FAQ-Which Impedance Modes Do FXS Interfaces on a 4FXS1FXO Interface Card Support

Publication Date:  2015-04-22 Views:  150 Downloads:  0
Issue Description
Which Impedance Modes Do FXS Interfaces on a 4FXS1FXO Interface Card Support?
Solution
FXS interfaces on a 4FXS1FXO interface card support two DC impedance modes: 50 ohm (default) and 800 ohm.

FXS interfaces on a 4FXS1FXO interface card support three AC impedance modes: 600 ohm (default), 270+(750||150 nF) ohm, and 275+(780||150 nF).

END