Gigabit-Ethernet (1000baseT)

by Johannes Helmig [Published on 8 Feb. 2003 / Last Updated on 8 Feb. 2003]

For a long time, we were using High-Speed 100 MHz 100baseT, which gave more network speed than the older 10baseT. But when using large multi-media files, networks need to be even faster:


When multiple users try to communicate via the 100 Mhz network, the connection between
the hub/switch and the server becomes the bottleneck.

Using Gigabit-Ethernet 1000baseT as connection between hub/switch give more network
throughput.

Please use CAT5e or CAT6 cables to ensure reliable networking.
Don't try to save on the cable (1000 Mhz is a very high frequency) !


In case you need a patch/cross-cable to make a direct connection between 2 PCs or hubs, here is the wiring rules (which require more wires to be crossed than for 100baseTx or 100baseT4 ) :


See Also


The Author — Johannes Helmig

Dr.Johannes Helmig is working as Director, Technical Knowledge Management in the Belgium office of Gerber Technology where he is involved in Customer Service and internal training, with special interest in Networking.

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