Architects' And Engineers' Specifications
The digital-dial intercom entrance panel(s) shall be the Alpha Communications® / Elvox (Digi-Bus™) 944 series, or approved equal. Electronic panel(s) shall be in natural (clear) anodized aluminum finish complete with microphone and loudspeaker, 12-button keypad, 4-line backlit LCD display indicating instructions and selected names, UP and DOWN scroll buttons, Call and Reset buttons, and protective rain hood. The built-in electronic circuit shall be on interchangeable cards and shall contain external and internal volume controls. Unit shall be full surface mount type and shall require no flush back box or housing. Unit shall require the model 950 field programming unit.
Contractor shall install as per manufacturers instructions and shall observe all local and national electrical codes.