2N® Lift8 Audio Unit – Shaft (918612E) Technical Specifications Brand: 2N® Part Number: 918612E Function: Audio unit for emergency and maintenance communication from lift shaft bottoms, cabin roofs, or under cabin floors Installation: Designed for wall mounting in elevator shafts using included plugs and screws; connects to 2N® Lift8 Central Unit via two-wire bus; housed in a durable enclosure suitable for harsh environments Compatibility: Compatible with 2N® Lift8 systems; supports up to 6 audio units per shaft via 2N® Lift8 Splitter; integrates with 2N® Elevator Center for remote monitoring Control: Features a single ALARM button to initiate calls to programmed numbers; includes integrated microphone and speaker with adjustable volume to prevent feedback; supports PCMU, PCMA, G.711, L16, G.722, and G.729 audio codecs Integration: Powered via two-wire bus; configurable via 2N® Service Tool or web interface; complies with EN 81-28 and EN 81-70 standards; suitable for maintenance and emergency communication in lift shafts