2-WIRE DSP INTERCOM MODULES Digital intercom modules with DSP-technology for hands free speech in OpenDuplex®. Used in situations where stations are permanently mounted and special requirements to the station are made. The digital construction allows line-saving
ET 811A Intercom module supplied as a build-in kit for building of digital master stations, with large, illuminated graphic display for caller identification and message indication. Includes full keypad, loudspeaker and microphone. Connection possibility for headset, headphones or gooseneck microphone, one input for floating contacts, one open collector output, possibility for later installation of a relay. Typical applications: Mounting in control panels/desks. Electret microphone; Power supply via Intercom Server (optional: external floating supply for greater line length); built-in Class “D” amplifier with 2.5 W (1.5 W output power with supplied loudspeaker resp. 2.5 W with 4 Ωs loudspeaker); 8 Ωs loudspeaker with special membrane type for optimal sound quality; connection possibility for external loudspeaker. ain print: W 79 mm, H 173 mm, D 18 mm M 450 g Loudspeaker print: W 58 mm, H 83 mm, D 35 mm
ET 808A Intercom module for building customised master stations and substations. Ready for connection of a keypad with 18 keys or three single buttons, a loudspeaker, a microphone, a headset or handset, and the supplied call status LED. Line input for audio feed (e.g. music, radio conference, etc.). Power supply via Intercom Server (option: external floating power supply for longer cable lengths or for loudspeakers with less than 8 Ωs resistance); 2.5 W Class "D" amplifier (2.5 W output when using 4 Ω loudspeaker, 1.5 W when using 8 Ω loudspeaker); 3 inputs for floating contacts and 2 relay outputs (switching contacts);. Optional: I/O expansion with expansion board EB2E2AHE, providing 2 additional inputs for floating contacts and 2 relay outputs. ET 808A
Intercom Module with weatherproof build-in electret microphone MIC 480
ET 808AME
Intercom Module without microphone
W 130 mm, H 65 mm, D 24 mm
200 g
ET 862A Intercom Module in rugged installation enclosure with integrated electret microphone, loudspeaker and multi-functional LED. Supports optional connection of a keypad (12-button matrix) or up to 12 call buttons. Power supply via Intercom Server (external floating power supply for longer cable lengths available as an option); 2.5 W Class “D” amplifier (1.5 W output when using built-in 8 Ω loudspeaker); Loudspeaker with special membrane for optimum speech quality; 1 input for floating contact, and 1 relay output. Optional: I/O expansion with expansion board EB2E2AHE, providing 2 additional inputs for floating contacts and 2 relay outputs. W 109 mm, H 87,5 mm, D 40 mm
195 g
ET 870A | ET 871A Intercom module in durable installation housing with weatherproof build-in electret microphone MIC 480 and integrated multi-functional LED. Supports optional connection of up to 2 call buttons. Power supply via Intercom Server (option: external floating power supply for longer cable lengths or for loudspeakers with less than 8 Ωs resistance); 2.5 W Class “D” amplifier (1.5 W output when using 8 Ω loudspeaker, 2.5 W when using 4 Ω loudspeaker); 1 input for floating contact, and 1 relay output. Optional: I/O expansion with expansion board EB2E2AHE, providing 2 additional inputs for floating contacts and 2 relay outputs. ET 870A
Intercom Module without loudspeaker, with connection port for external loudspeaker
ET 871A
Intercom module with built-in 8 Ω loudspeaker
W 109 mm, H 87,5 mm, D 40 mm
60 | Intercom Terminals |
ET 870A 205 g, ET 871A 220 g
cabling. The DSP-technology enables a host of additional features, such as loudspeaker/microphone function tests or Audio-Monitoring. New features can easily be added in the future via software update.