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FireWire & USB 2.0
Data transfer rate of 400 Mbps
FireWire is suitable for applications
where delayed or out-of-order data
frames are unacceptable, such as digi-
tal video editing.
Supports up to 63 devices
FireWire devices can be linked in a
daisy-chain configuration. With the use
of FireWire hubs, up to 63 devices can
be linked on a single FireWire bus.
Peer-to-peer architecture
FireWire devices are intelligent. Data
transmission can take place without the
need for input from the computer.
Cable length up to 14ft
On-bus power up to 45 W
FireWire can power larger, higher
power consumption devices than USB
2.0.
Plug & Play
You do not need to install drivers,
assign unique ID numbers, or connect
terminators.
Hot-swappable
Devices can be added and removed
while the computer is running. Also,
you can turn off the device when not
needed, in order to conserve electricity.
Compared
4
Data transfer rates up to 480 Mbps
With USB, data transfer rates can
vary depending on a number of factors,
including available CPU resources.
Supports up to 127 devices
Connecting more than one or two USB
devices to a computer typically requires
the use of one or more hubs: each hub
can accommodate several USB devices.
Master-slave architecture
The computer dictates data flow to,
from, and between attached devices.
Cable length up to 16.5ft
On-bus power up to 2.5 W
Suitable for low-power-consumption
devices such as flash card readers.
Plug & Play
You do not need to assign unique ID
numbers, or connect terminators. On
most operating system you do not need
to install drivers.
Hot-swappable
Devices can be added and removed
while the computer is running. Also,
you can turn off the device when not
needed, in order to conserve electricity.
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