTRODUCING THE SUPERSTACK 3 SWITCH 4200 SERIES WARNING: RJ-45 Ports. Page 15 DUA1730-0AAA04.book Page 15 Thursday, November 17, 2005 2:59 PM About the Switch 4200 Series 15 Fiber GBIC's. The default state for these ports is auto-negotiation enabled, where speed, duplex and flow control modes are negotiated. Because the speed and duplex modes are fixed by the media type, only the flow control is negotiated with the link partner. Alternatively, auto-negotiation can be disabled and the flow control setting can be manually configured.
Yellow A 10 or 100 Mbps link is present and the port is enabled.Page 17 DUA1730-0AAA04.book Page 17 Thursday, November 17, 2005 2:59 PM About the Switch 4200 Series Switch 4200 Family — Rear View Detail 17 Figure 4 Switch 4200 Family — rear view Supply Data Warning Label Console (max) 19200,8,1,N Power Socket Power Socket Redundant Power System Socket Console Port The Switch automatically adjusts its power setting to any supply voltage in the range 90-240 VAC. Page 18 DUA1730-0AAA04. Page 19 DUA1730-0AAA04.book Page 19 Thursday, November 17, 2005 2:59 PM 2 INSTALLING THE SWITCH This chapter contains the information you need to install and set up the Switch 4200 Family. Page 22 DUA1730-0AAA04.book Page 22 Thursday, November 17, 2005 2:59 PM 22 CHAPTER 2: INSTALLING THE SWITCH Figure 5 Fitting a bracket for rack-mounting 3 Insert the two screws and tighten with a suitable screwdriver. You must use the screws supplied with the mounting brackets. Damage caused to the unit by using incorrect screws invalidates your warranty. 4 Repeat steps 2 and 3 for the other side of the Switch. 5 Insert the Switch into the 19-inch rack and secure with suitable screws (not provided). Page 23 DUA1730-0AAA04.book Page 23 Thursday, November 17, 2005 2:59 PM Placing Units On Top of Each Other Placing Units On Top of Each Other 23 If the Switch units are free-standing, up to eight units can be placed one on top of the other. If you are placing Switch units one on top of the other, you must use the self-adhesive rubber pads supplied. Page 24 DUA1730-0AAA04.book Page 24 Thursday, November 17, 2005 2:59 PM 24 CHAPTER 2: INSTALLING THE SWITCH Stack renumbering occurs when another Switch 4200 Family unit is added to the bottom of an established stack except when the stack is already 4 units high. You will then not be able to use that port again until the link is lost on that port. Page 25 DUA1730-0AAA04.
book Page 25 Thursday, November 17, 2005 2:59 PM The Power-up Sequence 25 When the POST has completed, check the Power On Self Test LED to make sure that your Switch is operating correctly. Table 6 shows possible colors for the LED. Yellow The Switch has failed its Power On Self Test. Off The Switch is not receiving power. Page 26 DUA1730-0AAA04.book Page 26 Thursday, November 17, 2005 2:59 PM 26 CHAPTER 2: INSTALLING THE SWITCH If auto-negotiation is disabled, all the Switch ports are configured as MDIX (cross-over). Many ports on workstations and servers are configured as MDI (straight-through). If you want to make a connection to an MDI port, you need to use a standard straight-through cable. See Table 7. Page 27 DUA1730-0AAA04.book Page 27 Thursday, November 17, 2005 2:59 PM GBIC Operation 27 If you wish to connect a 1000BASE-SX MT-RJ port to a fiber port with a different type of connector, for example, SC or ST please contact your network supplier for a suitable patch cable. GBIC Operation The following section describes how to insert a GBIC transceiver into a GBIC port. This section applies to the SuperStack 3 Switch 4228G only. GBIC transceivers are hot-insertable and hot-swappable. Page 29 DUA1730-0AAA04.book Page 29 Thursday, November 17, 2005 2:59 PM GBIC Operation 29 Figure 7 Inserting a GBIC Transceiver erstack 3 Switch 4228G GBIC Ports GBIC Transceiver 3 The transceiver connects to the network using a duplex SC connector. Attach a male duplex SC connector on the network cable into the duplex SC connector on the transceiver. 4 Connect the other end of the cable to a device fitted with an appropriate Gigabit Ethernet connection. Page 30 DUA1730-0AAA04. Page 31 DUA1730-0AAA04.book Page 31 Thursday, November 17, 2005 2:59 PM 3 SETTING UP FOR MANAGEMENT Your Switch can operate in its default state, that is, you can install it and it will work straight away (plug-and-play).
However, to make full use of the features offered by the Switch, and to change and monitor the way it works, you have to access the management software that resides on the Switch. This is known as managing the Switch. Page 32 DUA1730-0AAA04.book Page 32 Thursday, November 17, 2005 2:59 PM CHAPTER 3: SETTING UP FOR MANAGEMENT This section gives an overview of what you need to do to get your Switch set up and ready for management when it is in its default state. The whole setup process is summarised in Figure 8. Detailed procedural steps are contained in the sections that follow. Page 33 DUA1730-0AAA04.book Page 33 Thursday, November 17, 2005 2:59 PM Setting Up Overview IP Configuration 33 You can use one of the following methods to allocate IP information to your Switch (essential if you wish to manage your Switch across the network). Manual IP Configuration You can choose to configure the IP information yourself. The Switch remembers the information that you enter until you change it again or set the configuration method to Automatic. Page 34 DUA1730-0AAA04.book Page 34 Thursday, November 17, 2005 2:59 PM 34 CHAPTER 3: SETTING UP FOR MANAGEMENT However, as soon as a DHCP or BootP server is detected, the Switch will configure itself with the IP address allocated by that server. When using automatic IP configuration it is important that the IP address of the Switch is static, otherwise you will not know what the IP address is and it will be difficult to manage. You can then manually enter IP information using the web interface or the command line interface (CLI). Page 36 DUA1730-0AAA04.book Page 36 Thursday, November 17, 2005 2:59 PM 36 CHAPTER 3: SETTING UP FOR MANAGEMENT Connecting the Workstation to the Switch 1 Connect the workstation to a front panel port using an Ethernet cable as shown in Figure 9.
Figure 9 Connecting a workstation to the Switch via a front panel port To connect the cable: a Attach an RJ-45 connector at one end of the Ethernet cable to the Network Interface Card (NIC) in the workstation. Page 37 DUA1730-0AAA04.book Page 37 Thursday, November 17, 2005 2:59 PM Manually Configuring IP Information 37 If there is no response, wait for one minute then re-enter the default IP address. 3 At the login and password prompts, enter admin as your user name and press Return at the password prompt (default user name and password). If you have logged on correctly, a set of Getting Started pages are displayed. 4 The Getting Started pages allow you to enter basic setup information for the Switch. Page 38 DUA1730-0AAA04.book Page 38 Thursday, November 17, 2005 2:59 PM 38 CHAPTER 3: SETTING UP FOR MANAGEMENT top-level menu of the command line interface is displayed as shown in the example in Figure 10. Page 40 DUA1730-0AAA04.book Page 40 Thursday, November 17, 2005 2:59 PM 40 CHAPTER 3: SETTING UP FOR MANAGEMENT 2 Open your terminal emulation software and configure the COM port settings to which you have connected the cable. Page 41 DUA1730-0AAA04. Page 42 DUA1730-0AAA04.book Page 42 Thursday, November 17, 2005 2:59 PM 42 CHAPTER 3: SETTING UP FOR MANAGEMENT Viewing Automatically Configured IP Information Using 3Com Network Supervisor If you allow the Switch to automatically configure its own IP information you need to discover and view the IP information before you can begin to manage the Switch. Page 44 DUA1730-0AAA04.book Page 44 Thursday, November 17, 2005 2:59 PM 44 CHAPTER 3: SETTING UP FOR MANAGEMENT Viewing IP Information via the Console Port You are now ready to view the automatically allocated IP information using the command line interface. 1 Connect your Switch to the network using an Ethernet cable. As soon as a network connection is made the Switch begins the automatic IP configuration process.
The automatic IP configuration process usually completes within one minute. Page 45 DUA1730-0AAA04.book Page 45 Thursday, November 17, 2005 2:59 PM Methods of Managing a Switch 45 prompt enter all. Make a note of the Network IP Address. See “Methods of Managing a Switch” on page 45. Page 46 DUA1730-0AAA04.book Page 46 Thursday, November 17, 2005 2:59 PM 46 CHAPTER 3: SETTING UP FOR MANAGEMENT Figure 15 CLI management via the console port Figure 16 CLI management over the network Refer to “Setting Up Command Line Interface Management” on page 47. Web Interface Management Each Switch has an internal set of web pages that allow you to manage the Switch using a Web browser remotely over an IP network (see Figure 17). Page 47 DUA1730-0AAA04.book Page 47 Thursday, November 17, 2005 2:59 PM Setting Up Command Line Interface Management 47 Figure 18 SNMP management over the network Connect over Network using SNMP Switch SNMP Network Management Workstation Refer to “Setting Up SNMP Management” on page 49. Setting Up Command Line Interface Management CLI Management via the Console Port This section describes how you can set up command line interface management using a local console port connection or over the network. You will only need to enable them if you have changed your browser settings. To manage your Switch using an SNMP network management application, you need to specify SNMP community strings for the users defined on the Switch. For more information about default users and passwords, refer to the “Superstack 3 Switch Management Interface Reference Guide” on the Switch CD-ROM. Page 52 DUA1730-0AAA04. Page 53 DUA1730-0AAA04.book Page 53 Thursday, November 17, 2005 2:59 PM 4 PROBLEM SOLVING This chapter helps you to diagnose and solve problems you may have with the operation of your Switch. There is also an explanation of IP addressing. Page 54 DUA1730-0AAA04.
book Page 54 Thursday, November 17, 2005 2:59 PM 54 CHAPTER 4: PROBLEM SOLVING Solving Problems Indicated by LEDs If the LEDs on the Switch indicate a problem, refer to the list of suggested solutions below. The Power LED does not light Check that the power cable is firmly connected to the Switch and to the supply outlet. If the connection is secure and there is still no power, you may have a faulty power cord or an internal fault. Page 55 DUA1730-0AAA04.book Page 55 Thursday, November 17, 2005 2:59 PM Solving Hardware Problems Solving Hardware Problems 55 SNMP fan fail trap hardware failure In the rare event of your Switch unit experiencing an SNMP fan fail trap hardware failure, refer to the suggested solution below. 1 Power off the unit. 2 Check that the air vents are not obstructed. 3 Power cycle the unit. To do this, remove and reconnect all power supplies. 4 If a further fan fail trap is received, return the unit. For details on these options, refer to the Management Interface Reference Guide supplied in HTML format on the CD-ROM that accompanies your Switch. Page 58 DUA1730-0AAA04. Page 59 DUA1730-0AAA04.book Page 59 Thursday, November 17, 2005 2:59 PM A SAFETY INFORMATION You must read the following safety information before carrying out any installation or removal of components, or any maintenance procedures on the Switch 4200 Series. WARNING: Warnings contain directions that you must follow for your personal safety. Follow all directions carefully. You must read the following safety information carefully before you install or remove the unit. Page 60 DUA1730-0AAA04.book Page 60 Thursday, November 17, 2005 2:59 PM 60 APPENDIX A: SAFETY INFORMATION Important Safety Information WARNING: Installation and removal of the unit must be carried out by qualified personnel only.
WARNING: If installing the Switch 4200 Series unit in a stack with SuperStack II or SuperStack 3 units that are narrower than the 4200 Series, the Switch 4200 Series unit must be installed below the narrower units. WARNING: The unit must be earthed (grounded). Page 61 DUA1730-0AAA04.book Page 61 Thursday, November 17, 2005 2:59 PM Important Safety Information 61 WARNING: The socket outlet must be near to the unit and easily accessible. You can only remove power from the unit by disconnecting the power cord from the outlet. WARNING: This unit operates under SELV (Safety Extra Low Voltage) conditions according to IEC 950. The conditions are only maintained if the equipment to which it is connected also operates under SELV conditions. Page 62 DUA1730-0AAA04.book Page 62 Thursday, November 17, 2005 2:59 PM 62 APPENDIX A: SAFETY INFORMATION WARNING: Fiber Optic ports - Optical Safety Never look at the transmit laser while it is powered-up. Never look directly at the fiber ports and fiber cable ends when they are powered-up. WARNING: Use of controls or adjustments of performance or procedures other than those specified herein may result in hazardous laser emissions. Page 63 DUA1730-0AAA04. Page 64 DUA1730-0AAA04.book Page 64 Thursday, November 17, 2005 2:59 PM 64 APPENDIX A: SAFETY INFORMATION connexion portant l'appellation Neutre et avec raccordement direct a la terre (masse). AVERTISSEMENT: Points d’acces RJ-45. Ceux-ci sont proteges par des prises de donnees. Ils ne peuvent pas etre utilises comme prises de telephone conventionnelles standard, ni pour la connection de l’unite a un reseau telephonique central prive ou public. Page 65 DUA1730-0AAA04.book Page 65 Thursday, November 17, 2005 2:59 PM Wichtige Sicherheitsinformationen 65 VORSICHT: Das Gerat mu.VORSICHT: Der Anschlu?kabelsatz mu? mit den Bestimmungen des Landes ubereinstimmen, in dem er verwendet werden soll. VORSICHT: Der Geratestecker (der Anschlu.
Niemals direkt auf die Faseransnchlusse und auf die Faserkabelenden schauen, wahrend diese eingeschaltet sind. Page 67 DUA1730-0AAA04. Page 68 DUA1730-0AAA04.book Page 68 Thursday, November 17, 2005 2:59 PM 68 APPENDIX B: PIN-OUTS Modem Cable 9-pin to RS-232 25-pin Switch 4200 Cable connector: 9-pin female RJ-45 Pin Assignments Screen TxD RxD RTS CTS DSR Shell 3 2 7 8 6 Ground DCD DTR 5 1 4 RS-232 Modem Port Cable connector: 25-pin male 1 2 3 4 5 6 7 8 20 Screen TxD RxD RTS CTS DSR Ground DCD DTR Pin assignments for ports configured as MDI and MDIX are given in Table 10 and Table 11. Page 69 DUA1730-0AAA04. Page 70 DUA1730-0AAA04. Warranty and other service benefits are enabled through product registration. Register your product at Page 76 DUA1730-0AAA04.book Page 76 Thursday, November 17, 2005 2:59 PM 76 APPENDIX D: OBTAINING SUPPORT FOR YOUR PRODUCT Troubleshoot Online You will find support tools posted on the 3Com web site at 3Com Knowledgebase helps you troubleshoot 3Com products. This query-based interactive tool is located at and contains thousands of technical solutions written by 3Com support engineers. Page 77 DUA1730-0AAA04.book Page 77 Thursday, November 17, 2005 2:59 PM Contact Us 77 To send a product directly to 3Com for repair, you must first obtain a return authorization number (RMA). Products sent to 3Com, without authorization numbers clearly marked on the outside of the package, will be returned to the sender unopened, at the sender’s expense. If your product is registered and under warranty, you can obtain an RMA number online at Page 78 DUA1730-0AAA04.
book Page 78 Thursday, November 17, 2005 2:59 PM 78 APPENDIX D: OBTAINING SUPPORT FOR YOUR PRODUCT Country Telephone Number Country Telephone Number Austria Belgium Denmark Finland France Germany Hungary Ireland Israel Italy 0800 297 468 0800 71429 800 17309 0800 113153 0800 917959 0800 182 1502 06800 12813 1 800 553 117 1800 945 3794 800 879489 Luxembourg Netherlands Norway Poland Portugal South Africa Spain Sweden Switzerland U.K. Page 79 DUA1730-0AAA04. Page 80 DUA1730-0AAA04. Page 81 DUA1730-0AAA04. Page 83 DUA1730-0AAA04.book Page 83 Thursday, November 17, 2005 2:59 PM REGULATORY NOTICES FCC STATEMENT 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. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. Page 84 DUA1730-0AAA04. All other company and product names may be trademarks of their respective companies. While every effort is made to ensure the information given is accurate, 3Com does not accept liability for any errors or mistakes which may arise. SPECIFICATIONS, CONTINUED Prev. KEY BENEFITS DELIVERS AFFORDABLE ENTERPRISE-CLASS FEATURES 3Com delivers superior business value by offering enterprise-class solutions without the complexity. These stackable switches provide wirespeed performance, QoS, VLANs, security and resiliency features. EASY SETUP MINIMIZES INSTALLATION EXPENSE With a fixed configuration format, the Switch 4200 is fully plug-and- play—designed to operate out-of-the-box with the minimum amount of user configuration. Auto-negotiation and auto-MDIX detection make it simple to install while automatic IP allows the switch to configure its own IP settings by negotiating with industry-standard DHCP or BOOTP servers. PROVIDES SECURITY AND RESILIENCY The Switch 4200 provides IEEE 802.
1X Network Login and RADIUS Authenticated Device Access (RADA) security, and resiliency features such as Rapid Spanning Tree Protocol and IEEE 802.3ad Link Aggregation (LACP) for Gigabit ports. ENHANCES MANAGEMENT AND CONTROL The Switch 4200 family is easy to use and manage, designed to increase business productivity by reliably supporting business applications. Stack together up to four devices for easy administration, with single IP management. 3Com network management software offers comprehensive support, including 3Com Network Director for an enterprise standalone solution or 3Com Network Supervisor for smaller networks. SUPPORTED BY LIMITED LIFETIME HARDWARE WARRANTY 3Com gives a Limited Lifetime Hardware Warranty on the Switch 4200 Family. Also provided is Advanced Hardware Replacement, with next business day shipment available in most regions, and telephone support and limited lifetime software updates. Go Search EN. View online or download 3com 4226T - SuperStack 3 Switch Getting Started Manual SuperStack 3 4200 Family. SUPERSTACK 4226T Switch pdf manual download. Also for: Superstack 4228g, Superstack 4250t, 3c17304a, Superstack 3 4226t, Superstack 3 4250t, Superstack 3 4228g, Superstack 3 3c17300. Product Information. The 3Com SuperStack 3 Switch 3848 is ideal for Gigabit to the desktop applications in high performance workgroups. You may have to register before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the selection below. Page Count: 84 If there is any software on r emovable media described in this documentation, it is furnished under a license agreement included with the product as a sep arate document, in the hard copy doc umentation, or on the removable media in a dir ectory file named LICENSE.TXT or !LICENSE.TXT. If you are unable to locate a copy, please contact 3Com and a copy will be pr ovided to you.