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Appendix A: Fast Ethernet and Gigabit Ethernet
About Fast Ethernet
24-port 10/100 + 2-Port Gigabit Switch with WebView
Appendix A: Fast Ethernet and Gigabit Ethernet
About Fast Ethernet
1. As the demand for desktop video, multimedia development, imaging, and other speed-intensive applications
continues to rise, the need for high performance, fault tolerant LAN technology will become more critical.
2. Standard Ethernet, which has been the most popular networking technology to date with a maximum data
throughput of 10Mbps (Megabits per second), is becoming insufficient to handle the latest video, multimedia,
and other speed-intensive client/server LAN applications.
3. Among the solutions to the problem of network speed, Fast Ethernet has emerged as the most viable and
economical. Capable of sending and receiving data at 100Mbps, it is more than fast enough to handle even
the most demanding video and other real-time applications.
4. Although there are a number of different competing Fast Ethernet implementations, 100BaseTX is by far the
most popular. Operating on two pairs of Category 5 unshielded twisted-pair (UTP) cabling, 100BaseTX
supports high speed signaling and is relatively inexpensive. Because it uses four wires for data transmission
and the same packet format, packet length, error control, and management information as 10BaseT,
100BaseTX can be made to communicate with slower 10BaseT equipment when routed through a switch.
5. This backwards compatibility is one of 100BaseTX's major advantages over other forms of Fast Ethernet; it
allows critical, speed-dependent network segments to be upgraded to 100BaseTX speeds as needed without
re-wiring, refitting, and retraining an entire site. Networks can now mix both slow and fast network segments
for different users or departments. Publishing, R&D, video, multimedia, or accounting departments can enjoy
a 100Mbps pace, while other corporate segments can operate at slower and more affordable 10Mbps speeds.
About Gigabit Ethernet
Gigabit Ethernet runs at speeds of 1Gbps (Gigabit per second), ten times faster than 100Mbps Fast Ethernet, but
it still integrates seamlessly with 100Mbps Fast Ethernet hardware. Users can connect Gigabit Ethernet hardware
with either fiber optic cabling or copper Category 5 cabling, with fiber optics more suited for network backbones.
As the new Gigabit standard gradually integrates into existing networks, current computer applications will enjoy
faster access time for network data, hardware, and Internet connections.