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  • 1. Choosing a secure, easy-to-operate network switch that is best for your business Small and Medium Business Switching Guide
  • 2. Small and Medium Business Switching Solutions from 3Com The Truth about Networking Network technology, and in particular, the network switch, are essential to running an efficient, competitive, cost-effective business. They let your business instantly CONNECT employees, customers, suppliers and other partners to current information. They allow your organization to COLLABORATE using a range of media —voice, data, and video—to share knowledge and coordinate projects, leading to greater productivity and customer satisfaction. They help your business be more efficient, have workforce flexibility, perform professionally 24/7 and GROW. Table of Contents Small and medium-sized businesses (SMBs) like yours tend to require a 2 The Truth about Networking unique set of information technology (IT) requirements. Their networks 3 Why Do You Need a Network need to be: Switch? • Easy to set up and use, whether wired or wireless 4 How to Select A Switch: • Secured against external and internal vulnerabilities 7 Decision Factors • Affordable without reducing quality 14 3Com® Unmanaged Switches • Simple to integrate into your business 15 3Com OfficeConnect® Unmanaged Switches • High performance, whether with data, voice, or video applications 16 3Com Baseline Unmanaged • Reliable and backed by strong warranties and service Switches • Flexible and based on open standards, so you optimize the invest- 17 3Com OfficeConnect Managed Switches ment of existing equipment 18 3Com Baseline Plus Managed 3Com® networking products, including a broad range of network switches, Switches ease business change and growth by meeting all these requirements. They 19 3Com Wireless and Wired Unified Switches also offer a: 20 3Com IntelliJack® Switches • Subset of large-enterprise features at small-business prices • 3Com Secure Converged Network architecture that lets an SMB 21 3Com Switch 42xx Families combine, protect and manage all its wireless, wired, voice, video 22 Feature Charts: Unmanaged Switches in Desktop, In-the-Wall and data traffic on a single network and Rack-Mount Formats 23 Feature Chart: Managed Switches Use this switching guide to help you make educated decisions on which in Desktop and Rack-Mount products best fit your business. Read how 3Com switches meet business Formats needs today—right away—and how innovative 3Com technology and open 24 Feature Chart: Managed Switches with In-the-Wall and Stackable services also prepare you for the changes of tomorrow. Formats 24 3Com Contact Information With 3Com, IT just works. 2
  • 3. Small and Medium Business Switching Solutions from 3Com Why Do You Need a Network Switch? A fundamental component of any business network, a switch allows users to communicate and share information with each other over a local area network (LAN). LANs connect the people and devices in a local geography such as an office, department or building. LANs today are based on Ethernet (referred to as IEEE 802.3), a widely adopted standard for wiring, signalling and addressing. Every device on the LAN has a unique address, just like your business does. An Ethernet LAN readily connects a variety of products, including wireless fidelity (Wi-Fi) devices and Voice over Internet Protocol (VoIP) devices such as IP phones. These connections involve a variety of speeds, signals and/or cables, and are made possible by a network switch. The switch uses its physical connection points (ports) and software intel- ligence to transmit information as “data packets” between client devices, including PCs, printers, IP cameras, IP phones and LAN devices such as servers, wireless access points, other switches and routers. Data packets actually carry digital voice, video or data. The switch inspects the packets as it receives them. It determines the source and destination of each packet, sets up the best network path to get it to its port or destination, and forwards it appropriately. Speed and coordination are essential, otherwise the packets collide or get dropped. Some switches can be configured and managed so that certain traffic is segmented—transmitted only through specific ports for performance or security reasons. Packets from a payroll application, for instance, should be segmented to pass only through ports that connect the authorized users in Finance or Human Resources. And because packets from voice applications are latency-sensitive (delays cause the data to decompose; voice “breaks up”), they should be partitioned and prioritized over other applications. The switch receives and sends packet traffic outside the LAN through a router or gateway. This edge device connects the LAN to external wide area networks (WANs) such as the Internet, using a broadband service (such as public DSL or cable, or private T1 or E1). Now that you know “why” a switch, how can you decide what is the best one for your business? 3
  • 4. Small and Medium Business Switching Solutions from 3Com How to Select a Switch: 1 7 Decision Factors NUMBER OF PORTS This is a function of the number of devices to be connected. Here is an easy way to identify how many switch ports you need: • Count the number of user devices to be physically connected (by cables) on your LAN. Include PCs, laptops, printers, scanners, fax machines, IP video surveillance cameras and IP phones, etc. Remember to include those in conference rooms, reception areas, stock rooms or warehouses. Do not count wireless user devices; they connect to your LAN through a wireless access point, a net- work device that is included in the next bullet. • Count the number of network devices to be physically connected on your LAN. Include routers, servers, wireless access points (each of which typically supports 20 or more wireless users), IP-PBXs and security devices such as firewalls, etc. • Add ports to accommodate the growth that you anticipate in user and network devices within a few years. The sum of these numbers is the minimum number of switch ports you need; a rubric often used by technical experts is that the number of ports should be about 15% greater, to accommodate unforeseen needs. 3Com switches range from just a few ports to dozens of ports. Switches can often be connected to each another to multiply the number of available ports, and some higher-end switches can be “stacked” (combined to operate as a single entity, as if all their ports are in one very large switch). DID YOU KNOW? 3Com customers span the globe and range of businesses—from retail, professional services, hospitality and media, to transportation, government, education and healthcare. 3Com has been a technology innovator since the creation of Ethernet, the widely adopted networking standard. We have more than 1800 issued patents and more than 300 pending U.S. and foreign patents. 4
  • 5. Small and Medium Business Switching Solutions from 3Com 2 NETWORK SPEED Speed is sometimes referred to as “bandwidth”, which is the amount of digital data that can pass through a network connection in one second. Speed is measured in megabits (millions of bits) per second (Mbps). WHAT IS YOUR NEED FOR SPEED? Although the LAN connection capability in newer computers transfers data packets at close to 1000 Mbps (one Gigabit per second), many business LANs still transfer packet traffic at 10 Mbps or 100 Mbps. A “10/100” LAN (which uses the 10BASE-T and 100BASE-TX Ethernet standards) supports both 10 Mbps and 100 Mbps (“Fast Ethernet” or “FE”) speeds; the switch port matches the speed of the device connected to it. 10/100 LANs most often use twisted-pair (copper) cable, which allows the physical connection (between a switch and device) to be up to 100 meters long. Some 10/100 LANs also use fiber-optic cable, which allows connection lengths up to 2 kilometers. Although 10 Mbps technology is over 25 years old, and 100 Mbps is over 10 years old, 10/100 LANs are fine for most data applications and many web and graphics applications. Most computers have a built-in Ethernet interface, a network interface card (NIC), for network connections. The NIC provides a unique media access control (MAC) address that enables the computer to send and receive data packets. In computers made prior to 2006, this interface typically supports data transfers at 10 Mbps or 100 Mbps. A Gigabit Ethernet LAN switch (which uses 1000BASE-T and/or 1000BASE-X standards) actually supports all three speeds—10/100/1000 Mbps—making it an ideal solution for computers of various ages. A business with a Gigabit LAN can use twisted-pair cable, which allows physical connections up to 100 meters long, or fiber-optic cable (1000BASE-X), which allows higher quality data signals, greater speed and longer connection lengths. A switch that is equipped with a small form-factor plugable (SFP) optical transceiver can connect to either twisted-pair or fiber-optic cabling; this lets the SMB select the appropriate cabling for each link. Gigabit connectivity is important for applications that use video, voice or complex digital images (including Web 2.0 applications). LAN ports that can deliver Gigabit speed are also best for connecting wireless devices that use the new high-performance IEEE 802.11n standard, because its data rate exceeds 100 Mbps. 5
  • 6. Small and Medium Business Switching Solutions from 3Com The 3Com SMB switching portfolio offers extensive Gigabit and 10/100 port options. 3Com also offers enterprise-class switches with 10 Gigabit ports for larger networks and especially demanding applications such as video broadcasting, digital imaging, real-time financial transactions, large database access and data backup. 3 SWITCH MANAGEMENT This option determines the level of control you can have over your net- work, including the degree of security that your business wants for its networked data and communications. Managed switches offer more control; they also usually require more technical expertise. A network can be a mixture of managed and unmanaged switches. Unmanaged switches are preconfigured entirely by the manufacturer based on industry-standard best practices for security and performance. This makes setup quick and easy, and reduces the price. You cannot use an unmanaged switch to segment one group from another or give priority to certain users; however, many 3Com unmanaged switches have a feature—support of the IEEE 802.1p standard—that can prioritize voice or video traffic higher than data traffic. Unmanaged switches are appropriate for many businesses. They satisfy most small business needs and can be quickly set up. Managed switches provide control capabilities that can increase LAN security and performance, and let you seg- ment traffic. For example, you could allow only certain employees to have access to your financial applications. You could also give some applications more bandwidth, or ensure that video and voice communications take priority over data. Managed switches are typically required—for performance or security reasons—for business-critical applications such as Customer Relationship Management (CRM), Sales Force Automation (SFA), video surveillance, digital medical images and regulatory compliance, as well as for real-time applications such as audio/video streaming, distance learning, sales demos and VoIP Many businesses that have multiple switches prefer the managed . versions because they can configure them for consistency. DID YOU KNOW? 3Com holds multiple patents for delivery of Power over Ethernet (PoE), the now-standard technology that makes it so much easier to connect devices such as wireless access points, IP phones and cameras. 6
  • 7. Small and Medium Business Switching Solutions from 3Com Some managed switches are “plug and play”, meaning that they work out of the box using the manufacturer’s configuration, without any need for technical expertise. You, your value-added reseller (VAR) or IT consultant can implement more of the switch’s management capabilities later, as needed. Managing a switch beyond its plug-and-play settings requires some technical expertise, which can be obtained through the user guide, training, or a VAR. You have several options in user-interface formats for switch management. Most SMBs prefer management that is “centralized” (vs. local) because it eliminates the need to physically travel to a switch to adjust, monitor or restart (reboot) it. IT staff can manage the switch remotely, using a number of user interfaces. Centralized management is available in these formats: • Smart web-managed. This simplified format requires little or no expertise. It provides a select set of management features (such as con- figuration of port speed and traffic prioritization) for a price much lower than a fully managed switch. 3Com smart web-managed switches are plug and play; they also can be easily configured and operated without any need for a lot of technical expertise, using the built-in online help for each of the features. Web-managed switches are configured through a browser instead of a desktop utility; managing over the web can be secured by using HTTPS. • Command-line interface (CLI) management. This type of management is convenient for quick set up and configuration, and provides more control than the web-managed format. It also requires more technical expertise. • SNMP management. The Simple Network Management Protocol format offers the highest degree of control and the most comprehensive man- agement, including automatic monitoring, reporting and correlation. It requires the most technical expertise. It is the basis of most network management applications software. 3Com Network Supervisor and 3Com Network Director applications use SNMP to manage 3Com devices. Web-based graphical user interface (GUI) for the 3Com Baseline 2900 Plus switch. 7
  • 8. Small and Medium Business Switching Solutions from 3Com SECURITY AND MANAGED SWITCHES Managed switches are required whenever network • Securing the LAN by controlling port access with security is essential. Why? Because LAN security technologies such as MAC filtering (which checks occurs primarily at the switch. a device’s Ethernet hardware address), 802.1X login (which ensures users are authorized before You can use a switch’s management interface to granting access to any network resource) and implement three major types of security control: access control lists (ACLs, which filter by MAC • Define the users who can access your LAN and IP addresses) and/or the settings of the switch itself • Controlling access to network resources by • Define the devices (such as the PCs, laptops, requiring user login through a RADIUS server, IP phones, wireless access points, etc.) that and/or by using RADIUS Authenticated Device can access your LAN Access (RADA). The 3Com RADA feature enforces • Control addresses trying to access your LAN MAC-based login and policies to provide agent- less access control that automatically permits • Enable tracking LAN access and logging or denies network access changes to satisfy audit requirements • Creating an IEEE 802.1Q virtual LAN (VLAN) The security features in a managed switch may for security purposes (see “Do You Need include any or all of these technical capabilities: Management?”) • Protecting sensitive data (such as payment • Using Auto Virtual LANs (VLANs) to automati- transactions) that a switch port sends over the cally place certain users into a specific VLAN, web from eavesdropping and man-in-the-middle controlling their access to data attacks, by using HTTPS DID YOU KNOW? 3Com technology solutions have been industry-pacesetters for more than a decade. 3Com products were part of the first networked laboratory system on the space shuttle in 1997, supporting data-intensive, zero-G experiments. 8
  • 9. Small and Medium Business Switching Solutions from 3Com DO YOU NEED MANAGEMENT? If you want any of the following technical capabilities, your business does need a managed switch: • Turning a port on or off, or enabling and disabling a port’s full duplex mode (simultaneous two-way data transfer for greater speed) to control port security or performance • Securing access to your LAN, switch, and/or transmissions over the web • Prioritizing applications traffic, for example, by using Differentiated Services (DiffServ and DSCP) or IEEE 802.1p to provide Quality of Service (QoS) for voice or video packets • Creating a IEEE 802.1Q VLAN to place users who are on different LAN segments or in different locations on the same LAN, and/or to increase security and performance • Using Auto VLANs to automatically place authenticated users into a specific VLAN, controlling their access to data and/or the perform- ance of their application transmissions. (Some 3Com switches include auto-voice VLANs; see Decision Factor 5, Voice-Ready) • Increasing bandwidth and network availability by using IGMP snooping, the Spanning Tree Protocol, Rapid Spanning Tree Protocol (RSTP) or Multiple Spanning Tree protocol (MSTP); or Link aggregation (either manually or automatically with LACP) • Using SNMP to monitor device connections and performance for the purpose of tracking and reporting, diagnostics or regulatory compliance A BRIEF TUTORIAL ON LAYER 2/3/4 SWITCHING, OR L2/L3/L4 Switching and switch management occur at several layers of the OSI Model (Open Systems Interconnection Reference Model) and TCP/IP Model (Transmission Control Protocol/Internet Protocol Model). Both models are abstract network architecture standards for computer and communi- cations protocols. The OSI model defines seven major functions, or layers, needed for net- work communications. Identifying a switch by its OSI layer helps explain the functions that the switch is capable of performing. 9
  • 10. Small and Medium Business Switching Solutions from 3Com Layer 2 switches keep it simple: they look only at MAC addresses when deciding where to forward packets. Layer 2 switches tend to be the least expensive and good for local workgroup switching. However, they cannot forward traffic across VLANs or to external networks such as the Internet; they have to send this traffic through a router or Layer 3 switch. Layer 3 switches also look at IP addresses. Forwarding based on Layer 3 is called routing (Layer 3 switches are also known as switch/routers). They are good when traffic must be forwarded across VLANs. Layer 3 switches can increase LAN performance by offloading some of a router’s tasks. Layer 4 switches also look at applications when deciding where to forward packets. They are good for prioritizing applications traffic such as VoIP, video streaming, Lotus Notes or Microsoft Outlook packets. DID YOU KNOW? 3Com voice-ready networks let you easily and cost-effectively converge your voice and data networks. Having a single communications network provides state-of-the-art voice services that increase productivity. It also reduces long-distance telephone expenses and, of course, eliminates the need to install and maintain two separate networks. 10
  • 11. Small and Medium Business Switching Solutions from 3Com 4 POWER OVER ETHERNET With this option, a switch port provides electrical power through the Ethernet cable to the attached device. Industry- standard (IEEE 802.3af) PoE ports eliminate the need to install (“run”) and operate separate electrical and network wiring: the inline power from a PoE switch port allows a PoE-compatible device to be placed anywhere there is a twisted-pair Ethernet cable (CAT5 or better). PoE switch ports are especially useful for connecting devices such as wireless access points, IP security cameras and IP phones. PoE technology provides three major benefits: • Flexibility. PoE increases the placement options for devices. For example, you can place a wireless access point up high on a wall or on the ceiling to get optimum RF coverage. All you need is one Ethernet cable, there’s no need for another power source. • Cost savings and time savings. You save the labor and materials costs—and delay—that otherwise would be incurred to have an electrician run more electrical wiring and install outlets. The lower voltage of PoE means that the twisted-pair Ethernet cabling can safely be installed in many locations by anyone. For example, you could quickly place and connect a video surveillance camera yourself. • Non-Stop business. Devices (such as wireless access points, IP phones and IP cameras) that are connected to the switch’s PoE ports can continue operating after a power failure if you have provided your PoE switch with redundant power circuits connected to an unin- terruptible power supply. Different devices draw different amounts of power. IEEE 802.3af PoE switches offer a range of internal power supplies and number of PoE ports that let them support a variety of device power requirements and peak usage loads, up to 15.4 watts per port. 5 VOICE-READY SWITCHING By choosing a voice-ready switch, your business can run voice traffic over your LAN, and replace a traditional PBX or other telecommunications service, now or in the future. With an IP telephony system and IP phones (wired or wireless phones that act like specialized computers), you can combine or “converge” your data and voice services into one secure digital network that interoperates 11
  • 12. Small and Medium Business Switching Solutions from 3Com with the public telephone system (PSTN) or a contracted VoIP service. The benefits of doing this are cost savings, greater user and IT staff productivity, and improvements in customer service and sales. For example, convergence can reduce toll call charges and conferencing service charges, unify voicemail and email messaging, and allow a phone to be moved to another location or port and retain the same extension, owner recognition and settings. A business can also take advantage of commu- nications applications such interactive voice response (IVR) and auto- dialing customers or employees from a database. Because voice traffic is delay-sensitive (“low latency”), the network switch must have technology features that make it voice-ready. All 3Com switches that are voice-ready include: • IEEE 802.1p QoS, which expedites and filters traffic. This standard allows the switch to reorder packets based on their priority value so that voice calls get adequate bandwidth to ensure voice clarity. Some 3Com voice-ready switches also include these voice support features: • DiffServ, DSCP and IEEE 802.1Q VLANs, which help to process voice and video traffic • Auto-voice VLAN, which automatically detects and connects any standards-based IP phones and assigns VoIP traffic to a voice- dedicated VLAN with appropriate QoS. This advanced feature optimizes delay-sensitive traffic. 6 Your choice of switch format depends on the layout of your work environ- FORM FACTOR ment, your desire for quiet operation or physical security, and the number of switch ports you require. (Note: the following are the design differen- tiators, but both formats may be placed on a desk or in a rack.) Desktop switches are designed to sit atop a desk or table. They are often the choice for conference rooms and smaller offices. They are generally smaller and quieter with a lower port count and cost than other switches. DID YOU KNOW? Best-in-class resellers—such as systems integrators and VARs—and IT consultants partner with 3Com to provide SMBs with integrated solutions that are easy to buy and install, easy to use and highly reliable. Participants in the award- winning 3Com Focus Partner Program daily provide technical expertise and personalized customer attention. 12
  • 13. Small and Medium Business Switching Solutions from 3Com Rack-mount switches are designed to be placed in a rack that is located in a wiring closet or other enclosed, physi- cally secured room that typically houses other network devices, such as servers and telephony equipment. Rack-mount switches are often the choice of small and midsize businesses, as well as larger enterprises. Rack-mount switches often have fans, mounting brackets and a higher port count. 7 REQUIREMENTS OF It may be last in the list, but this decision factor is certainly the most YOUR BUSINESS important when choosing a switch or other network equipment. You are the one who knows which of these product requirements are priorities for your business: • Easy to set up and use, whether wired or wireless • Secured against external and internal vulnerabilities • Affordable without reducing quality • Simple to integrate into your business • High performance, whether with data, voice or video applications • Reliable and backed by strong warranties and service • Flexible and based on open standards, so you can take advantage of valuable new business technologies ON THE FOLLOWING PAGES, FIND THE NETWORK SWITCHES THAT BEST FIT YOUR NEEDS ›› 13
  • 14. Small and Medium Business Switching Solutions from 3Com UNMANAGED SWITCHES DESIGNED FOR conference 3Com Unmanaged Switches rooms, branch offices and work- 3Com Switch 5 groups that require a quiet and 3Com Switch 8 professional-looking device, very fast deployment and peace-of- mind reliability. 3Com Gigabit Switch 5 Set up your LAN in minutes 3Com Gigabit Switch 8 Connect PCs, servers, print- ers, routers Begin with the basics. Silent, fast and reliable. Support workgroups with 2 to 8 devices in conference These streamlined switches automatically configure themselves and match the speeds of your network cabling. Just plug one in, and forget it. rooms, small offices and branch offices › Installation in 5 minutes or less. Simply plug in the internal power supply, and then plug your Ethernet cables into the switch ports—the Locate where a compact, switch automatically adjusts its ports to the cable’s connection speed. noiseless desktop design is needed › No configuration needed. The switch automatically supports multiple PC operating systems. No need for an IT expert or any specialized training. Plug-and-play management; no management expertise › Silent operation and high reliability. Enjoy the peace mind that comes from using these switches. required IEEE 802.1p offers Voice Readiness for the Gigabit versions 14
  • 15. Small and Medium Business Switching Solutions from 3Com UNMANAGED SWITCHES DESIGNED FOR branch offices, 3Com OfficeConnect® small businesses or workgroups requiring superior performance: Unmanaged Switches non-blocking and full wirespeed OfficeConnect Gigabit Switch 5 connectivity, very fast deployment, peace-of-mind reliability and OfficeConnect Gigabit Switch 8 room to grow. OfficeConnect Gigabit Switch 16 Connect PCs, servers, print- ers, routers Support workgroups with 2 OfficeConnect Dual Speed* Switch 5 to 16 users and/or devices in OfficeConnect Dual Speed Switch 8 small office settings OfficeConnect Dual Speed Switch 16 Locate where a compact, desktop design is needed No management (or manage- Keep it simple. ment expertise) required These switches are speedy, sure and simple to use. They automatically 16-port voice-ready (IEEE increase applications performance, adjust their ports to match the speeds 802.1p) models ensure that in your cabling, and configure themselves. Enjoy simplicity and value, at real-time programs such some of the market’s best prices per port. as video and audio get the › Installation in 5 minutes or less. Do zero configuration with automatic network traffic priority they integration of multiple PC operating systems. need › Proven reliability. With over 50 million OfficeConnect ports in business- es worldwide, you can be assured of worry-free product performance. › Compact design. The form factor of this switch allows it to fit well in most office environments. * Dual Speed refers to the ability to support both Ethernet and Fast Ethernet (10/100) connectivity. 15
  • 16. Small and Medium Business Switching Solutions from 3Com UNMANAGED SWITCHES DESIGNED FOR growing small 3Com Baseline and medium-sized businesses that require a simple-to-deploy Unmanaged Switches and highly reliable switch with Baseline Switch 2816 built-in advanced capabilities. Baseline Switch 2824 Connect PCs, servers, printers, routers and other switches Baseline Switch 2126-G Support workgroups with 16 to 24 devices in small to medium size office settings Baseline Switch 2016 Locate where a rack-mounted Baseline Switch 2024 installation is preferred (mount- ing kit included) Enjoy standards-based, Layer 2 Build connections quickly and directly. switching without management These easy-to-setup switches offer great price performance for serious requirements; best practices businesses that also want simplicity and basic connectivity. Set one up in incorporated into the switch record time: the switches configure themselves, are compatible with multi- ple PC operating systems, and automatically increase applications perform- ance, adjusting to the fastest available device connection speed. › Deliver critical business applications with confidence. Support large data files, graphics and web browsing with non-blocking, full wire speed connectivity . › Do zero configuration. Simply remove your new switch from its packag- ing, connect the power and Ethernet cables, and immediately enjoy your devices’ high-speed connections. 16
  • 17. Small and Medium Business Switching Solutions from 3Com MANAGED SWITCHES DESIGNED FOR small and 3Com OfficeConnect® medium-sized offices and branch offices that require a versatile, Managed Switches cost-effective switch with PoE on OfficeConnect Managed Gigabit PoE Switch all ports simultaneously (total power budget of 62 W) and autosensing gigabit connectivity. Make it smart, easy and secure. These intelligent, fanless switches provide worry-free product reliability, Connect with PoE flexibility robust built-in security, Power over Ethernet for easy and affordable PCs, servers, IP cameras, IP expansion of networked services, and both plug-and-play settings and phones, printers, APs, routers enterprise-level management controls—including SNMP—to support your or other switches immediate and future businesses needs. Support workgroups with up › Built-in security. Built-in authentication and access control features to 10 users and/or devices in include VLANs, HTTPS encryption and IEEE 802.1X login; the Gigabit small and medium-sized model also offers access control lists (ACLs). office settings › Choice of management tools. Select the tool easiest for you: a smart and Locate where a compact intuitive web browser, CLI or SNMP tools. desktop design and the silent › PoE deployment flexibility and economy. PoE ports let you quickly add operation of a fanless switch devices (including wireless APs and IP phones) and save the costs of is preferred power supplies, electrical wiring and its installation. Deliver with ease voice and › QoS for real-time applications. Increase QoS with DSCP (DiffServ) and video over IP, including sales IEEE 802.1p traffic prioritization via four queues per port; the Gigabit demos, CRM, SFA, supply chain model also offers auto-voice VLANs. management, multimedia, graphics large data files, video surveillance, webcasts, dis- tance learning and medical images Provides total power budget of 62 W that can be used to supply a full 15.4 W of power to 4 ports simultaneously 17
  • 18. Small and Medium Business Switching Solutions from 3Com MANAGED SWITCHES DESIGNED FOR growing small 3Com Baseline Plus and medium-sized businesses that need advanced control of Managed Switches user configurations and the Baseline 2916-SFP Plus ability to scale while maintaining management ease. Baseline 2924-SFP Plus Baseline 2948-SFP Plus Connect PCs, servers, IP cam- eras, IP phones, printers, APs, Baseline 2924-PWR Plus routers or other switches Support workgroups with 16 to 48 users or devices in Baseline 2226 Plus small to medium size office Baseline 2250 Plus settings Non-blocking, full wirespeed delivers bandwidth-hungry Baseline 2426-PWR Plus applications such as voice and video over IP, sales demos, CRM, SFA, supply chain man- agement, multimedia, large graphics and data files, video Build smart and secure connections. surveillance, webcasts, dis- Built-in intelligence and easy-to-use graphical user interface let you tance learning or digital affordably control your network with these switches. Use plug-and-play medical images settings until you want to configure ports, and then use the intuitive web- based management tool to apply port control and security features for Model options offer PoE, Fast authentication and access control, including VLANs and IEEE 802.1X login. and Gigabit Ethernet, includ- › Manage with ease. Even the most novice users can configure the ing Gigabit uplinks for servers switch during initial setup and monitor it during normal operation. or backbone links to another building › Connect for present and future needs. Get up to 96 Gbps switching capacity with several models and be prepared for economical VoIP implementations with auto-voice VLANs, and IEEE 802.1p traffic prioritization with four queues per port. 18
  • 19. Small and Medium Business Switching Solutions from 3Com MANAGED SWITCHES DESIGNED FOR organizations 3Com Wireless and Wired that need wired and wireless connectivity while maintaining Unified Switches simple, yet powerful manage- Unified Gigabit Wireless PoE Switch 24 ment capabilities of a large wireless network. Meet the needs of a dynamic workforce. Connect 20 to 250 users (each switch can connect a This switch is the “Best Value” [Information Week November 5, 2007] way to increase workers’ access and mobility. Users enjoy seamless wireless combination of up to 250 roaming between APs. Administrators gain the performance boost of AP wireless or 24 wired clients) load balancing and link aggregation, as well as the resource-stretching and Centrally manage APs, PCs, cost-saving efficiency resulting from having one easy web-based interface servers, IP cameras, IP phones, for managing both networked wired and wireless devices. printers, routers or other › Centralize management. Eliminate the need to individually configure switches each device’s SSIDs, VLANs, access control lists and security settings, and ease port and RF administration with single-IP-address manage- Full PoE (15.4W on each port ment and an intuitive browser interface. simultaneously) supports high-performance for real- › Deploy with PoE-enabled flexibly. Save the costs of power supplies, time inventory and transac- electrical wiring and its installation when adding network devices such tions, voice and video over IP, as APs, IP cameras and IP phones. wireless VoIP, sales demos, › Boost support of mobile workers. Support wireless laptops, PDAs and IP CRM, SFA, supply chain man- phones using a single platform that integrates a Layer 2 switch, 24-AP agement, multimedia, large wireless controller and 24 PoE ports, and also provides auto-voice VLANs, graphics and data files, video IEEE 802.1p traffic prioritization, and wireless multimedia (WMM). surveillance, webcasts, dis- › Secure network traffic. Ensure enterprise-class security with wireless tance learning and digital encryption (including WPA/WPA2 and WEP), rogue AP detection and miti- medical images gation, and built-in capabilities for LAN and WLAN authentication and access control. 19
  • 20. Small and Medium Business Switching Solutions from 3Com UNMANAGED AND MANAGED SWITCHES 3Com IntelliJack® Switches DESIGNED FOR organizations IntelliJack Switch NJ2xx that need to support additional connections in difficult-to-wire or in-the-wall locations to avoid accidental loss of connectivity, IntelliJack Switch NJ1xx removal or damage. IntelliJack Switch NJ1000* Connect wireless access points, IP phones, PCs and laptops, printers and other devices More for less is possible. These unique in-the-wall “network jacks” quadruple connections in virtual- IEEE 802.1p traffic prioritiza- ly any business environment: on various copper and fiber-optic cables, and tion for real-time applications in a range of country-standard wall-cutout formats. By converting a single- such as voice, video and mul- port LAN connection into four Layer 2 switched LAN ports they help easily timedia and economically extend connectivity. Their compact in-wall design reduces workspace clutter and safeguards network connectivity. Enjoy the option of managed or unmanaged switching › Save the cost of adding cabling. Single ports are converted into four ports without the need for additional wiring, and power options include PoE or locally available AC power. › Easily expand connectivity and services. Support real-time applications such as voice, video and multimedia services with voice-ready QoS from 802.1p traffic prioritization. And conveniently extend the number of users and devices that can be connected, even in hard-to-wire facilities such as older buildings, crowded office spaces, conference rooms, labs, class- rooms, dormitories, hospitals and public areas. * North America only. 20
  • 21. Small and Medium Business Switching Solutions from 3Com MANAGED SWITCHES DESIGNED FOR mid-sized 3Com Switch 42xx Families organizations that need to con- sider the possibility of significant growth without the requirement Switch 4210 of considerable IT expertise. Switch 4210PWR Connect hundreds to thou- sands of users and devices Switch 4200G PWR Support large work groups using clustered stacking that enables management of Grow with stacking. multiple switches from one These enterprise-class Layer 2 switches build bandwidth and simplify own- management interface (IP ership by stacking up to four high. They are an affordable way to increase address) capacity and achieve enterprise-class security features. Economical edge switching Clustered stacking of up to 32 switches supports a large number of network with a variety of models that users and devices: switches range from 9 to 52 ports each, and can connect a wide range of devices, from routers and firewalls to IP security cameras offer from 9 to 52 ports each and IP phones. PoE and Fast Ethernet or Power over Ethernet models are ideal for voice and wireless installations; Gigabit model options to non-PoE models provide simple port expansion. All models offer advanced meet specific business needs QoS, security and management. Visit www.3com.com for more details about the complete portfolio of 3Com SMB switches and for information about the comprehensive selection of 3Com enterprise switching solutions. 21
  • 22. Small and Medium Business Switching Solutions from 3Com 16 5 8 ch ch ch 16 wit wit wit 5 8 itch itch itch dS dS dS 5 8 itch itch t Sw t Sw t Sw pee pee pee t Sw t Sw al S al S al S abi abi abi UNMANAGED SWITCHES 5 8 Gig Gig Gig itch itch abi abi Du Du Du Desktop Formats Gig Gig Sw Sw OC OC OC OC OC OC NUMBER AND TYPES OF PORTS 10/100/1000 Mbps (Gigabit) copper: Adjusts automatically 5 8 5 8 16 to a device's speed 10/100 Mbps: Automatic adjustment to a device's speed 5 8 5 8 16 Auto MDI/MDIX: Simplifies port setup, eliminates crossovers Total Switching Capacity (Gbps) 10 16 1 1.6 10 16 32 1 1.6 3.2 FORM FACTOR Desktop: Compact, space saving with wall-mount option Fanless: Silent operation ideal for small or shared offices QUALITY OF SERVICE (QOS) / VOICE READINESS IEEE 802.1p: Expedites traffic for jitter-free VoIP and video, and lag-free network gaming Queues per Port: Traffic prioritization via IEEE 802.1p 2 2 2 SETUP AND PERFORMANCE Plug and Play: Zero configuration, simply plug in cables FCC Class B Certified: Meets stringent emmisions requirements for home/office use IEEE 802.3x Flow Control: Improves performance by reducing link overload SERVICE AND SUPPORT Warranty 2 Yrs 2 Yrs 2 Yrs 2 Yrs 3 Yrs 00 3 Yrs 3 Yrs 3 Yrs 3 Yrs 3 Yrs 05 6-G NJ1 NJ1 6 4 6 4 201 202 212 281 282 itch itch ch ch ch ch ch Sw Sw wit wit wit wit wit eS eS eS eS eS ack ack UNMANAGED SWITCHES elin elin elin elin elin lliJ lliJ In-the-Wall and Rack-Mount Formats Inte Inte Bas Bas Bas Bas NUMBER AND TYPES OF PORTS Bas 10/100/1000 Mbps (Gigabit) copper: Adjusts automatically 2 16 24 to a device's speed 10/100 Mbps: Automatic adjustment to a device's speed 5 5 16 24 24 Power Forwarding: Forwards AC or PoE (up to 7.0 W) to IEEE 802.3af devices, such as IP phones, wireless access points Pass-through Ports: Adds RJ-11 or RJ-45 connectors for LAN links Auto MIDI/MDIX (optional): Simplifies port setup, eliminates crossovers Total Switching Capacity (Gbps) 1 1 3.2 4.8 8.8 32 48 FORM FACTOR In-the-Wall: Quickly replaces an existing 1-port LAN wall outlet with 4 switched ports; ideal for small or hard-to-wire locations Rack-Mount: Space saving use; includes kit QUALITY OF SERVICE (QOS) / VOICE READINESS IEEE 802.1p: Expedites traffic for jitter-free VoIP and video, and lag-free network gaming Queues per Port: Traffic prioritization via IEEE 802.1p 4 4 4 4 SETUP AND PERFORMANCE Plug and Play: Zero configuration, simply plug in cables IEEE 802.3x Flow Control: Improves performance by reducing link overload SERVICE AND SUPPORT Warranty Limited Limited 3 Yrs 3 Yrs 3 Yrs 3 Yrs 3 Yrs Lifetime Lifetime 22
  • 23. Small and Medium Business Switching Solutions from 3Com s s ch s s s Plu Plu Plu Plu Plu wit WR WR ES lus lus FP FP FP X 4-P 6-P 6-S 4-S 8-S 9F 6P 0P t Po 9 itch 291 292 292 294 222 222 225 itch itch abi t Sw Gig Sw Sw ch ch ch ch ch ch ch wit wit wit wit wit wit wit abi SMART WEB-MANAGED ed ed ed eS eS eS eS eS eS eS Gig nag nag nag SWITCHES elin elin elin elin elin elin elin fied Ma Ma Ma Desktop and Rack-Mount Formats Bas Bas Bas Bas Bas Bas Bas Uni OC OC OC NUMBER AND TYPES OF PORTS 10/100/1000 Mbps(Gigabit) copper: Automatic adjustment 10 1 16 24 24 48 24 to a device's speed Gigabit Combo (copper or SFP fiber) uplink 1 1 SFP 4 4 4 4 2 2 2 4 10/100 Mbps: Automatic adjustment to a device's speed 8 8 8 24 24 48 24 Power over Ethernet (IEEE 802.af PoE, max 15.4 W): Time and 10 4 4 24 24 24 money savings by connecting devices without electrical wiring Total Switching Capacity (Gbps) 20 26 26 32 48 48 96 8.8 8.8 11.6 48 FORM FACTOR Desktop: Compact, space saving with wall-mount option Rack-Mount: Space saving, uses only one rack unit; includes kit QUALITY OF SERVICE (QOS) / VOICE READINESS IEEE 802.1p: Expedites traffic for jitter-free VoIP and video, and lag-free network gaming Queues per Port: Traffic prioritization via IEEE 802.1p 4 4 4 4 4 4 4 4 4 4 4 DSCP (DiffServ): Traffic prioritization Auto-Voice VLAN: Improves voice quality by automatically assigning voice traffic to dedicated VLANs MANAGEMENT AND SECURITY IEEE 802.1X Network Login: Authorizes access by user MAC Filtering: Authorizes access by Ethernet address Access Control Lists: Authorizes access by MAC and IP addresses RADIUS: Requires logon for security HTTPS: Protects sensitive data sent over the web Application Blocking: Allows blocking of select applications SSH v2: Secure configuration VLANs (IEEE 802.1Q): Increases security and performance 256 60 60 256 256 256 256 64 64 64 256 or conjoins segmented users by creating virtual LANs Link Aggregation: Adds bandwidth by trunking ports together LACP (IEEE 802.3ad): Supports Apple servers Multicast Filtering: Prevents multicast network storm from taking network down SERVICE AND SUPPORT Warranty 3 years; plus services such as 90 days free phone support 23
  • 24. Small and Medium Business Switching Solutions from 3Com ily Fam FX ily R 225 225 220 PW am WR 0F NJ NJ NJ 0P 0G 0G 420 420 421 421 ack ack ack MANAGED SWITCHES lliJ lliJ lliJ itch itch itch itch In-the-Wall and Stackable Formats Inte Inte Inte Sw Sw Sw Sw NUMBER AND TYPES OF PORTS 10/100/10 00 Mbps(Gigabit) copper: Automatic adjustment to a device's speed 12,24,48 24 Gigabit copper and/or SFP fiber uplink(s): Extends distance of network 1,2,2,2 1,2,2 4 4 10-Gigabit uplink slots 1, 2, 2 2 10/100 Mbps: Automatic adjustment to a device's speed 5 5 4 8,16,24,48 8,16,24 100 Mbps copper and/or fiber uplink(s) 1 1,2,2,2 1,2,2,2 Power over Ethernet ports (IEEE 802.af PoE, max 15.4 W): Time and money savings 1 1 4,8,24 24 by connecting devices without electrical wiring Power Forwarding: Forwards AC or PoE (up to 7.0 W) to IEEE 802.3af devices, such as IP phones, wireless access points Pass-through Ports (optional): Adds RJ-11 or RJ-45 connectors for LAN links Auto MDI/MDIX: Simplifies port setup, eliminates crossovers Total Switching Capacity (Gbps) 1 1 1 3.6,7.2, 3.6,7.2, 44,88, 88 8.8,17.6 8.8 136 FORM FACTOR In-the-Wall: Quickly replaces an existing 1-port LAN wall outlet with 4 switched ports; ideal for small or hard-to-wire locations Rack-Mount: Space saving use; includes kit Stackable: Clustering simplifies setup, operation, management and expansion QUALITY OF SERVICE (QOS) / VOICE READINESS IEEE 802.1p: Expedites traffic for jitter-free VoIP and video, and lag-free network gaming Queues per Port: Traffic prioritization via IEEE 802.1p 4 4 4 4 4 8 8 DSCP (DiffServ): Traffic prioritization Auto-Voice VLAN: Improves voice quality by automatically assigning voice traffic to dedicated VLANs MANAGEMENT AND SECURITY IEEE 802.1X Network Login: Authorizes access by user MAC Filtering: Authorizes access by Ethernet address Access Control Lists: Authorizes access by MAC and IP addresses 1 1 1 RADA/RADIUS: Requires logon for security SNMP v3: Higher level of switch access security Application Blocking: Allows blocking of select applications SSH v2: Secure configuration IEEE 802.1Q VLANs: Increases security and performance or conjoins 256 256 256 256 segmented users by creating virtual LANs Link Aggregation: Adds bandwidth by trunking ports together LACP (IEEE 802.3ad): Automatically trunks ports together IGMP Snooping: Speeds packets (such as video) to devices in a multicast group without adding broadcast congestion SERVICE AND SUPPORT Warranty Limited Limited 3 Yrs Limited Limited Limited Lifmited Life Life Life Life Life Life Optional Express Service: Extends service, adds software upgrades 1 3Com IntelliJack switches use RADIUS; the other switches in this table use RADA. 3Com offers the broadest and deepest product lines available for smaller businesses today. To learn how 3Com products can help your business, contact 3Com at 1-800-NET-3COM (1-800-638-3266) or one of our authorized resellers or consultants. 3Com Corporation, Corporate Headquarters, 350 Campus Drive, Marlborough, MA 01752-3064. Copyright © 2008 3Com Corporation. All rights reserved. 3Com, the 3Com logo, IntelliJack and OfficeConnect are registered trademarks of 3Com Corporation. 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. All specifications are subject to change without notice. 101993-001 03/08

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