DSX630G 15.9545MHZ DSX630G 20.000MHZ DSX630G 20.048MHz DSX630G 24.576M,HZ 10PF 50PPM DSX630G 24MHZ DSX630G 25.000MHZ DSX630G 25.000MHZ 18PF 30PPM DSX630G 27.000MHZ DSX630G 29.498928MHz DSX630G 48M