- Analog Door Chime Box Be109741
- Analog Door Chime Box
- Selfcontained Intercom Unit Typically Used To Monitor An Entrance Door
- Buzzes All Extensions Programmed To Receive
- Requires 2pgdad Module Connected To Dsx Digital Station (16esiu) Pcb
- Dsx80/160: No Builtin Door Box Ports
- Brand: Nec Dsx Systems
