voip 8 voice over IP FXS/FXO over Ethernet gateway
Short Description:
| Environmental indicators | |
| Operating temperature | – 10 ℃ – + 60 ℃ |
| Storage temperature: | – 40 ℃ – + 85 ℃ |
| Working humidity: | 0% – 95% (no condensation) |
| MTBF | ＞ 100000 hours |
| FXO/FXS telephone indicators | |
| FXS ring voltage | 75V |
| FXO ring voltage | 35V |
| FXS ring frequency | 25Hz |
| FXO ring frequency | 17~60Hz |
| Impedance | 600Ω（pick up) |
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