AVer E-I/O BOX - Manual (Page 5)

5
Making the Connection
E-I/O Box supports serial port to connect to DVR system. If the distance between E-I/O Box and
DVR system is more than 10 meter, we suggest connecting the DVR system through RS-485.
Just follow the illustrated connection below:
Connecting to Surveillance System
i
Before connect E-I/O Box to DVR system, please remember to plug terminal block
into RS-485, senor, and relay interface.
Make sure DIP switch no.3 is ON and no.4 is OFF.
Make sure DIP switch no.3 is OFF and no.4 is ON.