Bogen Telephone Module M Series, Part# TEL1S impedance adapter and constant current type battery

and constant current type battery feeding (25mA / -28Vdc)

Multiple ring tones facilitate personalization

Iy has a clear indication of voltage detection with both audible and visual indications

7-12mm Lens

Bogen Telephone Module M Series, Part# TEL1S impedance adapter and constant current type batteryThe quality Bogen TEL1S Telephone Module M Series supports different signal source requirements, including the ability to interface to balanced and unbalanced high and low level inputs, stereo or mono, telco systems, and microphones. Dry loop interface to paging ports. Audio activated paging in dry loop. Features: Telephone Module M Series Bogen Telephone Interface Input Module Loop Start Trunk Interface Ground Start Trunk Interface Page Port