30 Channel Voice FXS FXO POTS over E1 PCM Multiplexer
Short Description:
| E1 interface | |
| impedance | 75Ω/120Ω |
| code type | HDB3 |
| input port allowed attenuation | 0~6dBm |
| Environmental indicator | |
| working temperature | -10℃~60℃ |
| working humidity | 0%~95% |
| MTBF | >100000 hours |
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