Adaptec AFW-4300 Installation Guide download pdf (Page 10)

About 1394 Technology

1394 (also known as FireWire or i.LINK) is an international standard

data transfer protocol created by Apple Computer, Inc. and ratified

by the International Standards Organization as IEEE 1394. Like

other data I/O protocols such as SCSI, Fibre Channel, and IDE, 1394

itself knows nothing about video, compression, or editing. It is a

series of standardized commands for moving data from one device

to another.

1394 offers advantages that make it ideal for use with audio and

video devices:

■ It’s fast

It has 100/200/400 Mbps, or 12.5/25/50 MBps data transfer

rates.

■ It’s guaranteed

Both isochronous (guaranteed bandwidth, ensuring full-frame,

full motion video, and CD-quality audio) and asynchronous

data transfers.

■ It’s consumer friendly

Small connectors, hot-pluggable (meaning you can connect

and disconnect DV devices without rebooting a computer),

and no need for terminators or setting device IDs.

■ It’s expandable

Supports up to 62 devices (16 daisy-chained) with a 4.5m

flexible cable between devices over a total length of up to 72m

or 240 feet.

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Adaptec AFW-4300 Installation Guide Page 10