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Apple Power Mac G4 (Digital Audio) User Manual

Page 79

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Specifications

79

USB Specifications

m Two external Universal Serial Bus (USB) Type A ports
m Each port is on a separate 12 megabit per second (Mbps) USB channel.
m 500 milliamperes (mA) at 5 V are available per port for a total of 1 ampere.

FireWire Specifications

m Data transfer speed: 100, 200, and 400 Mbps

Power

m Input voltage range: 8 to 33 V
m Input power range: Approximately 1 watt (W)
m Output voltage range: Approximately 13 to 30 V
m Output power range: Up to 15 W

Ethernet Specifications

m IEEE 802.3 compliant
m Maximum cable length: 100 meters (m)
m Protocols: Open Transport, AppleShare, AppleTalk, NetWare for Macintosh, TCP/IP
m Connector: RJ-45 for 10Base-T, 100Base-TX, and 1000Base-T
m Media, 10Base-T: Category 3 or higher UTP on 2 pairs up to 100 m
m Media, 100Base-TX: Category 5 UTP on 2 pairs up to 100 m
m Media, 1000Base-T: Category 5 and 6 UTP on 4 pairs up to 100 m
m Channel speeds: IEEE Auto Negotiation of 10Base-T, 100Base-TX, and 1000Base-T

Modem Specifications

m Data communications standard: K56Flex and V.90
m Speed: 53 kilobits per second (Kbps)
m Fax standard: ITU V.17

Specifications for the AirPort Card (Optional)

m Wireless data rate: 11 Mbps maximum
m Range: Up to 150 feet (data rates may vary depending on environmental conditions)
m Frequency band: 2.4 to 2.5 gigahertz (GHz)
m Radio output power: 15 dBm (nominal)