Apple MC561LL/A, MD772LL/A, MD770LL/A, MC560LL/A USB Specifications, FireWire Specifications, Power

USB Specifications

ÂÂ Support for Universal Serial Bus (USB) 2.0 and 1.1 ÂÂ 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

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

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

FireWire Specifications

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

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

Power

ÂÂ Output voltage: Approximately 12 V

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

Ethernet Specifications ÂÂ IEEE 802.3 compliant

ÂÂ Maximum cable length: 328 feet (100 meters)

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

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

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

108Chapter 5   What’s Under the Hood