Yeastar MyPBX SO Module (1 FXS & 1 FXO Port)Yeastar modular design allows deferent input and output channels to choose from by using different modules. Yeastar MyPBX SO Module(1 FXS & 1 FXO Port) enables the pbx system with 1 FXO Port and one FXS Port. FXO ports help the customers to connect the lines from service provider and FXS port allow the termination of Fax machines as well as analog phones .Yeastar SO Module 1FXS and 1 FXOA 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.Also Check-Yeastar MyPBX S Series Telephone System
