... for SDH digital synchronization network-level node clock 1,2.CC81231 can be widely used in radio ... 11/1s <5 E -12/10s <3 E -12/100s <1 E -12 / day (GPS lock)Phase Noise: ≤ -95dBc/ ... wave: ≤-50dBc Non-harmonic: ≤-100dBc 5MHz, 1MHz and 1 Road, target the same 10MHz1PPS 4, BNC, TTL level, ... data interface, 1, DB-9 ,9600-N-8-1 System Monitoring Interface, 1, DB-9 ,9600-N-8-1Network Interface 1 Road, RJ45, ...