在OTN中，ODU2的比特速率是(____)。
AODU2速率=10047273.924kbits/s.
BODU2速率=10037273.924kbits/s.
CODU2速率=10057273.924kbits/s.
DODU2速率=10087273.924kbits/s.
AODU2速率=10047273.924kbits/s.
BODU2速率=10037273.924kbits/s.
CODU2速率=10057273.924kbits/s.
DODU2速率=10087273.924kbits/s.