User Selectable 55 tone capability – No additional tone modules needed
Captive Components
Centralized programmable tone selection
System-wide priority tone selection
RS485 models available
24V DC battery backup terminals
Short Circuit protected
20 sec. of field recorded Voice (5540MV)
Built in Presignal tone option on first message location (5540MV)
Voice paging (5540MP)
NEMA Type 3R and IP44 rated
UL listed for Class I, Div. 2, Groups A, B, C and D; Class II, Div.2, Groups F and G; and Class III hazardous locations