Apple MD772LL/A Personal Computer User Manual


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109Chapter 5 What’s Under the Hood
 Media, 1000Base-T: CAT5eUTPon4pairsupto100m
 Channel speeds: IEEEAutonegotiationof10Base-T,100Base-TX,and1000Base-T
Bluetooth 2.1+EDR Specications
 Wireless data rate: Upto3Mbit/s
 Range: Upto33feetor10meters(dataratesmayvary,dependingon
environmentalconditions)
 Frequency band: 2.4gigahertz(GHz)
AirPort Extreme Specications
 Frequency band: 2.4and5gigahertz(GHz)
 Radio output power: 20dBm(nominal)
Compatibility
 802.11a,b,g,andn
Optical Digital Audio Specications
 Data format: Sony/PhillipsDigitalInterface(S/PDIF)protocol(IEC60958-3)
 Connector type: TOSLINKoptical(IEC60874-17)
 Bits per sample: 16-bit,20-bit,or24-bit
Optical digital audio out
Basedonatypicalsituationwithplaybackofa1kHz,0dBFS24-bitsinewave,44.1kHz
outputsamplerate,unlessotherwisespeciedbelow.
 Output sample rate: 44.1kHz,48kHz,or96kHz
 Signal-to-noise ratio: Greaterthan130dB
 Total harmonic distortion + noise: Lessthan-130dB(0.00003percent)
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