Switches

OfficeConnect Switch 140 3C16730

Ideal for relieving congested shared- access networks, the OfficeConnect Switch 140 provides four unmanaged 10BASE-T ports and one 100BASE-TX switched Ethernet port. This switch and the OfficeConnect Switch 140M provide a simple plug-and-play link between Ethernet and Fast Ethernet OfficeConnect devices.

Four 10BASE-T ports and one 100BASE-TX port

Full wire-rate switching eliminates bottlenecks that restrict data flow and delay traffic

Intelligent Flow Management ensures zero packet loss

OfficeConnect Switch 140M 3C16731

The OfficeConnect Switch 140M increases performance and relieves bottlenecks in small, high-traffic networks supporting bandwidth-inten- sive applications. This switch provides out-of-the-box Web-based management to small offices in need of an easy-to- use, low-cost management solution.

Four 10BASE-T ports and one 100BASE-TX port

Full wire-rate switching eliminates bottlenecks that restrict data flow and delay traffic

SNMP, RMON, and Telnet manage- ment deliver scalable management solutions for growing networks

Web-based management provides the familiar point-and-click interface of a standard browser for device configuration and network troubleshooting. Management

can be performed from any location or platform. Password access provides network security.

Intelligent Flow Management ensures zero packet loss

3Com PACEtechnology optimizes multimedia applications

OfficeConnect Switch 280 3C16732

Ideal for relieving congested shared- access networks, the OfficeConnect Switch 280 provides eight unmanaged 10BASE-T ports and two Fast Ethernet 10/100 auto-sensing ports for server or backbone connection.

Eight 10BASE-T ports and two 10/100BASE-TX ports

750 MAC addresses make it ideal for small- and medium-sized installations

Autonegotiating, full and half duplex on all ports, doubling the throughput when ports are connected to other autonegotiating, full-duplex devices.

Full wire-rate switching eliminates bottlenecks that restrict data flow and delay traffic

OfficeConnect Switch 400 3C16733

The OfficeConnect Switch 400 lets users migrate effortlessly between

10 Mbps and 100 Mbps. With its four auto-sensing 10/100 ports, the OfficeConnect Switch 400 allows for aggregation of Fast Ethernet hubs, as well as delivering the performance benefits of Fast Ethernet.

Four 10/100BASE-TX auto-sensing ports

Autonegotiating, full-and half-duplex on all ports, doubling the throughput when ports are connected to other autonegotiating, full-duplex devices

Full wire-rate switching eliminates bottlenecks that restrict data flow and delay traffic

Small Business

Network Kits

and Bundles

Small Business

Network Bundles

3Com has created three special Small Business Network bundles, combining OfficeConnect hubs and EtherLink® III network interface cards (NICs).

OfficeConnect Hub 8/TPO

with five EtherLink III ISA TPO NICs

3C509B-BDL-TPO

OfficeConnect Hub 8/TPC

with five EtherLink III ISA TPO NICs

3C509B-BDL-TPC

OfficeConnect Hub 8/TPC

with five EtherLink III PCI TPO NICs

3C900-BDL-TPC

Small Business/

Home Networking

Kits

OfficeConnect Networking Kit (4-Port) 3C1509

The OfficeConnect Networking Kit (4-port) is a complete network solution for homes and small offices. One kit contains all the hardware necessary to connect two personal computers: two EtherLink III ISA NICs, one OfficeConnect Hub TP4, a power adapter, cabling, user guide, and complete installation software.

OfficeConnect Networking Kit (8-Port) 3C50902B

The OfficeConnect Networking Kit (8-port) is a complete network solution for small businesses. One kit contains all the hardware necessary to connect

three personal computers:

three EtherLink III ISA NICs, one OfficeConnect Hub 8/TPC, a power adapter, cabling, user guide, and complete installation software.

Both kits offer:

A hub that supports up to four network devices (3C1509) or eight network devices (3C50902B) for easy network expansion

Quick installation with an easy-to- follow user guide that includes step-by-step instructions

Compatible with leading operating systems, including Windows 95, Windows NT, Novell NetWare, and Artisoft LANtastic

Lifetime limited warranty

Unlimited free technical support through 1-800-NET-3COM, 24- hour BBS, FaxBack, and the 3Com Web site (http://www.3com.com)

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3Com Hubs and Switches warranty Small Business Network Kits Bundles, Small Business Home Networking Kits

Hubs and Switches specifications

3Com Hubs and Switches have been pivotal in networking technology, especially during the 1990s and early 2000s, when businesses were rapidly adopting Local Area Networks (LANs). Known for their reliability and user-friendly designs, 3Com's networking products laid the groundwork for the modern infrastructure we rely on today.

One of the main features of 3Com hubs was their ability to connect multiple devices on a single network. Hubs operate at the physical layer of the OSI model, functioning as simple connection points. They receive data packets from one device and broadcast them to all other connected devices. This made 3Com hubs an economical solution for small networks and home offices, enabling seamless communication but limiting bandwidth efficiency due to collisions in a shared network environment.

In contrast, 3Com switches brought significant advancements to networking technology. Operating at the data link layer, switches intelligently analyze incoming traffic and direct data packets only to the intended recipient. This feature reduces network collisions and enhances overall performance, particularly in larger networks. 3Com switches were designed for scalability, accommodating growing business needs while improving traffic management and bandwidth efficiency.

Another key technology associated with 3Com was their implementation of Virtual LANs (VLANs). VLANs allow network administrators to segment networks into smaller, isolated groups, even when devices are geographically dispersed. This enhances security and performance by controlling broadcast traffic and ensuring sensitive data remains separate.

3Com also prioritized ease of management with features like Simple Network Management Protocol (SNMP) for monitoring devices and traffic. Additionally, their products supported Power over Ethernet (PoE), simplifying installations by delivering power through Ethernet cables to devices like IP phones and security cameras, thus eliminating the need for separate power sources.

With robust build quality, 3Com hubs and switches ensured reliability in demanding environments. They offered a range of products catering to various needs, from small businesses to large enterprises. Though newer technologies have emerged since, the legacy of 3Com hubs and switches remains influential in the development of networking infrastructure, laying groundwork for today’s more advanced systems.