Features:
Power off both of the expander and control panel and set the DIP address on the expander before installation
Using different device addresses for expanders on MBUS
The available device address for module is from 1 to 253. The address 0,254 and 255 are not available
Power on the expander before powering on the control panel
Insure reliable ground connection for the shell of the module
MBUS is polarity-free