Apple Power Mac G5 PCI Card Guide Guía de usuario descargar pdf (Pagina 80)

80 Appendix A Specifications

AirPort Extreme Card (Optional) Specifications

• Wireless data rate: Up to 54 Mbps

• Range: Up to 150 feet (data rates may vary depending on environmental conditions)

• Frequency band: 2.4 gigahertz (GHz)

• Radio output power: 15 dBm (nominal)

Compatibility

• 802.11 Direct Sequence Spread Spectrum (DSSS) 1 and 2 Mbps standard

• 802.11b 11Mbps standard

• 802.11g 54 Mbps standard

Optical Digital Audio Specifications

• Data format: Sony/Phillips Digital Interface (S/PDIF) protocol (IEC60958-3)

• Connector type: Toslink optical (IEC60874-17)

• Bits per sample: 16-bit or 24-bit

Optical digital audio out

Based on a typical situation with playback of a 1KHz, -1dBFS 24-bit sine wave, 44.1Khz

output sample rate, unless otherwise specified below.

• Output sample rate: 32 kHz, 44.1 kHz or 48 kHz

• Signal-to-noise ratio: Greater than130 dB

• Total harmonic distortion + noise: Less than -130 dB (0.00001 percent)

Optical digital audio in

Based on a typical situation with playback of a1KHz, -1dBFS 24-bit sine wave, unless

otherwise specified below.

• Fsi–input sample rate (external clock mode): 32 kHz, 44.1 kHz or 48 kHz

• Fsi–input sample rate (internal clock mode): 16 kHz to 96 kHz

• Signal-to-noise ratio (external clock mode): Greater than130 dB

• Signal-to-noise ratio (internal clock mode, 16 kHz < Fsi < 96 kHz): Less than -112 dB

• Total harmonic distortion + noise (external clock mode): Less than -130 dB (0.00001%)

• Total harmonic distortion + noise (internal clock mode, 16 kHz < Fsi < 96 kHz): Less than

-112 dB (0.0003%)

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Apple Power Mac G5 PCI Card Guide Guía de usuario Pagina 80