DATA SHEET (R) SuperStack 3 Server Load Balancer Family Key Benefits Maximum Server Responsiveness Speeds application response by load balancing across multiple servers; six load balancing algorithms and wirespeed transmission ensure optimal performance. ate switches. Take advantage of up to 1,000 simultaneous client sessions with the 3Com(R) SuperStack(R) 3 Server Load Balancer, or scale even higher--up to 8,000 client sessions--with the SuperStack 3 Server Load Balancer Plus. Server Deployment Flexibility Comprehensive Security Allows you to mix existing and new servers and to incrementally add server capacity; solution runs independent of server operating systems and architectures to increase server responsiveness and to leverage your server investments. Integrated filters protect your servers from a wide variety of Denial of Service (DoS) attacks, providing extra protection for these critical resources. Maximizes server availability through seamless switchover between servers and support for redundant load balancing configurations. Wizards, intelligent defaults, and an efficient web-based user interface will generally have you up and running in less than 20 minutes. Includes 3Com Network Supervisor support for easy custom configuration, monitoring, and remote management. Extensive Scalability Limited Lifetime Warranty Directly connect up to 12 servers, or support up to 256 servers via intermedi- Ensures peace of mind. Includes fan and power supply. The 3Com SuperStack 3 Server Load Balancer products distribute traffic optimally among servers in web sites and other server farms. These highperformance, dedicated load-balancing switches fulfill the important performance-boosting mission of insuring that server requests get delivered to the server most capable of quickly returning content to the user. In addi- tion, their high-availability features ensure that applications continue to run even through individual server failure or maintenance downtime. Advanced e-commerce functions are also supported. Integrated security features offer an added layer of server protection from Denial of Service (DoS) attacks. High Availability Maximum server performance through efficient load sharing Radical Simplicity S U P E R S TA C K (R) 3 S E R V E R L O A D B A L A N C E R FA M I LY Specifications Interfaces Environmental Two 1000BASE-SX (SC) Gigabit Ethernet; 12 RJ-45 10/100Base-T Ethernet/Fast Ethernet with autonegotiated speed and duplex mode Operating temperature: 0 to +40 C (32-104 F) Storage temperature: -40 to +70 C (-40-158 F) Humidity: 10 to 95% (non-condensing) Dimensions and Weight Height: 65.8 mm (2.59 in or 1.5U) Width: 440 mm (17.32 in) Depth: 368.4 mm (14.5 in) Weight: 9.09 kg (20 lb) Power Performance Power Consumption: 75W TCP/IP Sessions (SuperStack 3 Server Load Balancer): 16,000 Standards Compliance Input voltage: 90 - 240 VAC Maximum input current: 3 A Operating frequency: 50/60 Hz Applications Load Balanced Safety: USA and Canada, UL1950/CSA22.2 No. 950-95, 3rd edition (Bi-National USA and Canada). European Community & EEA, EN60950 2000: ZB & ZC deviations; via GS Mark, CE. International, CB Report/Certificate to IEC 60950: 1999 including all national deviations Web (HTTP, HTTPS), Mail (SMTP, POP3, IMAP, MS Outlook), and File Transfer (FTP) Emissions: USA and Canada, FCC Part 15, Subpart B/ICES-003, Class A Server Load Balancer Policies European Community & EEA, EN55022: 1998, CISPR22, CE TCP/IP Sessions (SuperStack 3 Server Load Balancer Plus): 128,000 Megabits/second: 2.2 Gbps Max Number of Servers: 256 Round Robin, Weighted Round Robin, Least Connections, Weighted Least Connections, Quickest Last Response, Quickest Average Response Attributes Copper/Fiber option: SX Platform: Hardware/ASIC Storage: Flash Upgrades: TFTP or FTP Port Trunking (Etherchannel): Yes Cache redirect: Yes Persistence Modes Source IP: Yes SSL Session ID: Yes Cookie: Yes Australia, NZS3548 Immunity: European Community & EEA, EN55024: 1998, CE EN61000-3-2, -3 Power Line Harmonics, Flicker, CE Warranty Limited lifetime warranty, for as long as the customer owns the product, or five years after product discontinuance. Includes fan and power supply. Other Services After registering the product online, other support services such as 90-days telephone support and faster hardware replacement may also be available, depending on geographic availability. Redundant Failover Modes Management Primary/Secondary: Yes Embedded Web GUI management interface Active/Active: Yes 3Com Network Supervisor Reliability SuperStack 3 Server Load Balancer: MTBF (MIL): 316,000 hours at 25 C SuperStack 3 Server Load Balancer Plus: MTBF (MIL): 310,000 hours at 25 C Ordering Information 3Com SuperStack 3 Server Load Balancer 3C16120 Supports up to 16,000 simultaneous TCP connections. 3Com SuperStack 3 Server Load Balancer Plus Supports up to 128,000 simultaneous TCP connections. 3C16121 Optional Accessories for the Server Load Balancer 3Com SuperStack 3 Advanced Redundant Power System chassis 3C16071B 3Com SuperStack 3 Advanced Redundant Power System Type 3 Power Supply Module 3C16075 3Com Corporation, Corporate Headquarters, 5400 Bayfront Plaza, P.O. Box 58145, Santa Clara, CA 95052-8145 To learn more about 3Com solutions, visit www.3com.com. 3Com Corporation is publicly traded on Nasdaq under the symbol COMS. Copyright (c) 2002 3Com Corporation. All rights reserved. 3Com and SuperStack are registered trademarks of 3Com Corporation. The 3Com logo is a trademark 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. 400697-002a 10/02