■  ESDT400SA(-B) can be seamlessly connected to the existing analog five-party call system

■  The terminal is highly integrated, and the five-party call analog-to-digital module and the data acquisition and transmission module are integrated into one terminal

■  Support CAN, RS485, RS232 to collect elevator running data, reserve 1 dry contact input

■  Small size, support standard rail installation

Cooperate  with the four-wire analog walkie-talkie to realize the call between the car personnel and the remote maintenance personnel's mobile phone or the telephone in the duty room. The SIM card does not need to activate the call function, and it is realized based on the Internet phone

■  Up to 3 phone numbers (mobile phone or landline) can be set remotely through the cloud platform without on-site setting

■  After the car personnel press the car call button, the set telephone numbers can be dialed in turn until one of them is connected

The  terminal can analyze the alarm signal (ringing signal) of the five-party system and upload it to the platform, and a pop-up window can be prompted on the platform

■  When a person is trapped or the elevator fails, the terminal can play a comforting voice to the auxiliary machine of the car through the five-party intercom interface

■  When the passenger presses the alarm button, the terminal controls the car to play the voice prompt of "alarm signal confirmed"

■  A car sub-unit can also realize remote communication with this terminal, and there is no need to add a host computer in the machine room for the application of villa elevators

■  Elevator operation data collection and transmission (status, fault, event, statistical information, alarm bell alarm, etc.)

■  Support remote upgrade service

■  Support mobile phone APP or WeChat applet call elevator

■  ESDT400SA, comes with a SIM card, including 3 years of traffic charges and 3 years of unlimited IP call charges

■  ESDT400SA-B, without SIM card, customers can make their own, including unlimited IP calls for 3 years