Legend 400 GS/LS/TTR Module - Supports up to 4 central office lines that can be either loop-start or ground-start. Provides 4 system-wide touch-tone receivers and 1 power failure transfer port. Lines can be individually configured for loop-start or ground-start.
The Legend 400 GS/LS/TTR Module is compatible with all releases of the Merlin Legend system.