System Manual

Terminal 1: power port：From left to right: GND ,power(12V) .
Terminal 2:Doorbell bus interface: From left to right: 12V ,GND,NC,DATA.
Terminal 3:RS485 port：From left to right:485A ,485B
Terminal 4: Security and serial debugging interface：From left to right: F1,F2，TX,
RX,GND Terminal 5: Ethernet interface：Connecting LAN Switches, For visual
intercom data communication.
Terminal 6: Usb interface.
Terminal 7: DC power port，Standard 12V DC ports are reserved.
3、Technical parameters
working voltage
AC220V/50HZ
Working Power
≤6W
Working humidity
20%~90%
Working
temperatu
re
-20~50℃
Load power
loop1≤ 660W
loop2≤ 220W
loop3≤ 220W
Wireless protocol
Zigbee
Screen
4-inch color LED
screen
WiReless
Frequency
2.4GHz ISM
Screen definition
480*480
Touch way
Capacitive touch
screen
CPU
SigmaStar A7
CPU basic
frequency 1.2GHz
FLASH
512M
picture format
JPEG、BMP
Language support
Support multi-
language