Bogen telephone interface input module
-Loop start or ground start trunk interfacing (requires external power supply)
-Dry loop interface to paging ports
-Audio-activated paging in dry loop
-Gain/trim control
-Limiter
-Noise gate with threshold and duration
-Mute send and receive
-4 Priority levels
-Bus assignable
-Transformer-isolated
-Screw terminal connections -BGTEL1S