User`s manual

2. Package Contents and Installation
AirLive MD-3025 User’s Manual
9
Please make sure the alarm connections are properly wired. Please refer to the pin
definition table below.
PIN SPECIFICATION
1
GPIO In #2
2
GPIO In #1
Action high voltage: 9~40 VDC
Dropout voltage: 0 VDC
3
GPIO Out Close circuit current maximum: 70mA AC or 100mA
Output resistance: 30 ohm
Open circuit voltage maximum: 240V AC or 350V DC
4
Ground (Common) GND
\
4. Audio Output: 3.5mm phone jack.
5. Audio Input: Built-in MIC.
6. MicroSD Card Slot: MicroSD Card Slot allows you to insert a memory card for
expansion of storage.
7. Reset Button: This button is used to restore all the factory default settings. Sometimes,
restarting the device will make the system back to a normal state.