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To: geoffrey Wren who wrote (9856)12/20/2000 5:10:03 PM
From: Natedog  Read Replies (1) | Respond to of 12823
 
Gigabit Ethernet

An Ethernet technology that raises transmission speed to 1 Gbps. It is used primarily for backbones. The first IEEE standard (802.3z) for Gigabit Ethernet defined its use over multimode optical fiber (see below) and provides full-duplex operation from switch to end station or to another switch and half-duplex using CSMA/CD in a shared environment. The 802.3ab standard (1000BaseTX) provides for Gigabit Ethernet over copper cable.

Fiber Modal
Diameter Bandwidth Range
(microns) (MHz-km) (meters)

1000BaseSX
62.5 160 220
62.5 200 275
50 400 500
50 500 550

1000BaseLX
62.5 500 550
50 400 550
50 500 550
9 --- 5000



To: geoffrey Wren who wrote (9856)12/20/2000 10:25:24 PM
From: Raymond Duray  Read Replies (1) | Respond to of 12823
 
Hi Geoffrey,

Do a search on SI or on Google on Gigabit Ethernet or GbE and you'll find tons of information.

One prominent vendor of Gigabit Ethernet solutions is Extreme Networks. Today's market notwithstanding.

-Ray


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