题目内容
(请给出正确答案)
[多选题]
CES service clock function of ZXCTN product includes working modes of transmitting/re
A.nAuto
B.nprimary reference clock
C.nloopback clock
D.nsystem clock
答案
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A.nAuto
B.nprimary reference clock
C.nloopback clock
D.nsystem clock
第4题
A.cesopsn,unframe
B.satop,CRC4-multiframe
C.cesopsn,CRC4-multiframe
D.satop,unframe