2N® LiftIP Cabin Unit – COP Version – Wired (921640XE) Technical Specifications Brand: 2N® LiftIP Series Part Number: 921640XE Function: Wired audio unit for emergency communication, integrated into elevator control panel (COP) using VoIP technology for calls Installation: Designed for fixed mounting within elevator control panel; connects via cable; includes built-in microphone, speaker (1W, 16Ω, option to increase to 2.3W with 4Ω speaker), and emergency call button Compatibility: Compatible with 2N® LiftIP 2.0 systems; supports integration with 2N® Elevator Center for remote management and monitoring; complies with EN 81-28 and EN 81-70 standards Control: Initiates emergency calls using SIP-based VoIP technology; supports PCMU, PCMA, G.711, L16, G.722, and G.729 audio codecs for high-quality audio Integration: Supports Power over Ethernet (PoE 802.3af) for power and network connectivity; can be paired with 2N® LiftIP Voice Alarm Station Switch for extended functionality; compatible with IP camera integration for video monitoring; connectable to 2N® Elevator Center for 24/7 monitoring with email or call notifications on malfunction