Yeastar O2 Module (2FXO)
Highlights
Ports: 2 x RJ11 FXO Ports
Function: Terminates 2 analog PSTN (POTS) lines
Compatibility: S-Series (S20/S50/S100/S300/S412), P-Series (P550/P560/P570), and older MyPBX series
Signaling Modes: Foreign Exchange Office (FXO), FXS Defined Network, and Private Line Automatic Ringdown (PLAR)
Ring Frequency Detection: 15~50 Hz
Ring Voltage Detection: 30+ VRMS
Echo Cancellation: Supported
Installation: Plug-and-play module for, e.g., the S20