Yeastar SO Module with 1FXO+1FXS. The Yeastar SO Module is compatible with MyPBX series and S-Series PBX and has a unique PSTN Fallback Function enabling you to make/receive calls even when system powers down.
A module with 1 FXS port and 1 FXO port. Unique PSTN Fallback Function! Make/receive calls even during a system power break down. It can be used in MyPBX SOHO, MyPBX Standard, MyPBX Pro, MyPBX E1, MyPBX E1 Plus, MyPBX Enterprise and TDM800 Card.
Specifications Port 1 FXO RJ11 Port + 1 FXS RJ11 FXO Port Supported Model S20, S50, S100, S300 FXO Ring Frequency Detection 15~50 Hz FXS Ring Frequency 25 Hz Termination PSTN lines and Analog Telephone / Fax Machine Ring Voltage 85V Failover Support Echo Cancellation Support Terminating Impedance Option 600 Ohm
