Up to 574 additional zones are available on the XR500 Series using DMP LCD keypad remote zone capability and zone expansion modules. The panel keypad data bus supports up to sixteen supervised device addresses with each address supporting up to four programmable expansion zones. Up to 500 zones are available using the on board LX-Bus, Model 461 Interface Adaptor with 481, 462N, 462P, 463C, 464-263C and 464-263H Interface Cards, and any combination of single, four, eight, or 16-zone expansion modules and single-zone LX-Bus™ detectors.
Note: Do not use shielded wire for LX-Bus or Keypad Bus circuits