1.
UP
PC USB USB
DOWN
UP UP
USB PC
UP
PC USB USB
2.
DOWN
USB USB
3. PC
•
•
( : MP3,
•
( MP3
• USB
High speed Full speed Low speed
480 Mbps 12 Mbps 1.5 Mbps
2.5 W
(, each port)
2.5 W
(, each port)
2.5 W
(, each port)