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O2.jpg Yeastar O2 module is a module with 2 FXO ports to terminate two analog PSTN (POTS) lines. It is compatible with Yeastar S-Series VoIP PBX.
| Warranties - Returns: | |
| Money Return: | Repair - Replacement: |
| 20 days | 24 months |
| Specifications | |
| Ports | 2 RJ11 FXO Ports |
| Supported Model | S412, S20, S50, S100, S300 |
| Ring Frequency Detection | 15~50 Hz |
| Ring Voltage Detection | 30+ VRMS (depend on the FXO mode) |
| Termination | PSTN Lines |
| Echo Cancellation | Support |
| Signaling Modes | Foreign Exchange Office: 2 way connection to PRX or key system trunk. Foreign Exchange Station Defined Network: provides access to major carrier services. Private Line Automatic Ringdown (PLAR)-point-to-point unswitched connections. |
