A.-12dBm B.-24dBm C.-69dBm D.-6dBm
A.140.16.0.0~140.31.255.255 B.172.16.0.0~172.31.255.255 C.168.16.0.0~168.31.255.255 D.192.16.0.0~192.31.255.255
A.物理鏈路連接正常 B.AAL2通道工作正常 C.兩端的CVPI/CVCI對接參數(shù)正確 D.物理鏈路是通的,但不能保證連接到正確的位置