FXS S2 Module 2 FXS Ports S2 Module The S2 is a module with 2 FXS ports to terminate two analog telephone. It can be used in MyPBX SOHO, MyPBX Standard, MyPBX E1, MyPBX Enterprise, MyPBX U100, MyPBX U200, MyPBX U5XX and TDM800 Card. ChaosWeb2014-12-20T03:43:01+08:00 Related Posts