Audio intercom LC-03A-S

for elevatorsruggedvandal-proof

This intercom system for lift car is designed to provide a direct communication between passengers seeking help and the station controller. Its hands-free intercom system. The lift unit is connected to a PABX analogue interface and is powered by the PABX. 1. Product general description 1.1 Main Product features 1. With 2 call buttons with memory. One for master button and the other one for slave button 2. with built-in 12 buttons keypad for store preset numbers. 3. with 1 call status LED, waiting to answer: light on, conversation: flashing. Finish conversation: dark 4. Hands-free communication 5. Auto-answer 6. the phone will release the line when other side hang up. 7. Lightening protection to ITU-T recommendation K.21 8. Analogue interface to PABX using 2 wire operation 9. Adjustable ringer and volume control. 10. Dry contact. During Conversation: dry contact close. Finish conversation: dry contact open. 11. 12V DC power supply