![Resi Module- Telephone- 8-port Expansion - 633758023320 Resi Module- Telephone- 8-port Expansion - 633758023320](https://cdn11.bigcommerce.com/s-v0d2zpd70v/images/stencil/300x300/products/27295/43152/115536047__03211.1704445909.jpg?c=1)
- Telephone Module M Series
- Bogen Telephone Interface Input Module
- Loop Start Trunk Interface
- Ground Start Trunk Interface
- Page Port Interface
- Transformerisolated
- Gain/trim Control
- Output Signal Gating
- Gating Threshold And Duration Adjustments
- Variable Threshold Limiter
- 4 Levels Of Available Priority
- Can Be Muted From Higher Priority Modules
- Can Mute Lower Priority Modules
- Brand: Bogen