DATA SHEET 3Com Fast Ethernet NICs for Desktop PCs (R) Key Benefits Advanced System Security and Performance 3Com(R) secure NICs (3CR990-TX-97, 3CR990-FX-97) use onboard IPSec processing to encrypt sensitive data transmissions and boost system performance in enterprise LANs. Sensible Central Control Upgrade LAN performance, reliability, security, and manageability Noise and Snoop Resistance Snoop- and interference-resistant fiber-optic cabling protects sensitive corporate data. 3Com fiber NICs (3C905B-FX[SC], 3CR990-FX-97) support most of the same standardsbased, remote control as our 3Com 10/100 Managed NIC. The 3Com 10/100 Managed NIC (3C905CX-TX-M) includes 3Com Managed PC Boot Agent and other time-saving, remote management features. The 3Com Connection Assistant, a web-based support tool, makes makes troubleshooting easier than ever. Fast Ethernet Performance for Small Offices From the company that pioneered smart NICs, 3Com Fast Ethernet desktop NICs provide an easy 100 Mbps upgrade for your enterprise LAN. Install these desktop links and watch network performance go up, and IT administration time go down. Whether you're looking for fast throughput, end-to-end security, timesaving remote control, plug-andplay installation, or worry-free compatibility, we've designed a Fast Ethernet desktop NIC to meet your needs. The 3Com OfficeConnect(R) Fast Ethernet NIC (3CSOHO100B-TX) delivers autonegotiating 10/100 Mbps throughput for small businesses. The included 3Com OfficeConnect Network Assistant includes simplified management features that take the mystery out of networking your office. 3 C O M (R) FA S T E T H E R N E T N I C S F O R D E S K T O P P C S D ATA S H E E T Features and Benefits LAN Security That Won't Sacrifice Performance Our secure NICs offload IPSec processing, encrypting your sensitive information without impacting system performance. These intelligent NICs can encrypt data up to five times faster than software applications without adding to network overhead. Fast Ethernet Performance and Reliability To effortlessly upgrade your desktop Ethernet connections, install 3Com Fast Ethernet NICs. These standardsbased NICs operate with a wide range of operating systems and LAN hardware. They offload cycle-intensive TCP/IP checksum operations, relieving workloads imposed on system CPUs. The dual-speed 10/100 NICs autosense and autoconfigure themselves to the right data rates. Our 100 Fiber NIC delivers many of the same performance and management features, except for autonegotiation. Worldwide Compatibility 3Com Fast Ethernet NICs are some of the world's most popular 10/100 Mbps NICs, offering extensive systems and software compatibility. You'll get unsurpassed reliability over UTP, coaxial, or fiber-optic cabling--thanks to 3Com's stringent quality control. 24/7 Monitoring, After-Hours Management Reduce administration costs with automated and after-hours tools. Remote wake up lets you manage your desktops without interrupting user productivity or having to administer them on-site. RMON-1/RMON-2 monitoring helps quickly pinpoint the source of network problems. ASF-compatible remote system alerts keep an eye on your desktops, even when they're powered down. They can proactively monitor systems for problems such as boot failure, overheating, unauthorized tampering, or even system theft. 2 Standards-Based, Central Control Included with or available separately from our website - 3Com Managed PC Boot Agent adds pre-OS controls to any 3Com Fast Ethernet NIC. Optimized Performance Advanced bus technologies eliminate transmission bottlenecks for accelerated network throughput and application response time. Traffic prioritization and flow control ensure that time-sensitive, business-critical information gets through first. Easy Installation Each NIC comes with an installation CD-ROM, online user guide, and quick start guide to help you get connected quickly and easily. Our NICs include 3Com Connection Assistant, an automated configuration and support software that uses the web to provide self and assisted service. Don't have dedicated IT people to run your small office network? You need our exceptionally easy-to-install-andmanage 3Com OfficeConnect Fast Ethernet NIC. 3 C O M (R) FA S T E T H E R N E T N I C S F O R D E S K T O P P C S D ATA S H E E T * * * PCI 2.1 * * * 100BASE-FX (SC/Fiber) * 3CSOHO100B-TX PCI 2.2 3C905B-FX(SC) 3C905CX-TX-M 3Com backs our Fast Ethernet desktop NICs with a Lifetime Limited warranty. For details on warranties, refer to the product manual or visit www.3com.com. 3CR990-TX-97 Lifetime Limited Warranty Simplicity with peace of mind. 3Com's objective is to deliver universal connectivity, tearing down any barriers between you and the most reliable connections, wherever you are. Our desktop NICs deliver simple network connections that make it easier to access your network's increasingly complex infrastructure. That's the 3Com advantage--superior performance, reliability, compatibility, and ease of use. 3CR990-FX-97 3Com 10/100 and 100 Mbps NICs Features Comparison Realizing Universal Connectivity * * 100BASE-TX (RJ-45/UTP) * * * 10BASE-T (RJ-45/UTP) * * * 10BASE2 (BNC/Coaxial) 10BASE5 (AUI/Coaxial) Dual-speed autonegotiation * * Bus mastering DMA * * * * * TCP/IP offloads * * * * * IPSec offloads * * 168-bit encryption * * 56-bit encryption * * 3Com Connection Assistant included or available * * * * 3Com OfficeConnect Network Assistant 802.1x flow control * * * * 802.1p traffic prioritization * * * * 802.1Q efficient multicast control * * * Remote wake up over bus * * * Remote wake up over cable * * * ASF-compatible system alerts WfM, DMI, ACPI * * * RMON-1/RMON-2 monitoring * * * * * * * 25 5, 25 3Com Managed PC Boot Agent * * 3Com Embedded Firewall support * * 25 25 Multipacks * * 10 3 3 C O M (R) FA S T E T H E R N E T N I C S F O R D E S K T O P P C S D ATA S H E E T Specifications Media Management 100BASE-FX, 100BASE-TX, 10BASE-T, 10BASE2, 10BASE5 10/100 and 100 NICs: Any SNMP Connectors SC, RJ-45, BNC, AUI management platform, including 3Com Managed PC Boot Agent, 3Com Embedded Firewall; the 3C905CX-TX-NM does not support most management features Meets FCC requirements, FCC Part 15,Class B, CE Power Requirements Bus Interface OfficeConnect NIC: 3Com +5V +/- 5% at 600 mA max.; +12V +/- 5% at 600 mA +12V 32-bit PCI bus OfficeConnect Network Assistant Operating Ranges 100BASE-FX: 1300 nm multimode System Requirements (32-158F) fiber optic; half-duplex up to 412 m (1,250 ft), full-duplex up to 2,000 m (6,500 ft) Hardware: PCI-bus Humidity: 10%-90% Category 5 or 5e UTP up to 100 m Linux 2.2, 2.4**; Microsoft Windows XP**, 2000, Me, 98, 95, Windows NT 4.0; Novell NetWare Server 3.x, 4.x, 5.x, NetWare Requestor for OS/2, NetWare ODI Client Temperature: 0-70C Cables and Operating Distances 100BASE-TX: Category 3, 4, 5, or 5e UTP up to 100 m 10BASE-T: 10BASE2: Thin coaxial, up to 185 m (608 ft) desktop systems noncondensing Software||: 10/100 and 100 NICs: Altitude: up to 3,000 m (9,800 ft) 500 m (1,640 ft) OfficeConnect NIC: Microsoft Windows 98, 95, and NT 3.5.1 or higher 3Com 10/100 Managed NIC 3C905CX-TX-M 3Com 100 Fiber NIC 3C905B-FX(SC) 10BASE5: Thick coaxial, up to Ordering Information Safety and Electromagnetic Compatibility 3Com OfficeConnect Fast Ethernet NIC 33CSOHO100B-TX 3CR990-FX-97 and 3C905B-FX(SC) NICs are 100 Mbps only, in compliance with the IEEE 100BASE-FX standard. ASF-compatible remote system alerts are only supported in 3C905CX-TX-M and 3C905CX-TX-NM NICs. || These drivers are included on an installation CD-ROM shipped with each NIC or multipack; other product drivers are available from independent software vendors. ** Drivers for Linux 2.4 or Windows XP are not included with 3CR990-TX-97 or 3CR990-TX-95 NICs. 3CR990-TX-97 or 3CR990-TX-95 NICs do not support Windows 95. This product contains encryption which may not be exported from the U.S. or Canada without an approved U.S. Department of Commerce export license. 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, the 3Com logo, and OfficeConnect are registered trademarks of 3Com Corporation. Possible made practical 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. Specifications subject to change without notice. 400250-015 11/02