Yeastar Cards-Yst-O2 Yeastar O2 Module (2FXO) YST-O2

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.