Quick Installation Guide

2
motherboard.
Terminal block definition:
GPIO
J17: 5 pins
J18: 5 pins
J15: 2 pins
Pin No.
Function
Function
Function
Pin 1
AGND
GND
DC 12V
Pin 2
Audio Out
Alarm In 1
GND
Pin 3
Ext MIC In
Alarm In 2
Pin 4
RS485 D+
Alarm Out
P Pin 5 Pin 5
RS485 D-
GND