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[单选题]
计算PCM30/32基群承载的最大话路数码率是()。
A.PCM30/32路基群的数码率=8000(帧/s)×31(时隙/帧)×8(bit/时隙)=1.984Mbit/s
B.PCM30/32路基群的数码率=8000(帧/s)×30(时隙/帧)×8(bit/时隙)=1.92Mbit/s
C.PCM30/32路基群的数码率=8000(帧/s)×32(时隙/帧)×8(bit/时隙)=2.048Mbit/s
D.PCM30/32路基群的数码率=8000(帧/s)×64(时隙/帧)×8(bit/时隙)=4.096Mbit/s
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