1 INTRODUCTION

The LinkBuilder® FMS100-TX Hub is a member of the 3Com® SuperStacksystem of stackable network devices. The 100 designation refers to 100BASE-T Fast Ethernet, which is an extension of the Ethernet IEEE 802.3 specifications. The 100BASE-T specification supports the following 100 Mbps media options:

100BASE-TX (two-pair Category 5 UTP cabling)

100BASE-T4(four-pair Category 3, 4, or 5 UTP cabling)

100BASE-FX (two-strand fiber cabling)

The LinkBuilder FMS 100-TX Hub complies with the definition of a Class I repeater provided in the IEEE 802.3 standard. Refer to the section “Classification of Repeaters” in Chapter 3 for a description of the IEEE 802.3 repeater classification.

This guide discusses the LinkBuilder FMS 100-TX Hub and the 100BASE-TX and 100BASE-FX transceiver interface modules.

General

The LinkBuilder FMS 100-TX Hub, which functions as a network repeater and

Description

supports 100 Mbps connectivity, has 12 dedicated RJ-45 twisted-pair ports on

 

its front panel, as shown in Figure 1-1. A media-flexible transceiver interface

 

module port on the hub’s rear panel is designated the thirteenth port.

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3Com 100 TX manual Introduction, General, Description

100 TX specifications

The 3Com 100 TX is a leading networking device that revolutionized Ethernet connectivity in both small and large enterprise environments. As a part of the 3Com family, this device was designed to provide reliable and efficient network performance, supporting the growing demands of networking technologies in the late 1990s and early 2000s.

One of the main features of the 3Com 100 TX is its compliance with the 100BASE-TX standard, enabling rapid data rates of up to 100 Mbps. This makes it ideal for high-speed local area networks (LANs) that require swift data transfer among connected devices. The device effectively accommodates the increasing bandwidth needs brought on by resource-heavy applications and the proliferation of internet services.

The 3Com 100 TX employs a Category 5 cabling system, which is crucial in achieving optimal performance. This cabling type allows for improved signal quality and reduced crosstalk, particularly over longer distances. By integrating this technology, the 3Com 100 TX can maintain a reliable point-to-point connection, ensuring minimal packet loss and superior data integrity.

Another significant characteristic of the 3Com 100 TX is its innovative design, which facilitates easy installation and integration into existing network infrastructures. The device features auto-negotiation capabilities, allowing it to automatically detect and adapt to the speed and duplex settings of connected devices. This plug-and-play functionality minimizes configuration time, making it user-friendly for both seasoned network engineers and those new to networking.

In terms of network management, 3Com incorporated various tools to help administrators monitor and troubleshoot network performance efficiently. The device includes diagnostic indicators such as Link and Activity LEDs, providing real-time feedback on connection statuses. This aids in quick identification of potential issues or downtime, ensuring network reliability.

Overall, the 3Com 100 TX remains a noteworthy component in the evolution of Ethernet technology. Its exceptional speed, flexible cabling compatibility, and user-oriented design make it an enduring choice for businesses seeking to enhance their network infrastructure. By investing in such devices, organizations can achieve optimal connectivity, laying a strong foundation for a robust digital ecosystem.