PLANET ICA-5250V - Manual (Page 6)

6
2.3.1 I/O Connection
Please connect the GND & DO pin to the external relay (buzzer) device.
Please connect the GND & DI pin to the external trigger device.
2.3.2 I/O PIN definition
z GND (Ground): Initial status is Low
z DO (Digital Output): 5V DC
z DI (Digital Input): Max. 50mA, 5V DC
2.4 Factory Default
If you forget your password, please follow the steps to revert back to default
value.
1. Remove the power and Ethernet cable. Press and hold the button as shown in
the picture below.