Regarding the M40 and D40 channel isolation indicators of OSN 8800/6800 equipment, which of the following statements is correct? (Multiple choice)

Regarding the M40 and D40 channel isolation indicators of OSN 8800/6800 equipment, which of the following statements is correct? (Multiple choice)
A . M40 Adjacent channel isolation >22dB
B. M40 non-adjacent channel isolation>25dB
C. D40 Adjacent channel isolation >22dB
D. D40 non-adjacent channel isolation>25dB
E. The LINE1-OSC1 and LINE1-OSC2 isolation of SFIU are both ≥65db
F. IN-TM, IN-TC isolation of FIU>40db

View Answer

Answer: ABD