ocr: Figure 4 Datd-communication spectrum 10kmn Link Distonce 0.1m 10m 100m Int Box locall/o LAN MAN WAN Dominant PCI Bus SCSI Bus Ethernef Standard Porallel Parcilel Serial BOMB/SCC 20MB/sCc Half duplex Halfduplex Halt duplox 10T 1.25MB/SCC 00-1812.5MB/sec Fibre Gigobit 125MB/sec Channel FC-AL FC-SW