Corebuilder 3500 Multilayer Switch Allows You to Control Your Network Traffic Without Compromising Performance

data sheet

3Com® CoreBuilder ® 3500 MultiLayer Switch Enhances performance in switched Ethernet, Fast Ethernet, Gigabit Ethernet, FDDI, and ATM LANs

The CoreBuilder 3500 MultiLayer Switch allows you to control your network traffic without compromising performance.

Key Benefits Performance. Advanced programmable distributed ASIC+RISC

Flexible Intelligent Routing Engine ® ® (FIRE) architecture provides non- The 3Com CoreBuilder 3500 forwarding functionality. It will also blocking, wire-speed routing and MultiLayer Switch redefines be used as an edge device performing switching on all 100 Mbps ports price/performance and functionality Layer 3 forwarding while connected for unicast, broadcast, and multicast packets with an aggregate in high-end switching and routing. to a backbone of Gigabit Ethernet or throughput of more than 4 million Built around sophisticated third- ATM. packets per second (pps). generation ASIC technology, the Migrating the network backbone Migration. The CoreBuilder 3500 switch provides wire-speed Layer 2 from Fiber Distributed Data Interface module will allow Ethernet, Fast and Layer 3 traffic forwarding and Ethernet, Gigabit Ethernet, FDDI, (FDDI) to ATM is another specialty supports real-time, multimedia net- and ATM to communicate trans- of this system. The CoreBuilder 3500 parently. The subnet structure work traffic using the most advanced switch can mix and match ATM, can be maintained, avoiding policy-based services found in net- readdressing end stations. 10/100 Fast Ethernet, Gigabit working devices today. Combined Ethernet, and FDDI interfaces in Policy. Policy-based services pri- with flexible virtual LAN (VLAN) oritize and allocate bandwidth to each of its four module slots for the support, multicast services, multipro- different types of network traffic. flexibility to move freely between tocol routing, network management Network management. The technologies. CoreBuilder 3500 AutoFocus with RMON-1 and RMON-2, and SmartAgent® software provides Roving Analysis Port (RAP), the With superb performance, flexibility, powerful self-management tools in conjunction with 3Com CoreBuilder 3500 MultiLayer Switch and network control features, the Transcend® network provides a robust and resilient CoreBuilder 3500 MultiLayer Switch management. networking infrastructure. is the ideal networking device to make the transition to a next-generation The CoreBuilder 3500 MultiLayer network. Switch is designed to act as a backbone LAN router, replacing legacy LAN routers for Layer 3

Switches Allows Ethernet, Fast Ethernet, Gigabit Ethernet, FDDI, and ATM to communicate transparently Scaling Performance and IPX network boundaries, these routers Networks are not all based on Managing Growth with the become bottlenecks in traffic flows. The Ethernet. FDDI and ATM are popular CoreBuilder 3500 MultiLayer reason is that traditional routers were LAN backbone technologies. ATM was optimized to handle a diverse set of media once considered the only backbone tech- Switch types and speeds, where translation and nology that could be deployed if As networks become more complex and buffering ability were of paramount multimedia applications were to be used. performance requirements more importance, not wire-speed throughput Newer technologies such as Gigabit demanding, organizations need greater or low latencies. While some recent Ethernet have the potential to become ability to manage the evolution of these entries in the router space are much the choice of tomorrow’s LAN backbone infrastructures while making them improved in performance—some reaching infrastructures. Some Gigabit Ethernet increasingly transparent to users. Network 1 million pps—they have done so at a switches becoming available support CoS managers require the ability to build very high price point. and QoS and, combined with massive flexible, scalable, and easily managed bandwidth, have the potential to provide network solutions. Users also want all The CoreBuilder 3500 MultiLayer service levels adequate for video, voice, their applications, however sophisticated, Switch—Layer 3 Wire-Speed, and multimedia over Ethernet LANs. to be instantly available and extremely Multiprotocol Routing While not as robust as ATM QoS, it will responsive. With the CoreBuilder 3500 Today’s LAN infrastructures require a be available at lower cost and complexity. MultiLayer Switch and Transcend® net- new solution to the problem of for- Given this reality, any networking device work management software, these goals warding traffic across network boundaries. in consideration for use in backbones are not only attainable, but you can The answer is a new type of networking must provide a way to interconnect these build a network that will have the right device. This new device combines the technologies and provide a migration tools to scale performance and manage functions of current Layer 2 switches path for those networks that will be growth while providing policy services and LAN routers while adding features changing backbone technologies. This is for the first time. beyond what legacy LAN routers can an area where the CoreBuilder 3500 support. These new devices have been MultiLayer Switch plays very strongly. Evolution of Switched Networks referred to as Layer 3 switches, but that The demands of today’s networks are label does not fully describe the ability CoreBuilder 3500 Switching changing from a model where 80 percent of the CoreBuilder 3500 MultiLayer Architecture of traffic remained local with the rest Switch. This product can route packets What makes the CoreBuilder 3500 going through a backbone to either cen- at wire speeds across 10/100 Mbps product the industry-leading multilayer tralized servers or to some other part of Ethernet ports, scaling up to 4 million switch is its unique architecture. The an enterprise network. Today, 50 percent pps. The CoreBuilder 3500 MultiLayer switch is built around a third-generation of traffic remains local with the balance Switch also has low latencies associated architecture whose key element is the going across workgroups or to the back- with Layer 2 switches, typically 15 to FIRE ASIC. This generation not only bone. Also, shared media desktop 30 microseconds. Plus, the CoreBuilder builds upon advancements in Layer 2, connections are rapidly changing to 3500 MultiLayer Switch supports but provides extensive capabilities and switched connections to support increased sophisticated Class of Service (CoS) and wire-speed performance levels for Layer traffic loads. The immediate impact of Quality of Service (QoS) features that 3 routing, multicast forwarding, and this evolution is primarily felt in the tra- allow different types of traffic to have user-selectable policy services as well. ditional backbone routers that have been different levels of service—without There is no longer a disparity between deployed to segment LANs. With so affecting performance. Layer 2 and Layer 3 performance. True much more traffic crossing IP subnet and Layer 3 switched topologies can now be built with the control of Layer 3 and the performance of Layer 2 with absolutely no compromises. Application Frame Memory processor coprocessor subsystem Flexible Intelligent Routing Engine (FIRE) 3Com has extended the FIRE programmable ASIC capabilities even further by Switch/ Admission Buffer memory Input router/flow control manager embedding a processor into the silicon. manager Output port port This gives FIRE the performance of an ASIC and makes it extensible as well. MAC Traffic Traffic Queue MAC Future enhancements, such as IP ver- classifier governor manager sion 6, can be incorporated without a product upgrade or a sacrifice in performance. This future proofing is a key MIB/RMON consideration when evaluating next- FIRE-Flexible Intelligent Routing Engine generation switching solutions. See the figures on this page and on page 4 for Data forwarding examples of FIRE architecture. Control signals FIRE introduces Distributed Packet FIRE Architecture Processing (DPP). With DPP, multiple

Sw i t c h e s 3

management console management

Transcend network Transcend

CoreBuilder 3500 switch 3500 CoreBuilder PCs

High Quality of ServiceHigh Quality of Best Effort of Service Quality

Subnet 7 Subnet Subnet 3 Subnet technology, which allows for which allows technology,

™ PCs

Subnet 6 Subnet Server farm Server

Advanced Advanced Queuing Mechanisms LAN switches buffer output Traditional was Traffic traffic on a single queue. served on a first-in, first-out manner, when the traffic discarded with excess The larger queue queue became full. These char- added to latency. allowance and real-time acteristics made deploying multimedia applications very difficult. to this, 3Com introduced response In PACE different classes of service over the same classes of servicedifferent over LAN for latency with controls Ethernet packets get small buffers. This uses packets get small buffers. memory the efficiently and increases ability to handle large traffic system’s These bursts without losing a packet. dynamically constructed buffers are hierarchy, then allocated in a two-level on a per-port basis and a common pool. FIRE to guar- This arrangement allows amount of buffering for antee a fixed each interface handle large bursts of yet The data without depleting resources. is efficient utilization with out- result standing performance.

PCs

Desktop Switch Desktop

SuperStack II II SuperStack

Subnet 2 Subnet

PCs

Desktop Switch Desktop

SuperStack II II SuperStack

Subnet 5 Subnet Department servers Department

All buffering is done on the output PCs

The performance potential of advanced LAN switches is built on an intelligently designed memoryWith subsystem. FIRE, a portion of the buffer memory is with the forwarding associated directly added engines. As interface modules are forwarding engines, with their respective is Memory memory scales accordingly. not statically coupled with the forwarding to all for- engines, but is made available This engines in the system. warding globally physically distributed, yet a dramatic memoryshared provides in performance, especially for increase multicast forwarding. FIRE allocates frames of received buffers to the size so large and does so dynamically, packets get large buffers and small Dynamically Scalable Memory because all the necessary checking and the time a complete by updates are This at the output stage. packet arrives accessing a packet in memory, avoids one of the most costly operations in terms of performance. Desktop Switch Desktop

SuperStack II II SuperStack

Subnet 1 Subnet

PCs

Desktop Switch Desktop

SuperStack II II SuperStack

Department servers Department

Subnet 4 Subnet

II II

Switch 1100/3300 Switch

SuperStack II II

or tagging and reservations routed frames routed MIBs, including RMON ® • priorities Applies • the packet Transmits an individual pipeline, several Within • filters Applies • packet headers if routing Modifies • Classifies specific data flows • data rates on flows Polices • VLANs Determines • bridged and Distinguishes • frame integrity Verifies • statistics for relevant Captures

ASICs simultaneously handle multiple This parallelism and pipelining frames. bring forwarding performance 2 at Layer speed on 3 to new wire and Layer levels: all ports for unicast, multicast, and traffic. broadcast distributed forwarding engines rapidly and independently transfer packets the system. As a packet travels through the pipeline, the system: through

Switch 1100/3300 Switch SuperStack

The CoreBuilder 3500 switch used as a The CoreBuilder LAN backbone router. Department servers Department Performance scales with system expansion. 155/622 ATM interface MAC FDDI interface MAC Frame processor MAC FIRE ASIC MAC Frame Gigabit Ethernet interface processor MAC FIRE ASIC MAC Frame 10/100 Mbps Ethernet interface processor MAC FIRE ASIC MAC Frame RISC processor Scalable shared frame FIRE ASIC memory system coprocessor

RISC application processor

and jitter. The FIRE architecture builds CoreBuilder 3500 Features • Multicast packet firewalls limit on PACE technology and introduces • VLANs provide enhanced network the rate at which multicast packets four levels of output queuing for even performance by isolating broadcast are forwarded. greater levels of traffic discrimination. domains. Three basic types of Packets associated with real-time flows VLANs are supported: Internetworking and multimedia are placed on higher- Port-based VLANs are an arbitrary As large, flat Layer 2 networks are built priority queues. Weighted Fair Queuing group of ports within a bridge for performance and simplicity reasons, (WFQ) services the higher-priority group. it is becoming obvious that Layer 3 con- queues more frequently, while not trol is necessary. Users are coming full Protocol-based VLANs are a collec- starving the lower-priority queues. circle again as they realize the issues of tion of ports designated as a VLAN Layer 2-only designs: broadcast storms, interface for packets belonging to a Automatic Flow Classification spanning tree topologies making ineffi- specific Layer 3 protocol family. FIRE can instruct its packet pipeline to cient use of data paths, limited discriminate among user-specified traffic Network-based VLANs are a collec- dissimilar network connectivity, security, flows. These network manager-defined tion of ports designated as a VLAN and so on, which forced the use of priority settings are implemented in sil- interface for packets belonging to a routers years ago. The reason users tried icon. This results in decreased latencies, specified Layer 3 network address. to reduce the amount of routing in net- high-priority transmissions, and conges- IEEE 802.1Q tagging is also supported works was their greater latency and tion avoidance. AutoClass instructs the for interoperability with switches in a slower performance. Today, the pipeline to classify data flows and assign multivendor environment. 3Com propri- CoreBuilder 3500 MultiLayer Switch is them a queue-based priority. The etary tagging and Layer 3 address tagging the solution, providing Layer 3 for- process is media independent, working are also supported. warding at the performance levels of over all Ethernet, FDDI, and ATM • Trunking is a method of aggregating Layer 2 switches. Networks can still ben- media. AutoClass can recognize Data traffic over a group of ports either efit from Layer 2 switches, but a proper Link Encapsulation such as SNAP types to form a big pipe between switches network design must balance Layer 2 and LLC, as well as protocol types. or a fault-tolerant pipe to another with the control of Layer 3 devices. The Unicast, multicast, and broadcast traffic switch. The trunking group is CoreBuilder 3500 MultiLayer Switch can be distinguished, as well as IP UDP, treated as a single Layer 2 pipe with supports the most common Layer 3 pro- TCP source, destination addresses, and respect to spanning tree, filtering, tocols in use today: well-known ports. Mappings of 802.1p VLAN membership, and so on. • IP is the protocol most networks and 802.1Q services are provided as • Traffic control mechanisms are are using. Full IP support is incor- well as default classifiers. To simplify the supported to prevent the propagation porated in the CoreBuilder 3500 task of traffic classification setup, of certain traffic. Packet filtering Layer 3 switch, including TCP, Transcend network management appli- allows the user to define filters that UDP, RIP, OSPF, DVMRP, and all cations offer simplified configuration of cause blocking of traffic to or from RFCs defined for routing of IP. classifiers and queuing. the designated source or destination Both unicast and multicast traffic One example of using AutoClass address or many other criterion. types are supported. IP version 6 is prioritizing FTP traffic during large Protocol filtering prevents certain will be supported as well. file backups to ensure timely comple- protocols from being processed on • IPX, which is used in NetWare tion. Another is wire-speed firewalls, particular ports. Route filtering environments, is an important pro- where certain flows are allocated zero defines the prevention of routes tocol as most networks today have bandwidth. from being advertised on selected some amount of NetWare usage. interfaces. This type of filtering is Although Novell’s future direction mainly a security feature. is toward IP, support of IPX is critical in migrating today’s networks

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switches CoreBuilder 7000 CoreBuilder CoreBuilder 3500 MultiLayer CoreBuilder supports a state-of-the-art Switch users to console interface that allows a traditional out-of-band or utilize in-band Command Line Interface the wide array of (CLI) to configure options available. software 3500 MultiLayer CoreBuilder an embedded also features Switch an server that provides Web GUI to configure advanced •The Console-based management. •The management. Web-based

The CoreBuilder 3500 switch The CoreBuilder to FDDImigrates or ATM Ethernet backbone. Network Management 3500 MultiLayer The CoreBuilder will be supported a combina- by Switch tion of embedded SmartAgent manage- agents and external network CoreBuilder The ment applications. capabil- advanced the leverages software into the device to ities engineered Web- traditional console-based, provide based, application-based management, and a PCMCIA modem. ATM emulated LANs (ELANs). The LANs emulated (ELANs). ATM switch can be config- 3500 CoreBuilder interface up to two ATM with ured supportingmodules, each one OC-12c ELANs ports.or two OC-3c Multiple This each physical interface. can share offers unparalleled independence layer flexibility since the hardware-based into any can be plugged directly router without in the network switch ATM changes. 3 address concern for Layer

CoreBuilder 3500 switch 3500 CoreBuilder

Gigabit Ethernet Gigabit

ATM

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Desktop Switch Desktop SuperStack II II SuperStack There are three Ethernet modules for modules Ethernet three are There Ethernet The single-port Gigabit The 6-port FDDI modules support interfacefor the modules The ATM CoreBuilder CoreBuilder 3500 Interfaces Ethernet Switch: 3500 MultiLayer the CoreBuilder the 6-port 10/100BASE-TX module supports for for speed and autonegotiation duplex; and the 6-porthalf and full the 6-port100BASE-FX (MMF) and support100BASE-FX (SMF) modules half and full duplex. Gigabit Ethernet Interface module supports a Gigabit a Converters interface, (GBICs) allowing of media type support:variety 50 micron 1000BASE-SX (62.5 and (62.5 and 50 MMF), 1000BASE-LX and SMF, MMF), 1000BASE-LX micron 1000BASE-TXa future transceiver. FDDI SAS and DAS configurations, plus A, B, with available S, M port functionality, either multimode or single-mode fiber ports. FDDI interfaces offer a tremen- that have in networks dous advantage They can also be used FDDI backbones. as a migration tool if the backbone tech- or Ethernet nology is changing to Gigabit diagram below.) (See ATM. ATM Switch 3500 MultiLayer CoreBuilder communication enable wire-speed as virtualbetween segments known ubiq-

define the Department servers Department

filter IP multicasts

Switched FDDI Switched

Switched FDDI Switched Switched FDDI Switched ersion 2 remains ersion 2 remains toward an IP-only model. The model. an IP-only toward MultiLayer 3500 CoreBuilder and SAP, supports IPX RIP, Switch encapsulation types. all IPX Ethernet characteristics and criteria for grades of network offering different services for certain types of traffic such as file backups, video, and 3500 The CoreBuilder multimedia. offers a rich set Switch MultiLayer for supporting QoS, of features including multiple output queues, of traffic types, and AutoClass WFQ of priority-queued traffic. based on IGMP and IP multicast based on IGMP and IP received. packets that are routing traffic will be flooded to Multicast packets have IGMP ports where packets been observed. Multicast will also be flooded to DVMRP ports to other multicast routers. This is a benefit in applications video to multiple loca- that stream tions or need to send many copies of large databases to many hosts, such as in financial trading floors. uitous in large networks and is critical networks uitous in large in supporting migration to the IP- is Computer Apple only direction 3500 The CoreBuilder taking. supports Switch MultiLayer DDP, AARP, SNAP, AppleTalk and NBP. AEP, ZIP, RTMP, • v AppleTalk • services Policy-based • VLANs Autocast consistently the software options • Embedded RMON. Groups of 3Com Software commonly found using the console RMON-1/RMON-2 within the 3Com Transcend network management interface. hardware ASIC architecture allow and control solutions consist of Transcend • Applications-based management. users the freedom of using this applications as well as embedded network- Transcend Enterprise Manager for technology without regard to per- control software. Embedded software Windows NT and Transcend formance. built into the CoreBuilder 3500 Network Control Services for UNIX • Roving Analysis Port (RAP). MultiLayer Switch includes: supply configuration management, This port allows external • Service-level policy for bandwidth performance monitoring, topolog- RMON/RMON-2 probes, such as reservation and prioritizing traffic ical mapping, VLAN management, the 3Com SuperStack® II Enterprise with CoS and QoS and front-panel status viewing, Monitor to monitor traffic on any • Security policy for setting firewalls enhanced by an advanced GUI for switched segment. The CoreBuilder and filters ease of use. 3500 MultiLayer Switch RAP works • Network operations to provide the across multiple CoreBuilder 3500 The CoreBuilder 3500 MultiLayer tools to set up VLANs, trunking, MultiLayer Switch systems with any Switch also supports a variety of unique and multicast policies embedded management mechanisms to type of backbone connection (Fast Policy management functions allow allow users to utilize various methods Ethernet, FDDI, Gigabit Ethernet, for device management, traffic reporting, for nontraditional management. or ATM), making it the industry’s troubleshooting through RMON-1, and • AutoFocus. This tool combines the most powerful roving port capa- analysis through a RAP. Global policy advanced feature of RAP with the bility. RAP is accessible from allows for the setting of service-level Transcend network management 3Com’s advanced monitoring appli- policy, security policy, and network- application’s ability to accomplish cations, Transcend Enterprise operations policy across the network, action on event. AutoFocus allows Manager, Transcend Network giving you unprecedented control over a user to predefine the outcome of Control Services, and Transcend ™ the network and allowing you to manage a trapped threshold and allows Traffix Manager software. The it as a single, cohesive system. Therefore, Transcend to set an event into combination of RAP, Transcend with Transcend network management motion automatically. These applications, and a RMON- and control solutions, you can set global events, for example, can include 1/RMON-2 probe is an important policies via centralized applications that shutting down a port or assigning element in managing and trou- are automatically executed by embedded an externally attached probe to a bleshooting a network. The roving software throughout the network. specific port. port allows data collection from all segments of the network without having to relocate a probe manually.

6 Sw i t c h e s 7 CoreBuilder CoreBuilder 3500 Chassis Slots: 5 (4 interface module slots) Physical Dimensions Depth: 39.4 cm (15.5 in) 44.5 cm (17.5 in) Width: Height: 13.3 cm (5.25 in) loaded): 13.2 kg (fully Weight (29 lb) Serviceability logs Event Upline dump Out-of-band management Modem and serial ports browser Web diagnostics Power-on Redundancy supplies Dual hot-swap power with redun- Hot-swap fan tray dant features Modules Ethernet Modules Fast 100BASE-TX: 6 ports, RJ-45 and UTPconnector, media 100BASE-FX: 6 ports, SC and MM fiber media connector, 100BASE-FX: 6 ports, SC and SM fiber media connector, All modules support autonegotiation Gigabit Ethernet Modules 1000BASE: 1 port, GBICS con- supports SX, LX, SMF nector, media Modules FDDI 6-port multimode fiber SC connector 6-port single-mode fiber SC connector ATM Modules 2 155 Mbps OC-3c ports SC with connector 1 622 Mbps OC-12c port SC with connector Management Management Access Telnet time-out Configurable Number of sessions: 4 3 protection: of password Levels SNMP Console (RS 232) TFTP to Flash download FTP External PCMCIA load server Web Embedded Quality of Service (QoS) 4 output queues/port Queuing (WFQ) Fair Weighted Filtering Packet User-Defined address Source Destination address type field Protocol field 128 B programmable SmartAgent SupportAutoFocus Port Analysis (RAP) Roving RAP 4 sessions: Port mirroring 4 session: Mirroring MIBs MIB II Ethernet MIB FDDI SMT MIB Bridge MIB SNMP/FDDI Proxy SNMP 3500 Enterprise CoreBuilder Extensions RMON-1 Statistics History Events Alarms Hosts HostTopN Matrix RMON-2 directory Protocol distribution Protocol mapping Address host Network-layer matrix Network-layer Transcend Policy Transcend Classification Traffic Destination IP address IPSource address IP protocol TCPDestination port TCP Source port Destination UDP port UDPSource port IEEE 802.1p CoS Bandwidth Reservation RSVP bandwidth reservation Static policing Traffic ATM Features 8K virtual (VCs) circuits LAN Emulation Client v1.0 ATM LAN Emulation Clients 32 ATM VLANs1-to-1 mapping of 802.1Q ELANs to ATM AppleTalk 2.0 Version Interface seeding Number of static ARPNumber of static cache entries: 64 Enhanced PING support Traceroute IP debug BootP/DHCP agent relay IP multicast IP table multicast routing entries: 6 K DVMRP Multicast tunnels ARP Proxy subnets (one-armed Overlapped routing) bridged ports over Routing 3 IPX Layer 802.2 interface 802.3 (RAW) interface SNAP interface IPX ethertype interface Multiple interface types/port RIP RIP entries: 2 K SAP SAP entries: 2 K Layer 3 Features Performance 3 Routing Layer rate: Max forwarding 4 million pps for- Max multicast/broadcast 4 million pps rate: warding latency: 10-30 µsec Average 3 IP Layer IP table entries: 50 K routing RIP/RIP v2 OSPF 64 Number of static routes: CoreBuilder CoreBuilder 3500 MultiLayer Switch Layer 2 Features Support 2 Switching Layer switching Store-and-forward IEEE mode 802.1d bridging K) 32 K (64 table size: Address table per address Configure VLAN IPX SNAP encapsulation (FDDI) IP 1042) (RFC fragmentation II translation AppleTalk (IEEE 802.1H) firewalls Broadcast/multicast Switching Performance rate: Max forwarding 4 million pps Max multicast/broadcast 4 million pps rate: forwarding latency: 10-30 µsec Average Protocol Tree Spanning IEEE 802.1d compliant multicast address Programmable Enable/disable per port Multicast Management IGMP snooping Multicast limits Prioritization Traffic IEEE 802.1p service classes technology PACE VLAN Support Port grouping Number of port groups supported: 32 grouping Protocol-based IEEE 802.1Q tagging IEEE 802.1Q GVRP VLANsOpen VLANsClosed Port trunking (up to 8 ports/trunk) Specifications 3Com ® CoreBuilder ® 3500 MultiLayer Switch

Environmental Ranges Safety Electromagnetic Emissions Operating Agency certifications: UL 1950 FCC part 15 Class A Temperature: 0° to 40°C CSA 22.2 No. 950, TUV ICES 003 Class A EN 60950, IEC 60950 (32° to 104°F) CISPR 22 Class A AC protection: 4 A fuse Humidity: 10% to 95% EN 55022 Class A noncondensing Over temperature protection: AS 3548 Class A Storage automatic warning at 140°F (60°C) VCCI level A Temperature: -30° to 65°C (-22° to 149°F) Regulatory Markings Immunity Humidity: Up to 90% CE mark EN 50082-1 noncondensing C-TICK mark Power Supply AC line frequency: 47 to 63 Hz Power Consumption TUV/GS mark Input voltage: 3.5 A @ 110 VAC 90 to 264 VAC 1.4 A @ 240 VAC Current rating: 120 VAC at 3.0 A (max.) 220 VAC at 1.75 A (max.) Redundancy (optional): dual power supplies

Ordering Information

Starter Kits CoreBuilder 3500 FDDI module Software and Documentation CoreBuilder 3500 Starter Kit; (6 ports, SAS and DAS capable, CoreBuilder 3500 Switching includes chassis, one power single-mode fiber, SC connectors) Software Printed Documentation supply, fan tray, processor 3C35420 Kit 3C35984 module, software, and documenta- CoreBuilder 3500 ATM interface CoreBuilder 3500 Switching tion (CD-ROM) 3C35100 module, two OC-3c multimode Software Version 3.0 3C35935B ports, SC connectors 3C35510 Interface Modules CoreBuilder 3500 ATM interface Accessories CoreBuilder 3500 Autosensing module, two OC-3c single-mode ports, SC connectors 3C35520 CoreBuilder 3500 Blank Front Ethernet 10BASE-T/Fast Ethernet Panel (one slot) 3C35005 100BASE-TX Module CoreBuilder 3500 ATM interface (6 ports, RJ-45) 3C35210 module, one OC-12c multimode PCMCIA Flash Card (20 M) 3C35007 CoreBuilder 3500 Fast Ethernet port, SC connector 3C35530 100BASE-FX Module [6 ports, CoreBuilder 3500 ATM interface multimode fiber (MMF), module, one OC-12c single-mode Transcend Network Management SC connector] 3C35220 port, SC connector 3C35540 Transcend Network Control CoreBuilder 3500 Fast Ethernet Services for UNIX 3C27850G 100BASE-FX Module [6 ports, Field Replaceable Units Transcend Network Control single-mode fiber (SMF), CoreBuilder 3500 Chassis includes Services Version 1.1 SC connector] 3C35230 one power supply and fan tray for Windows NT 3C81400A CoreBuilder 3500 Gigabit Ethernet 3C35001 Transcend Enterprise Manager GBIC (Gigabit Interface Converter) CoreBuilder 3500 AC Power Supply Version 6.2 for Windows NT Module (1 port) 3C35330 (4.5 in x 8 in x 6 in) 3C35002 3C15010H CoreBuilder 3500 Gigabit SX GBIC CoreBuilder 3500 Fan Tray Transcend WorkGroup Manager Transcevier 3CGBIC91 (1.25 in x 4 in x 9 in) 3C35003 Version 6.2 for Windows 3C15000I CoreBuilder 3500 Gigabit LX GBIC CoreBuilder 3500 Processor Transceiver 3CGBIC92 Module (1.5 in x15 in x9 in) CoreBuilder 3500 FDDI module 3C35004 (6 ports, SAS and DAS capable, multimode fiber, SC connectors) 3C35410

3Com Corporation 5400 Bayfront Plaza To learn more about 3Com products and services, visit our World Wide Web site at www.3com.com. 3Com Corporation is publicly traded on P.O. Box 58145 Nasdaq under the symbol COMS. Santa Clara, CA 95052-8145 Copyright © 1999 3Com Corporation. All rights reserved. 3Com, the 3Com logo, CoreBuilder, SmartAgent, SuperStack, and Transcend are regis- Phone: 1 800 NET 3Com or tered trademarks of 3Com Corporation. More connected., PACE, and Traffix are trademarks of 3Com Corporation. AppleTalk is a trademark of 1 408 326 5000 Apple Computer. Windows is a trademark of Microsoft. IPX and NetWare are trademarks of Novell. UNIX is a trademark of UNIX Laboratories. Fax: 1 408 326 5001 All other company and product names may be trademarks of their respective companies. All specifications are subject to change without notice. World Wide Web: http://www.3com.com Printed in U.S.A. on recycled paper 400347-005 11/99