Audio intercom system

emergencyfor elevatorsfor railway applications

Introduction
The elevator intercom system is designed for emergency communication and maintenance in elevators and lift shafts. It is also suitable for shipping centers, bus terminals, parking facilities, tunnel construction and other industrial or infrastructure environments. Power supply: centralized DC 12V or AC 110-220V.

Applications

• Elevator emergency and maintenance communication
• Shipping centers, bus terminals and public transport hubs
• Parking garages and car park centers
• Tunnel construction and other confined or noisy worksites

Operating instructions

• Master station calling elevator phone: Pick up the master station handset, dial the elevator phone number and speak. Press * to broadcast to all elevator phones. The call ends automatically when the master station hangs up.
• Elevator phone calling master station: Press the call button or pick up the handset; the elevator phone will automatically call the master station. Both master stations will ring. The call ends when the master station hangs up.
• Master-to-master call: Pick up the handset on Master1 and dial the other master station number; Master2 will ring and you can communicate directly.

Technical specifications

• Model name: Five way intercom with Master
• Working Voltage: DC 12V
• Operating Current: approx. 300 mA
• Maximum Power Consumption: 2 W
• Noise Voltage: approx. 10 mV
• Communication Distance: approx. 2000 m
• Ringing Level: approx. 70 dB

Working conditions

• Ambient Temperature: -40 to 60°C
• Relative Humidity: 30% to 95%
• Ambient Noise: up to 60 dB
• Line type: double core line
• Wire requirement: single line resistance must not exceed 50 Ohm

Wiring requirements
All devices should be connected using the same line type; multicore parallel lines are acceptable for general installations. When routing near high-voltage power cables or in environments with strong interference, use shielded cables and maintain a separation of more than 30 cm between signal and power cables.

Certifications

• EMC: EN50121 (railway application)
• EN55022: emissions
• EN55024: immunity
• Ingress Protection: GB4208-93 IP66
• FCC
• ITU-T Recommendation K21

Packing details

• 1 pc per inner carton — size: 43.3 x 27.6 x 19.1 cm, G.W.: 4 kg
• 4 pcs per outer carton — size: 56.6 x 44.5 x 42 cm, G.W.: 20.25 kg
• Container capacity: 20GP: 3000 pcs; 40GP: 6000 pcs; 40HQ: 7000 pcs