https://www.electro-tech-online.com/threads/how-do-i-separate-ac-and-dc-signals-from-phone-line-to-go-to-2-circuits.141351/
How would I split the AC to one ciruit and DC to another circuit ? (Separate the AC and DC telephone Signals for use in other circuits)
The R and C values determine the cut off frequencies for the DC and AC.
