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In the LAN socket, there are two LEDs embedded:
LAN LED (green color)
This LED will be flashing while network accessing via Ethernet.
Power LED (orange color)
This LED is used to indicate whether DC power is on or not.
RS485 &
DI/DO
MIC in
Line out
Power Jack
RJ45
Reset Button
2. RS-485:
Connect to a local keyboard controller.
DI/DO:
Connect to sensor in and alarm out devices.
Cable for I/O connectors:
Name
Cable Color
Function
DC 12V
Brown/White
DC 12V (50mA maximum)
GND
Blue/White
GND
D+
Purple/White
RS485 data +
D-
Gray
RS485 data -
DI
Green/White
Digital signal input
DO
Orange/White
Digital signal output
3. Reset Button
This button is used to restore the all factory default settings. Sometimes restarting
the device will make the system back to a normal state. However, if the system
still got problems after restart, user can restore the factory default settings and
install it again.