Yeastar O2 Module (2FXO) is a module with 2 FXO ports to terminate two analog PSTN(POTS) lines. The O2 Module 2FXO is compatible with MyPBX series and S-Series PBX.

The O2 Module is a module with 2 FXO ports to terminate two analog PSTN(POTS) lines.

It can be used in MyPBX SOHO, MyPBX Standard, MyPBX Pro, MyPBX E1, MyPBX E1 Plus,MyPBX Enterprise and TDM800 Card.