2N® LiftIP Cabin Unit – TOC Mount – With Voice Alarm Station Switch (921631E) Technical Specifications Brand: 2N® LiftIP Series Part Number: 921631E Function: Audio unit for emergency communication in elevator cabins, utilizing VoIP technology for SIP-based calls; includes voice alarm station switch for connecting additional audio units Installation: Designed for mounting on top of the cabin (TOC); includes integrated microphone, speaker (1W, 16Ω, option to increase to 2.3W with 4Ω speaker), emergency button, and voice alarm station switch; dimensions 225 x 87 x 67 mm Compatibility: Compatible with 2N® LiftIP 2.0 systems; supports integration with 2N® Elevator Center for 24/7 remote monitoring and configuration; complies with EN 81-28 and EN 81-70 standards Control: Initiates emergency calls via SIP-based VoIP technology; supports PCMU, PCMA, G.711 (approx. 90 kbps), L16, G.722, and G.729 audio codecs for high-quality full-duplex audio; voice alarm station switch enables connection of additional audio units with dedicated ALARM2 call settings Integration: Supports Power over Ethernet (PoE 802.3af) or DC 10–30V for power; connects to 2N® LiftIP 2.0 via 6-pin and 10-pin interconnecting cables; compatible with IP camera integration for video monitoring; connectable to 2N® Elevator Center for immediate malfunction notifications via email or operational call