If your network supports DHCP, it is recommended to set your MR51e panels to use Public DCHP addressing model. Procedure On the MR51e panel, set S1 (Configuration DIP switches) to 0001. Set DIP Switch 4, 3, and 2 to OFF, and DIP Switch 1 to ON. Press S2 (Reset Switch). Parent topic: Adding MR51e panels to a Mercury controller