Yeastar O2 Module (2fxo) Yst-O2

Yeastar O2 ports module called O2 Module. Two analog PSTN(POTS) lines. 0.05 lbs. Normal weight 0.01 lbs. Dimensional air weight 0.01 lbs. Dimensional ground weight. Yeastar O2 Module is a module with 2 FXO ports to terminate two analog PSTN(POTS) lines. The O2 Module is compatible with MyPBX series and S-Series PBX.