Apple MC561LL/A 사용자 설명서

What’s Under the Hood

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Support for Universal Serial Bus (USB) 2.0 and 1.1

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Seven external USB Type A ports

Two USB 2.0 ports on the front

Three USB 2.0 ports on the back

Two USB 2.0 ports on the Apple Keyboard

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Each USB port (front and back) is on a separate 480 megabit-per-second (Mbit/s)
USB channel

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500 milliamperes (mA) available for a total of 1.5 A on the back and 1.0 A on the front

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Four external FireWire ports:  Two FireWire 800 ports (9-pin) on the front and two on
the back

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Data transfer speed:  100, 200, 400, and 800 Mbit/s

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Output voltage:  Approximately 12 V

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Output power:  Up to a maximum of 28 W for all 4 ports or 12 W for any one port

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IEEE 802.3 compliant

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Maximum cable length:  328 feet (100 meters)

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Connector:  RJ-45 for 10Base-T, 100Base-TX, and 1000Base-T

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Media, 10Base-T:  Category (CAT) 3 or higher UTP on 2 pairs up to 100 m

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Media, 100Base-TX:  CAT 5e UTP on 2 pairs up to 100 m