Apple G5 manual AirPort Extreme Card Optional Specifications, Optical Digital Audio Specifications

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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%)

Appendix A Specifications